1
|
Montaser-Kouhsari L, Nicholas J, Gerraty RT, Shohamy D. Two routes to value-based decisions in Parkinson's disease: differentiating incremental reinforcement learning from episodic memory. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.03.592414. [PMID: 38746345 PMCID: PMC11092770 DOI: 10.1101/2024.05.03.592414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Patients with Parkinson's disease are impaired at incremental reward-based learning. It is typically assumed that this impairment reflects a loss of striatal dopamine. However, many open questions remain about the nature of reward-based learning deficits in Parkinson's. Recent studies have found that a combination of different cognitive and computational strategies contribute even to simple reward-based learning tasks, suggesting a possible role for episodic memory. These findings raise critical questions about how incremental learning and episodic memory interact to support learning from past experience and what their relative contributions are to impaired decision-making in Parkinson's disease. Here we addressed these questions by asking patients with Parkinson's disease (n=26) both on and off their dopamine replacement medication and age- and education-matched healthy controls (n=26) to complete a task designed to isolate the contributions of incremental learning and episodic memory to reward-based learning and decision-making. We found that Parkinson's patients performed as well as healthy controls when using episodic memory, but were impaired at incremental reward-based learning. Dopamine replacement medication remediated this deficit while enhancing subsequent episodic memory for the value of motivationally relevant stimuli. These results demonstrate that Parkinson's patients are impaired at learning about reward from trial-and-error when episodic memory is properly controlled for, and that learning based on the value of single experiences remains intact in patients with Parkinson's disease.
Collapse
|
2
|
Reekes TH, Higginson CI, Sigvardt KA, King DS, Levine D, Wheelock VL, Disbrow EA. Sex differences in Parkinson disease-associated episodic memory and processing speed deficits. J Int Neuropsychol Soc 2023; 29:813-820. [PMID: 36971238 DOI: 10.1017/s1355617723000097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
OBJECTIVES This study aims to address a gap in the data on cognitive sex differences in persons living with Parkinson disease (PD). There is some evidence that cognitive dysfunction is more severe in male PD, however data on episodic memory and processing speed is incomplete. METHODS One hundred and sixty-seven individuals with a diagnosis of PD were included in this study. Fifty-six of those individuals identified as female. The California Verbal Learning Test 1st edition and the Wechsler Memory Scale 3rd edition were used to evaluate verbal and visuospatial episodic memory and the Wechsler Adult Intelligence Scale 3rd edition was used to evaluate processing speed. Multivariate analysis of covariance was used to identify sex-specific differences across groups. RESULTS Our results show that males with PD performed significantly worse than females in verbal and visuospatial recall as well as a trend for the processing speed task of coding. CONCLUSIONS Our finding of superior performance among females with PD in verbal episodic memory is consistent with reports in both healthy and PD individuals; however, females outperforming males in measures of visuospatial episodic memory is unique to PD. Cognitive deficits preferentially affecting males appear to be associated with frontal lobe-related function. Therefore, males may represent a disease subgroup more susceptible to disease mechanisms affecting frontal lobe deterioration and cognitive disturbances in PD.
Collapse
Affiliation(s)
- Tyler H Reekes
- Department of Pharmacology, Toxicology, and Neuroscience, Louisiana State University Health Sciences Center, Shreveport, LA, USA
- LSU Health Shreveport Center for Brain Health, Shreveport, LA, USA
| | | | - Karen A Sigvardt
- Department of Neurology, University of California Davis, Davis, CA, USA
| | - David S King
- Clinical Functional Neuroscience Department, Kaiser Permanente Northern California, Sacramento, CA, USA
| | - Dawn Levine
- Clinical Functional Neuroscience Department, Kaiser Permanente Northern California, Sacramento, CA, USA
| | - Vicki L Wheelock
- Department of Neurology, University of California Davis, Davis, CA, USA
- Clinical Functional Neuroscience Department, Kaiser Permanente Northern California, Sacramento, CA, USA
| | - Elizabeth A Disbrow
- Department of Pharmacology, Toxicology, and Neuroscience, Louisiana State University Health Sciences Center, Shreveport, LA, USA
- LSU Health Shreveport Center for Brain Health, Shreveport, LA, USA
- Department of Neurology, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| |
Collapse
|
3
|
Vehar JV, Rahimpour S, Moretti P, Kassavetis P, Alshaikh J, Rolston J, Duff K. Recognition subtests of the Repeatable Battery for the Assessment of Neuropsychological Status: evidence for a cortical vs. subcortical distinction. J Clin Exp Neuropsychol 2023; 45:786-797. [PMID: 37728425 PMCID: PMC10922284 DOI: 10.1080/13803395.2023.2259044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 09/10/2023] [Indexed: 09/21/2023]
Abstract
INTRODUCTION Within clinical neuropsychology, a classic diagnostic distinction is made between cortical and subcortical disorders, especially based on their memory profiles. Typically, this is based on the comparison of recall and recognition trials, where individuals with cortical conditions do not tend to benefit (i.e., score well) on recognition trials and individuals with subcortical conditions do. Although the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) is a widely used brief cognitive battery, there is a lack of evidence to support this measure's utility in distinguishing between the memory profiles of these conditions. METHOD Thirty-six mild Alzheimer's disease (AD), 55 Parkinson's disease (PD), and 105 essential tremor (ET) participants (N = 196) were administered the RBANS with additional Story and Figure Recognition subtests. Group differences on recall and recognition scores (Total Correct, Hits or True Positives, False Positive Errors, and discriminability index) were examined across the three groups, while controlling for the influence of age and gender. RESULTS As expected, individuals with AD had poorer recognition scores compared to the other clinical groups across tasks (all p-values < .05), while the ET sample largely performed comparably to the PD sample. With the exception of comparable Figure Recognition and Recall in the PD sample, all groups exhibited significantly greater recognition Hit performance compared to Recall (all p-values < .05). CONCLUSIONS The group differences in performance across RBANS recognition subtests suggest support for traditional "cortical" and "subcortical" profiles. However, all groups, including the mild AD sample, demonstrated a benefit from recognition cues compared to free recall. Overall, these findings support the inclusion of the newly developed Story and Figure Recognition subtests in future clinical practice and research endeavors.
Collapse
Affiliation(s)
- Julia V Vehar
- Department of Psychology, University of Utah, Salt Lake City, Utah, USA
| | - Shervin Rahimpour
- Department of Neurosurgery, University of Utah, Salt Lake City, Utah, USA
| | - Paolo Moretti
- Department of Neurology, University of Utah, Salt Lake City, Utah, USA
- Department of Neurology George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah, USA
| | | | - Jumana Alshaikh
- Department of Neurology, University of Utah, Salt Lake City, Utah, USA
| | - John Rolston
- Department of Neurosurgery, Brigham & Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Kevin Duff
- Department of Neurology, University of Utah, Salt Lake City, Utah, USA
- Department of Neurology, Oregon Health & Science University, Portland, Oregon, USA
| |
Collapse
|
4
|
Loring DW, Saurman JL, John SE, Bowden SC, Lah JJ, Goldstein FC. The Rey Auditory Verbal Learning Test: Cross-validation of Mayo Normative Studies (MNS) demographically corrected norms with confidence interval estimates. J Int Neuropsychol Soc 2023; 29:397-405. [PMID: 35481552 PMCID: PMC9844155 DOI: 10.1017/s1355617722000248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
OBJECTIVE The Mayo Normative Studies (MNS) represents a robust dataset that provides demographically corrected norms for the Rey Auditory Verbal Learning Test. We report MNS application to an independent cohort to evaluate whether MNS norms accurately adjust for age, sex, and education differences in subjects from a different geographic region of the country. As secondary goals, we examined item-level patterns, recognition benefit compared to delayed free recall, and derived Auditory Verbal Learning Test (AVLT) confidence intervals (CIs) to facilitate clinical performance characterization. METHOD Participants from the Emory Healthy Brain Study (463 women, 200 men) who were administered the AVLT were analyzed to demonstrate expected demographic group differences. AVLT scores were transformed using MNS normative correction to characterize the success of MNS demographic adjustment. RESULTS Expected demographic effects were observed across all primary raw AVLT scores. Depending on sample size, MNS normative adjustment either eliminated or minimized all observed statistically significant AVLT differences. Estimated CIs yielded broad CI ranges exceeding the standard deviation of each measure. The recognition performance benefit across age ranged from 2.7 words (SD = 2.3) in the 50-54-year-old group to 4.7 words (SD = 2.7) in the 70-75-year-old group. CONCLUSIONS These findings demonstrate generalizability of MNS normative correction to an independent sample from a different geographic region, with demographic adjusted performance differences close to overall performance levels near the expected value of T = 50. A large recognition performance benefit is commonly observed in the normal aging process and by itself does not necessarily suggest a pathological retrieval deficit.
Collapse
Affiliation(s)
- David W. Loring
- Department of Neurology, Emory University, School of Medicine, Atlanta, USA
- Department of Pediatrics, Emory University, School of Medicine, Atlanta, USA
| | - Jessica L. Saurman
- Department of Neurology, Emory University, School of Medicine, Atlanta, USA
| | - Samantha E. John
- Department of Brain Health, University of Nevada, Las Vegas, USA
| | - Stephen C. Bowden
- Melbourne School of Psychological Sciences, University of Melbourne, Australia
| | - James J. Lah
- Department of Neurology, Emory University, School of Medicine, Atlanta, USA
| | | |
Collapse
|
5
|
González-Usigli HA, Ortiz GG, Charles-Niño C, Mireles-Ramírez MA, Pacheco-Moisés FP, Torres-Mendoza BMDG, Hernández-Cruz JDJ, Delgado-Lara DLDC, Ramírez-Jirano LJ. Neurocognitive Psychiatric and Neuropsychological Alterations in Parkinson's Disease: A Basic and Clinical Approach. Brain Sci 2023; 13:508. [PMID: 36979318 PMCID: PMC10046896 DOI: 10.3390/brainsci13030508] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/07/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
The main histopathological hallmarks of Parkinson's disease (PD) are the degeneration of the dopaminergic neurons of the substantia nigra pars compacta and the loss of neuromelanin as a consequence of decreased dopamine synthesis. The destruction of the striatal dopaminergic pathway and blocking of striatal dopamine receptors cause motor deficits in humans and experimental animal models induced by some environmental agents. In addition, neuropsychiatric symptoms such as mood and anxiety disorders, hallucinations, psychosis, cognitive impairment, and dementia are common in PD. These alterations may precede the appearance of motor symptoms and are correlated with neurochemical and structural changes in the brain. This paper reviews the most crucial pathophysiology of neuropsychiatric alterations in PD. It is worth noting that PD patients have global task learning deficits, and cognitive functions are compromised in a way is associated with hypoactivation within the striatum, anterior cingulate cortex, and inferior frontal sulcus regions. An appropriate and extensive neuropsychological screening battery in PD must accurately assess at least five cognitive domains with some tests for each cognitive domain. This neuropsychological screening should consider the pathophysiological and clinical heterogeneity of cognitive dysfunction in PD.
Collapse
Affiliation(s)
- Héctor Alberto González-Usigli
- Department of Neurology, Clinic of Movements Disorders, High Specialty Medical Unit, Western National Medical Center of the Mexican Institute of Social Security, Guadalajara 44340, Mexico
| | - Genaro Gabriel Ortiz
- Department of Neurology, Clinic of Movements Disorders, High Specialty Medical Unit, Western National Medical Center of the Mexican Institute of Social Security, Guadalajara 44340, Mexico
- Department of Philosophical and Methodological Disciplines, University Center of Health Sciences, University of Guadalajara, Guadalajara 44340, Mexico
| | - Claudia Charles-Niño
- Department of Microbiology, University Center of Health Sciences, University of Guadalajara, Guadalajara 44340, Mexico
| | - Mario Alberto Mireles-Ramírez
- Department of Neurology, Clinic of Movements Disorders, High Specialty Medical Unit, Western National Medical Center of the Mexican Institute of Social Security, Guadalajara 44340, Mexico
| | - Fermín Paul Pacheco-Moisés
- Department of Chemistry, University Center of Exact Sciences and Engineering, University of Guadalajara, Guadalajara 44430, Mexico
| | - Blanca Miriam de Guadalupe Torres-Mendoza
- Department of Philosophical and Methodological Disciplines, University Center of Health Sciences, University of Guadalajara, Guadalajara 44340, Mexico
- Division of Neurosciences, Western Biomedical Research Center, Mexican Institute of Social Security, Guadalajara 44340, Mexico
| | - José de Jesús Hernández-Cruz
- Department of Philosophical and Methodological Disciplines, University Center of Health Sciences, University of Guadalajara, Guadalajara 44340, Mexico
| | | | - Luis Javier Ramírez-Jirano
- Division of Neurosciences, Western Biomedical Research Center, Mexican Institute of Social Security, Guadalajara 44340, Mexico
| |
Collapse
|
6
|
Pinizzotto CC, Patwardhan A, Aldarondo D, Kritzer MF. Task-specific effects of biological sex and sex hormones on object recognition memories in a 6-hydroxydopamine-lesion model of Parkinson's disease in adult male and female rats. Horm Behav 2022; 144:105206. [PMID: 35653829 DOI: 10.1016/j.yhbeh.2022.105206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 05/19/2022] [Accepted: 05/21/2022] [Indexed: 01/13/2023]
Abstract
Many patients with Parkinson's disease (PD) experience cognitive or memory impairments with few therapeutic options available to mitigate them. This has fueled interest in determining how factors including sex and sex hormones modulate higher order function in this disease. The objective of this study was to use the Novel Object Recognition (NOR) and Object-in-Place (OiP) paradigms to compare the effects of a bilateral neostriatal 6-hydroxydopamine (6-OHDA) lesion model of PD in gonadally intact male and female rats, in orchidectomized male rats and in orchidectomized males supplemented with 17β-estradiol or testosterone propionate on measures of recognition memory similar to those at risk in PD. These studies showed that 6-ODHA lesions impaired discrimination in both tasks in males but not females. Further, 6-OHDA lesions disrupted NOR performance similarly in all males regardless of whether they were gonadally intact, orchidectomized or hormone-supplemented. In contrast, OiP performance was disrupted in males that were orchidectomized or 6-OHDA-lesioned but was spared in orchidectomized and orchidectomized, 6-OHDA lesioned males supplemented with 17β-estradiol. The distinct effects that sex and/or sex hormones have on 6-OHDA lesion-induced NOR vs. OiP deficits identified here also differ from corresponding impacts recently described for 6-OHDA lesion-induced deficits in spatial working memory and episodic memory. Together, the collective data provide strong evidence for effects of sex and sex hormones on cognition and memory in PD as being behavioral task and behavioral domain specific. This specificity could explain why a cohesive clinical picture of endocrine impacts on higher order function in PD has remained elusive.
Collapse
Affiliation(s)
- Claudia C Pinizzotto
- Department of Neurobiology and Behavior, Stony Brook University, Stony Brook, New York 11794, USA.
| | - Aishwarya Patwardhan
- Department of Neurobiology and Behavior, Stony Brook University, Stony Brook, New York 11794, USA.
| | - Daniel Aldarondo
- Department of Neurobiology and Behavior, Stony Brook University, Stony Brook, New York 11794, USA.
| | - Mary F Kritzer
- Department of Neurobiology and Behavior, Stony Brook University, Stony Brook, New York 11794, USA.
| |
Collapse
|
7
|
Montaser-Kouhsari L, Young CB, Poston KL. Neuroimaging approaches to cognition in Parkinson's disease. PROGRESS IN BRAIN RESEARCH 2022; 269:257-286. [PMID: 35248197 DOI: 10.1016/bs.pbr.2022.01.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
While direct visualization of Lewy body accumulation within the brain is not yet possible in living Parkinson's disease patients, brain imaging studies offer insights into how the buildup of Lewy body pathology impacts different regions of the brain. Unlike biological biomarkers and purely behavioral research, these brain imaging studies therefore offer a unique opportunity to relate brain localization to cognitive function and dysfunction in living patients. Magnetic resonance imaging studies can reveal physical changes in brain structure as they relate to different cognitive domains and task specific impairments. Functional imaging studies use a combination of task and resting state magnetic resonance imaging, as well as positron emission tomography and single photon emission computed tomography, and can be used to determine changes in blood flow, neuronal activation and neurochemical changes in the brain associated with PD cognition and cognitive impairments. Other unique advantages to brain imaging studies are the ability to monitor changes in brain structure and function longitudinally as patients progress and the ability to study changes in brain function when patients are exposed to different pharmacological manipulations. This is particularly true when assessing the effects of dopaminergic replacement therapy on cognitive function in Parkinson's disease patients. Together, this chapter will describe imaging studies that have helped identify structural and functional brain changes associated with cognition, cognitive impairment, and dementia in Parkinson's disease.
Collapse
Affiliation(s)
- Leila Montaser-Kouhsari
- Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, United States
| | - Christina B Young
- Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, United States
| | - Kathleen L Poston
- Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, United States; Department of Neurosurgery, Stanford University, Stanford, CA, United States.
| |
Collapse
|
8
|
Duff K, Suhrie KR, Dalley BCA, Porter SM, Dixon AM. Recognition subtests for the Repeatable Battery for the Assessment of Neuropsychological Status: Preliminary data in cognitively intact older adults, amnestic Mild Cognitive Impairment, and Alzheimer's disease. Clin Neuropsychol 2021; 35:1415-1425. [PMID: 32883179 PMCID: PMC7925698 DOI: 10.1080/13854046.2020.1812724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/13/2020] [Accepted: 08/14/2020] [Indexed: 10/23/2022]
Abstract
Objective: The Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) has three delayed recall subtests (list, story, figure), but only one delayed recognition subtest (list). Since comparisons between delayed recall and recognition can be useful in clinical neuropsychology, the current study sought to develop and preliminarily examine two proposed new subtests for Form A of the RBANS, Story Recognition and Figure Recognition. Method: A sample of older adults who were cognitively intact (n = 48) or classified with amnestic Mild Cognitive Impairment (MCI, n = 29) or mild Alzheimer's disease (AD, n = 24) were administered the RBANS and the two new recognition subtests. Results: In the primary analyses, cognitively intact participants performed significantly better than the two memory-impaired groups on all twelve scores (one recall and three recognition [total, hits, false positive errors] for the list, story, and figure). For amnestic MCI and AD participants, they showed statistically comparable scores on 7 of the 12 variables, where those with MCI performed better than those with AD on the other five scores. Across the three groups, effect sizes were large (e.g., Cohen's d = 1.0-2.9). In secondary analyses, all of the List Recall and Recognition scores significantly correlated with one another, and this pattern was observed for all of the Story Recall and Recognition scores and most of the Figure Recall and Recognition scores. Conclusions: Although preliminary, these new recognition scores appear to provide useful information and may improve the sensitivity of the RBANS in identifying cortical/subcortical profiles in clinical and research settings.
Collapse
Affiliation(s)
- Kevin Duff
- Center for Alzheimer's Care, Imaging and Research, Department of Neurology, University of Utah, Salt Lake City, UT, USA
| | - Kayla R Suhrie
- Center for Alzheimer's Care, Imaging and Research, Department of Neurology, University of Utah, Salt Lake City, UT, USA
| | - Bonnie C A Dalley
- Center for Alzheimer's Care, Imaging and Research, Department of Neurology, University of Utah, Salt Lake City, UT, USA
| | - Sariah M Porter
- Center for Alzheimer's Care, Imaging and Research, Department of Neurology, University of Utah, Salt Lake City, UT, USA
| | - Ava M Dixon
- Center for Alzheimer's Care, Imaging and Research, Department of Neurology, University of Utah, Salt Lake City, UT, USA
| |
Collapse
|
9
|
Shi L, Yuan T, Fan S, Zheng J, Diao Y, Qin G, Liu D, Zhu G, Qin K, Liu H, Zhang H, Yang A, Meng F, Zhang J. Comparison of cognitive performance between patients with Parkinson's disease and dystonia using an intraoperative recognition memory test. Sci Rep 2021; 11:20724. [PMID: 34671073 PMCID: PMC8528828 DOI: 10.1038/s41598-021-99317-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 09/21/2021] [Indexed: 11/09/2022] Open
Abstract
Neuroscientific studies on the function of the basal ganglia often examine the behavioral performance of patients with movement disorders, such as Parkinson’s disease (PD) and dystonia (DT), while simultaneously examining the underlying electrophysiological activity during deep brain stimulation surgery. Nevertheless, to date, there have been no studies comparing the cognitive performance of PD and DT patients during surgery. In this study, we assessed the memory function of PD and DT patients with the Montreal Cognitive Assessment (MoCA) and the Mini-Mental State Examination (MMSE). We also tested their cognitive performance during the surgery using a continuous recognition memory test. The results of the MoCA and MMSE failed to reveal significant differences between the PD and DT patients. Additionally, no significant difference was detected by the intraoperative memory test between the PD and DT patients. The intraoperative memory test scores were highly correlated with the MMSE scores and MoCA scores. Our data suggest that DT patients perform similarly to PD patients in cognitive tests during surgery, and intraoperative memory tests can be used as a quick memory assessment tool during surgery.
Collapse
Affiliation(s)
- Lin Shi
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
| | - Tianshuo Yuan
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Shiying Fan
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jie Zheng
- Department of Ophthalmology, Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Yu Diao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Guofan Qin
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Defeng Liu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Guanyu Zhu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Kai Qin
- Alpha Omega Engineering Ltd., Nazareth, Israel
| | - Huanguang Liu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Hua Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Anchao Yang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Fangang Meng
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China.
| | - Jianguo Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
| |
Collapse
|
10
|
Milán-Tomás Á, Fernández-Matarrubia M, Rodríguez-Oroz MC. Lewy Body Dementias: A Coin with Two Sides? Behav Sci (Basel) 2021; 11:94. [PMID: 34206456 PMCID: PMC8301188 DOI: 10.3390/bs11070094] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/12/2021] [Accepted: 06/15/2021] [Indexed: 02/07/2023] Open
Abstract
Lewy body dementias (LBDs) consist of dementia with Lewy bodies (DLB) and Parkinson's disease dementia (PDD), which are clinically similar syndromes that share neuropathological findings with widespread cortical Lewy body deposition, often with a variable degree of concomitant Alzheimer pathology. The objective of this article is to provide an overview of the neuropathological and clinical features, current diagnostic criteria, biomarkers, and management of LBD. Literature research was performed using the PubMed database, and the most pertinent articles were read and are discussed in this paper. The diagnostic criteria for DLB have recently been updated, with the addition of indicative and supportive biomarker information. The time interval of dementia onset relative to parkinsonism remains the major distinction between DLB and PDD, underpinning controversy about whether they are the same illness in a different spectrum of the disease or two separate neurodegenerative disorders. The treatment for LBD is only symptomatic, but the expected progression and prognosis differ between the two entities. Diagnosis in prodromal stages should be of the utmost importance, because implementing early treatment might change the course of the illness if disease-modifying therapies are developed in the future. Thus, the identification of novel biomarkers constitutes an area of active research, with a special focus on α-synuclein markers.
Collapse
Affiliation(s)
- Ángela Milán-Tomás
- Department of Neurology, Clínica Universidad de Navarra, 28027 Madrid, Spain;
| | - Marta Fernández-Matarrubia
- Department of Neurology, Clínica Universidad de Navarra, 31008 Pamplona, Spain;
- IdiSNA, Navarra Institute for Health Research, 31008 Pamplona, Spain
| | - María Cruz Rodríguez-Oroz
- Department of Neurology, Clínica Universidad de Navarra, 28027 Madrid, Spain;
- Department of Neurology, Clínica Universidad de Navarra, 31008 Pamplona, Spain;
- IdiSNA, Navarra Institute for Health Research, 31008 Pamplona, Spain
- CIMA, Center of Applied Medical Research, Universidad de Navarra, Neurosciences Program, 31008 Pamplona, Spain
| |
Collapse
|
11
|
Plechatá A, Nekovářová T, Fajnerová I. What is the future for immersive virtual reality in memory rehabilitation? A systematic review. NeuroRehabilitation 2021; 48:389-412. [PMID: 33780377 DOI: 10.3233/nre-201534] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND A growing interest in non-pharmacological approaches aimed at cognitive rehabilitation and cognitive enhancement pointed towards the application of new technologies. The complex virtual reality (VR) presented using immersive devices has been considered a promising approach. OBJECTIVE The article provides a systematic review of studies aimed at the efficacy of VR-based rehabilitation. First, we shortly summarize literature relevant to the role of immersion in memory assessment and rehabilitation. METHODS We searched Web of Science, ScienceDirect, and PubMed with the search terms "memory rehabilitation", "virtual reality", "memory deficit". Only original studies investigating the efficacy of complex three-dimensional VR in rehabilitation and reporting specific memory output measures were included. RESULTS We identified 412 citations, of which 21 met our inclusion criteria. We calculated appropriate effect sizes for 10 studies including control groups and providing descriptive data. The effect sizes range from large to small, or no effect of memory rehabilitation was present, depending on the control condition applied. Summarized studies with missing control groups point out to potential positive effects of VR but do not allow any generalization. CONCLUSIONS Even though there are some theoretical advantages of immersive VE over non-immersive technology, there is not enough evidence yet to draw any conclusions.
Collapse
Affiliation(s)
- Adéla Plechatá
- National Institute of Mental Health, Klecany, Czechia
- Third Faculty of Medicine, Charles University, Prague, Czechia
| | | | | |
Collapse
|
12
|
Palmeri R, Lo Buono V, Bonanno L, Allone C, Drago N, Sorbera C, Cimino V, di Lorenzo G, Bramanti A, Marino S. Impaired Recognition of Facial Emotion in Patients With Parkinson Disease Under Dopamine Therapy. J Geriatr Psychiatry Neurol 2020; 33:265-271. [PMID: 31635513 DOI: 10.1177/0891988719882094] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Parkinson disease (PD) is a neurodegenerative disorder characterized by motor and nonmotor symptoms. The impaired ability to recognize facial emotion expressions represents an important nonmotor symptom. The aim of this study is to investigate the ability in recognizing facial emotion expressions in patients with PD under dopamine replacement therapy. METHODS Thirty medicated patients with PD and 15 healthy controls (HC) were enrolled. All participants performed the Ekman 60-Faces test for emotional recognition. All patients underwent a neuropsychological evaluation for global cognitive functioning, depression, and anxiety. RESULTS Patients with PD were impaired in recognizing emotions. Significant differences between PD and HC were found in Ekman 60-Faces test scores (P < .001), and in Ekman 60-Faces test subscales, in particular, sadness, fear, disgust, anger, and surprise (P < .001). CONCLUSIONS The nigrostriatal dopaminergic depletion seems to determine emotional information processing dysfunction. This relevant nonmotor symptom could have consequences in daily living reducing interactions and social behavioral competence.
Collapse
Affiliation(s)
| | | | - Lilla Bonanno
- IRCCS Centro Neurolesi "Bonino-Pulejo", Messina, Italy
| | | | - Nancy Drago
- IRCCS Centro Neurolesi "Bonino-Pulejo", Messina, Italy
| | | | | | | | | | - Silvia Marino
- IRCCS Centro Neurolesi "Bonino-Pulejo", Messina, Italy
| |
Collapse
|
13
|
Abstract
OBJECTIVES Dementia with Lewy bodies (DLB) and Parkinson's disease dementia (PDD) have substantial clinical and biological overlap, with cognitive deficits typically observed in the executive and visuospatial domains. However, the neuropsychological profiles of mild cognitive impairment (MCI) associated with these disorders are not well understood. METHODS This systematic review examined existing literature on cognition in MCI due to LB disease (MCI-LB) and PD (PD-MCI) using an electronic search of seven databases (Medline, Embase, Psychinfo, PubMed, ProQuest, Scopus, and ScienceDirect). MCI-LB results were reviewed narratively given the small number of resulting papers (n = 7). Outcome variables from PD-MCI studies (n = 13) were extracted for meta-analysis of standardised mean differences (SMD). RESULTS In MCI-LB, executive dysfunction and slowed processing speed were the most prominent impairments, while visuospatial and working memory (WM) functions were also poor. MCI-LB scored significantly lower on verbal memory tests relative to controls, but significantly higher than patients with MCI due to Alzheimer's disease. Quantitative analysis of studies in PD-MCI showed a similar profile of impairment, with the largest deficits in visuospatial function (Benton Judgement of Line Orientation, SMD g = -2.09), executive function (Trail Making Test B, SMD g = -1.65), verbal ability (Naming Tests, SMD g = -0.140), and WM (Trail Making Test A, SMD g = -1.20). In both MCI-LB and PD-MCI, verbal and visuospatial memory retrieval was impaired, while encoding and storage appeared relatively intact. CONCLUSIONS The findings of this systematic review indicate similar neuropsychological profiles in the MCI stages of DLB and PDD. Executive impairment may at least partially explain poor performance in other domains.
Collapse
|
14
|
Kormas C, Zalonis I, Evdokimidis I, Kapaki E, Potagas C. The Modality Effect on Delayed Free Recall in Non-demented Patients With Mild Parkinson's Disease Progression. Front Aging Neurosci 2019; 11:189. [PMID: 31396079 PMCID: PMC6664063 DOI: 10.3389/fnagi.2019.00189] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 07/10/2019] [Indexed: 11/13/2022] Open
Abstract
Background: The modality effect plays the central role in learning and memory functions. Retrieval failure constitutes a common memory impairment that occurs among patients with Parkinson’s disease (PD). However, little knowledge exists about the relation between modality effect and delayed recall impairment in PD. The primary goal of this study was to compare delayed free recall performance between three different memory modalities (verbal, visual, and cross visual-verbal) in a sample of non-demented patients with mild PD progression. The secondary goal was to explore the frequency of deficient performance on the basis of normative comparisons on each of the three delayed free-recall measures. Method: A total of 71 non-demented patients with mild PD progression were recruited for the administration of the Montreal Cognitive Assessment (MoCA), the Rey Auditory Verbal Learning Test (RAVLT), the Rey Osterrieth Complex Figure Test (ROCFT), and the Greek Version of Face-Name Associative Memory Examination (GR-FNAME12). Results: The percentages of deficient-performances for the three delayed free recall measures were 45.1% (32/71), 39.4% (28/71) and 31% (22/71) for the GR-FNAME12, ROFCT and RAVLT, respectively. The results indicated no significant difference between performances of the GR-FNAME12 and ROCFT, both of which were significantly lower than performance on the RAVLT. Conclusions: In conclusion, delayed free recall appears to be more severely affected in the cross visual-verbal and visual memory modalities than in verbal-memory modalities in the early phase of PD progression.
Collapse
Affiliation(s)
- Constantinos Kormas
- First Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Ioannis Zalonis
- First Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Ioannis Evdokimidis
- First Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Elisabeth Kapaki
- First Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Constantin Potagas
- First Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| |
Collapse
|
15
|
Weil RS, Hsu JK, Darby RR, Soussand L, Fox MD. Neuroimaging in Parkinson's disease dementia: connecting the dots. Brain Commun 2019; 1:fcz006. [PMID: 31608325 PMCID: PMC6777517 DOI: 10.1093/braincomms/fcz006] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 05/17/2019] [Accepted: 06/14/2019] [Indexed: 12/11/2022] Open
Abstract
Dementia is a common and devastating symptom of Parkinson's disease but the anatomical substrate remains unclear. Some evidence points towards hippocampal involvement but neuroimaging abnormalities have been reported throughout the brain and are largely inconsistent across studies. Here, we test whether these disparate neuroimaging findings for Parkinson's disease dementia localize to a common brain network. We used a literature search to identify studies reporting neuroimaging correlates of Parkinson's dementia (11 studies, 385 patients). We restricted our search to studies of brain atrophy and hypometabolism that compared Parkinson's patients with dementia to those without cognitive involvement. We used a standard coordinate-based activation likelihood estimation meta-analysis to assess for consistency in the neuroimaging findings. We then used a new approach, coordinate-based network mapping, to test whether neuroimaging findings localized to a common brain network. This approach uses resting-state functional connectivity from a large cohort of normative subjects (n = 1000) to identify the network of regions connected to a reported neuroimaging coordinate. Activation likelihood estimation meta-analysis failed to identify any brain regions consistently associated with Parkinson's dementia, showing major heterogeneity across studies. In contrast, coordinate-based network mapping found that these heterogeneous neuroimaging findings localized to a specific brain network centred on the hippocampus. Next, we tested whether this network showed symptom specificity and stage specificity by performing two further analyses. We tested symptom specificity by examining studies of Parkinson's hallucinations (9 studies, 402 patients) that are frequently co-morbid with Parkinson's dementia. We tested for stage specificity by using studies of mild cognitive impairment in Parkinson's disease (15 studies, 844 patients). Coordinate-based network mapping revealed that correlates of visual hallucinations fell within a network centred on bilateral lateral geniculate nucleus and correlates of mild cognitive impairment in Parkinson's disease fell within a network centred on posterior default mode network. In both cases, the identified networks were distinct from the hippocampal network of Parkinson's dementia. Our results link heterogeneous neuroimaging findings in Parkinson's dementia to a common network centred on the hippocampus. This finding was symptom and stage-specific, with implications for understanding Parkinson's dementia and heterogeneity of neuroimaging findings in general.
Collapse
Affiliation(s)
- Rimona S Weil
- Dementia Research Centre, UCL, London,Wellcome Centre for Human Neuroimaging, UCL, London,Berenson-Allen Center, Beth Israel Deaconess Medical Center, Harvard Medical Center, Boston, MA, USA,Correspondence to: Rimona S. Weil UCL Dementia Research Centre, 8-11 Queen Square, London WC1N 3BG UK E-mail:
| | - Joey K Hsu
- Berenson-Allen Center, Beth Israel Deaconess Medical Center, Harvard Medical Center, Boston, MA, USA
| | - Ryan R Darby
- Department of Neurology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Louis Soussand
- Berenson-Allen Center, Beth Israel Deaconess Medical Center, Harvard Medical Center, Boston, MA, USA
| | - Michael D Fox
- Berenson-Allen Center, Beth Israel Deaconess Medical Center, Harvard Medical Center, Boston, MA, USA,Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA,Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| |
Collapse
|
16
|
Clos M, Bunzeck N, Sommer T. Dopamine is a double-edged sword: dopaminergic modulation enhances memory retrieval performance but impairs metacognition. Neuropsychopharmacology 2019; 44:555-563. [PMID: 30356095 PMCID: PMC6333779 DOI: 10.1038/s41386-018-0246-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 10/09/2018] [Accepted: 10/12/2018] [Indexed: 12/30/2022]
Abstract
While memory encoding and consolidation processes have been linked with dopaminergic signaling for a long time, the role of dopamine in episodic memory retrieval remained mostly unexplored. Based on previous observations of striatal activity during memory retrieval, we used pharmacological functional magnetic resonance imaging to investigate the effects of dopamine on retrieval performance and metacognitive memory confidence in healthy humans. Dopaminergic modulation by the D2 antagonist haloperidol administered acutely during the retrieval phase improved recognition accuracy of previously learned pictures significantly and was associated with increased activity in the substantia nigra/ventral tegmental area, locus coeruleus, hippocampus, and amygdala during retrieval. In contrast, confidence for new decisions was impaired by unsystematically increased activity of the striatum across confidence levels and restricted range of responsiveness in frontostriatal networks under haloperidol. These findings offer new insights into the mechanisms underlying memory retrieval and metacognition and provide a broader perspective on the presence of memory problems in dopamine-related diseases and the treatment of memory disorders.
Collapse
Affiliation(s)
- Mareike Clos
- Department of Systems Neuroscience, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
| | - Nico Bunzeck
- 0000 0001 2180 3484grid.13648.38Department of Systems Neuroscience, University Medical Center Hamburg-Eppendorf, Hamburg, Germany ,0000 0001 0057 2672grid.4562.5Institute of Psychology I, University of Lübeck, Lübeck, Germany
| | - Tobias Sommer
- 0000 0001 2180 3484grid.13648.38Department of Systems Neuroscience, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| |
Collapse
|
17
|
Ran D, Xie B, Gan Z, Sun X, Gu H, Yang J. Melatonin attenuates hLRRK2-induced long-term memory deficit in a Drosophila model of Parkinson's disease. Biomed Rep 2018; 9:221-226. [PMID: 30271597 DOI: 10.3892/br.2018.1125] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 05/21/2018] [Indexed: 11/06/2022] Open
Abstract
As the most common genetic cause of Parkinson's disease (PD), the role of human leucine-rich repeat kinase 2 (hLRRK2) in the efficacy of PD treatment is a focus of study. Our previous study demonstrated that mushroom body (MB) expression of hLRRK2 in Drosophila could recapitulate the clinical feature of sleep disturbances observed in PD patients, and melatonin (MT) treatment could attenuate the hLRRK2-induced sleep disorders and synaptic dysfunction, suggesting the therapeutic potential of MT in PD patients carrying hLRRK2 mutations; however, no further study into the impacts on memory deficit was conducted. Therefore, in the current paper, the study of the effects of MT on hLRRK2 flies was continued, to determine its potential role in the improvement of memory deficit in PD. To achieve this, the Drosophila learning and memory phases, including short- and long-term memory, were recorded; furthermore, the effect of MT on calcium channel activity during neurotransmission was detected using electrophysiology patch clamp recordings. It was demonstrated that MT treatment reversed hLRRK2-induced long-term memory deficits in Drosophila; furthermore, MT reduced MB calcium channel activities. These findings suggest that MT may exerts therapeutic effects on the long-term memory of PD patients via calcium channel modulation, thus providing indication of its potential to maintain cognitive function in PD patients.
Collapse
Affiliation(s)
- Dongzhi Ran
- Department of Pharmacology, Chongqing Medical University, The Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, P.R. China
| | - Baogang Xie
- Department of Pharmacology, Chongqing Medical University, The Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, P.R. China
| | - Zongjie Gan
- Department of Pharmacology, Chongqing Medical University, The Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, P.R. China
| | - Xicui Sun
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD 21042, USA
| | - Huaiyu Gu
- Department of Anatomy and Neurobiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, P.R. China
| | - Junqing Yang
- Department of Pharmacology, Chongqing Medical University, The Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, P.R. China
| |
Collapse
|
18
|
Marshall CA, King KM, Kortagere S. Limitations of the rat medial forebrain lesion model to study prefrontal cortex mediated cognitive tasks in Parkinson's disease. Brain Res 2018; 1702:105-113. [PMID: 29608880 DOI: 10.1016/j.brainres.2018.03.035] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Revised: 03/28/2018] [Accepted: 03/29/2018] [Indexed: 01/08/2023]
Abstract
Parkinson's Disease (PD) is a progressive movement disorder characterized by the loss of dopaminergic neurons in the midbrain. Besides motor impairment, PD patients exhibit non-motor symptoms that negatively impact their quality of life and often manifest prior to motor deficits. One such symptom is mild cognitive impairment (PD-MCI), which is comprised of deficits in executive function such as working memory, attention, cognitive flexibility, and spatial memory. The 6-hydroxydopamine (6-OHDA) induced unilateral medial forebrain bundle (MFB) lesion animal model successfully recapitulates PD motor impairment but is also used to assess non-motor deficits. The present study utilizes a unilateral 6-OHDA induced MFB lesion rodent model to investigate prefrontal cortex (PFC)-mediated cognitive processes that are impaired in PD patients. In a test of attentional set shifting, PD rodents demonstrated deficits in simple discrimination, but not in rule reversal or extradimensional shifts. PD rodents also exhibited deficits in a temporal order memory task but had no deficits in novel/spatial object recognition or object-in-place tasks. These results reveal limitations of the 6-OHDA induced unilateral MFB lesion model to completely recapitulate PD-MCI symptoms suggesting a need for better lesion models to study PD-MCI.
Collapse
Affiliation(s)
- Courtney A Marshall
- Department of Neurobiology and Anatomy, Institute for Molecular Medicine and Infectious Disease, Drexel University College of Medicine, Philadelphia, PA 19129, United States
| | - Kirsten M King
- Department of Neurobiology and Anatomy, Institute for Molecular Medicine and Infectious Disease, Drexel University College of Medicine, Philadelphia, PA 19129, United States
| | - Sandhya Kortagere
- Department of Microbiology and Immunology, Institute for Molecular Medicine and Infectious Disease, Drexel University College of Medicine, Philadelphia, PA 19129, United States.
| |
Collapse
|
19
|
Morin RT, Midlarsky E. Treatment With Chemotherapy and Cognitive Functioning in Older Adult Cancer Survivors. Arch Phys Med Rehabil 2018; 99:257-263. [DOI: 10.1016/j.apmr.2017.06.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 05/09/2017] [Accepted: 06/13/2017] [Indexed: 01/16/2023]
|
20
|
Lucas-Jiménez O, Díez-Cirarda M, Ojeda N, Peña J, Cabrera-Zubizarreta A, Ibarretxe-Bilbao N. Verbal Memory in Parkinson's Disease: A Combined DTI and fMRI Study. JOURNAL OF PARKINSONS DISEASE 2016; 5:793-804. [PMID: 27070003 PMCID: PMC4927836 DOI: 10.3233/jpd-150623] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Background: While significant progress has been made to determine the functional role of specific gray matter areas underlying verbal memory in Parkinson’s disease (PD), very little is known about the relationship between these regions and their underlying white matter structures. Objective: The objectives of this study were (1) to investigate verbal memory, fractional anisotropy and brain activation differences between PD patients and healthy controls (HC), (2) to explore the neuroanatomical and neurofunctional correlates of verbal memory in PD, and (3) to investigate the relationship between these neuroanatomical and neurofunctional verbal memory correlates in PD. Methods: Functional magnetic resonance imaging (fMRI) while performing a verbal memory paradigm and diffusion tensor imaging data (DTI), were acquired in 37 PD patients and 15 age-, sex-, and education-matched HC. Results: PD patients showed verbal recognition memory impairment, lower fractional anisotropy in the anterior cingulate tract, and lower brain activation in the inferior orbitofrontal cortex compared to HC. Brain activation in the inferior orbitofrontal cortex correlated significantly with verbal recognition memory impairment in PD patients. In addition, a relationship between brain activation in the inferior orbitofrontal cortex and fractional anisotropy of the uncinate fasciculus was found in PD. Conclusions: These results reveal that deficits in verbal memory in PD are accompanied by functional brain activation changes, but also have specific structural correlates related to white matter microstructural integrity.
Collapse
Affiliation(s)
- Olaia Lucas-Jiménez
- Department of Methods and Experimental Psychology, Faculty of Psychology and Education, University of Deusto, Bilbao, Basque Country, Spain
| | - María Díez-Cirarda
- Department of Methods and Experimental Psychology, Faculty of Psychology and Education, University of Deusto, Bilbao, Basque Country, Spain
| | - Natalia Ojeda
- Department of Methods and Experimental Psychology, Faculty of Psychology and Education, University of Deusto, Bilbao, Basque Country, Spain
| | - Javier Peña
- Department of Methods and Experimental Psychology, Faculty of Psychology and Education, University of Deusto, Bilbao, Basque Country, Spain
| | | | - Naroa Ibarretxe-Bilbao
- Department of Methods and Experimental Psychology, Faculty of Psychology and Education, University of Deusto, Bilbao, Basque Country, Spain
- Correspondence to: Dr. Naroa Ibarretxe-Bilbao, Faculty of Psychology and Education. University of Deusto, Avda Universidades 24, (48007), Bilbao, Spain. Tel.: +34 944 139 000/Ext.: 2892; E-mail:
| |
Collapse
|
21
|
Cohn M, Giannoylis I, De Belder M, Saint-Cyr JA, McAndrews MP. Associative reinstatement memory measures hippocampal function in Parkinson's Disease. Neuropsychologia 2016; 90:25-32. [DOI: 10.1016/j.neuropsychologia.2016.04.026] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 04/26/2016] [Accepted: 04/28/2016] [Indexed: 11/15/2022]
|
22
|
Abstract
OBJECTIVE Memory formation is proposed to be a dual process that involves the simultaneous memorisation of both detailed information (item-specific memory) and gist information (gist memory). Memory deficits have been reported in patients with Parkinson's disease (PD); however, few studies have explicitly addressed the nature of these deficits. To obtain a detailed understanding of memory dysfunction in patients with PD, it is of crucial importance to establish whether item-specific memory and gist memory performance are impaired. The aim of this study is to explore whether gist memory and item-specific memory performance are still intact in patients with PD, as well as to determine which psychological mechanisms are responsible for memory formation. SETTING Two hospitals in northern Taiwan. PARTICIPANTS Thirty-nine patients with PD and 28 normal controls were recruited. Each participant received a gist-based recognition test following the Deese-Roediger-McDermott paradigm, as well as neuropsychological tests and measures of clinical characteristics. RESULTS Gist memory was impaired in patients with advanced-stage disease (Hoehn and Yahr (H&Y) stage: III) (F2,64=3.58, p=0.033), whereas item-specific memory was preserved throughout all disease stages. Correlation analysis showed that item-specific memory was related to executive functions in normal controls and early-stage patients with PD (H&Y stage: I-II); however, item-specific memory was related to episodic memory, rather than to executive functions, in advanced-stage patients with PD. Moreover, gist memory was related to episodic memory, but only in early-stage patients with PD. CONCLUSIONS We discovered that impaired gist memory is found in advanced-stage, but not in early-stage, patients with PD. Our findings suggest that the techniques used to take advantage of the relatively preserved gist memory in early-stage patients with PD, as well as the preserved item-specific memory in patients with PD of all stages, could be useful for memory rehabilitation programmes.
Collapse
Affiliation(s)
- Rwei-Ling Yu
- Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chun-Hsiang Tan
- Department of Neurology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Yih-Ru Wu
- Department of Neurology, Chang Gung Memorial Hospital-Linkou Branch, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Ruey-Meei Wu
- Department of Neurology, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Ming-Jang Chiu
- Department of Neurology, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Mau-Sun Hua
- Department of Neurology, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
- Department of Psychology, National Taiwan University, Taipei, Taiwan
- Department of Neurobiology and Cognitive Science Center, National Taiwan University, Taipei, Taiwan
- Department of Psychiatry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Brain and Mind Sciences, National Taiwan University, Taipei, Taiwan
| |
Collapse
|
23
|
Mioni G, Meligrana L, Rendell PG, Bartolomei L, Perini F, Stablum F. Event-based prospective memory in patients with Parkinson's disease: the effect of emotional valence. Front Hum Neurosci 2015; 9:427. [PMID: 26257636 PMCID: PMC4513235 DOI: 10.3389/fnhum.2015.00427] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Accepted: 07/13/2015] [Indexed: 11/13/2022] Open
Abstract
The present study investigated the effect of Parkinson’s disease (PD) on prospective memory (PM) tasks by varying the emotional content of the PM actions. Twenty-one older adults with PD and 25 healthy older adults took part in the present study. Participants performed three virtual days in the Virtual Week task. On each virtual day, participants performed actions with positive, negative or neutral content. Immediately following each virtual day, participants completed a recognition task to assess their retrospective memory for the various PM tasks. PD patients were less accurate than the control group at both PM accuracy and recognition task accuracy. The effect of emotional valence was also evident, indicating that all participants were more accurate on positive PM tasks than both negative and neutral. This study confirmed PM impairment in PD patients and extended previous research showing how positive emotional stimuli can influence PM performance.
Collapse
Affiliation(s)
- G Mioni
- Department of General Psychology, University of Padova Padova, Italy
| | - L Meligrana
- U.O. Neurologia, Ospedale San Bortolo Vicenza, Italy ; U.O. Psicologia Ospedaliera, Ospedale San Bortolo Vicenza, Italy
| | - P G Rendell
- School of Psychology, Australian Catholic University Melbourne, VIC, Australia
| | - L Bartolomei
- U.O. Neurologia, Ospedale San Bortolo Vicenza, Italy
| | - F Perini
- U.O. Neurologia, Ospedale San Bortolo Vicenza, Italy
| | - F Stablum
- Department of General Psychology, University of Padova Padova, Italy
| |
Collapse
|
24
|
Wang YQ, Tang BS, Yan XX, Chen ZH, Xu Q, Liu ZH, Li K, Wang K, Guo JF. A neurophysiological profile in Parkinson’s disease with mild cognitive impairment and dementia in China. J Clin Neurosci 2015; 22:981-5. [DOI: 10.1016/j.jocn.2014.11.030] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Accepted: 11/25/2014] [Indexed: 12/21/2022]
|
25
|
Gratwicke J, Jahanshahi M, Foltynie T. Parkinson's disease dementia: a neural networks perspective. Brain 2015; 138:1454-76. [PMID: 25888551 PMCID: PMC4614131 DOI: 10.1093/brain/awv104] [Citation(s) in RCA: 279] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Revised: 03/15/2015] [Accepted: 03/23/2015] [Indexed: 12/16/2022] Open
Abstract
In the long-term, with progression of the illness, Parkinson's disease dementia affects up to 90% of patients with Parkinson's disease. With increasing life expectancy in western countries, Parkinson's disease dementia is set to become even more prevalent in the future. However, current treatments only give modest symptomatic benefit at best. New treatments are slow in development because unlike the pathological processes underlying the motor deficits of Parkinson's disease, the neural mechanisms underlying the dementing process and its associated cognitive deficits are still poorly understood. Recent insights from neuroscience research have begun to unravel the heterogeneous involvement of several distinct neural networks underlying the cognitive deficits in Parkinson's disease dementia, and their modulation by both dopaminergic and non-dopaminergic transmitter systems in the brain. In this review we collate emerging evidence regarding these distinct brain networks to give a novel perspective on the pathological mechanisms underlying Parkinson's disease dementia, and discuss how this may offer new therapeutic opportunities.
Collapse
Affiliation(s)
- James Gratwicke
- Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London, UK, WC1N 3BG
| | - Marjan Jahanshahi
- Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London, UK, WC1N 3BG
| | - Thomas Foltynie
- Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London, UK, WC1N 3BG
| |
Collapse
|
26
|
Ricciardi L, De Nigris F, Specchia A, Fasano A. Homotaurine in Parkinson's disease. Neurol Sci 2015; 36:1581-7. [PMID: 25894843 DOI: 10.1007/s10072-015-2201-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Accepted: 03/30/2015] [Indexed: 11/30/2022]
Abstract
Homotaurine is a natural compound of red algae, which has been demonstrated to have a neuroprotective effect and has been evaluated as a possible therapeutic agent for Alzheimer's disease. This was a single blind, randomized, controlled study to evaluate the safety and efficacy of homotaurine in patients with Parkinson's disease (PD) and cognitive impairment. Patients were evaluated at baseline and 6 months later. Assessments included, the evaluation of: motor and non-motor conditions and complications (Unified Parkinson's Disease Rating Scale, UPDRS); disability and quality of life; depression; excessive daytime sleepiness and fatigue. An extensive neuropsychological tests battery was administered evaluating specific cognitive domains: memory, phonemic verbal fluency, executive functions and selective visual attention. After baseline testing, patients were allocated to one of the two groups: (A) treatment group: patients treated with homotaurine 100 mg; (B) control group: patients not treated with homotaurine. Forty-seven patients were evaluated at baseline, 24 (51 %) completed the study (PD-homotaurine: n = 11; 44 % and PD-controls: n = 13; 59 %); discontinuation rate was similar across subjects (p = 1.0). Intention to treat analyses to evaluate homotaurine safety showed mild side effects (gastrointestinal upsetting) in 3 patients. Per protocol analyses of homotaurine efficacy showed no difference between groups. Within group analyses showed that PD-homotaurine patients had better score at UPDRS-I at the end of the study compared to baseline (p = 0.017) and at Epworth Sleepiness Scale (p = 0.01). No other differences were found. No significant difference arose for the PD-ctrl group. Homotaurine is a safe drug. Our data suggest a beneficial effect of homotaurine on excessive sleepiness. Future studies are encouraged to confirm this promising role of homotaurine in promoting the sleep/awake cycle in patients with PD.
Collapse
Affiliation(s)
- Lucia Ricciardi
- Sobell Department of Motor Neuroscience and Movement Disorders, Institute of Neurology, University College London, London, UK,
| | | | | | | |
Collapse
|
27
|
Pirogovsky-Turk E, Filoteo JV, Litvan I, Harrington DL. Structural MRI Correlates of Episodic Memory Processes in Parkinson's Disease Without Mild Cognitive Impairment. JOURNAL OF PARKINSON'S DISEASE 2015; 5:971-81. [PMID: 26577652 PMCID: PMC4754077 DOI: 10.3233/jpd-150652] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Changes in episodic memory are common early in Parkinson's disease (PD) and may be a risk factor for future cognitive decline. Although medial temporal lobe (MTL) memory and frontostriatal (FS) executive systems are thought to play different roles in distinct components of episodic memory impairment in PD, no study has investigated whether different aspects of memory functioning are differentially associated with MTL and FS volumes in nondemented patients without mild cognitive impairment (PD-woMCI). OBJECTIVES The present study investigated MRI markers of different facets of memory functioning in 48 PD-woMCI patients and 42 controls. METHODS Regional volumes were measured in structures comprising the MTL and FS systems and then correlated with key indices of memory from the California Verbal Learning Test. RESULTS In PD-woMCI patients, memory was impaired only for verbal learning, which was not associated with executive, attention/working memory, or visuospatial functioning. Despite an absence of cortical atrophy, smaller right MTL volumes in patients were associated with poorer verbal learning, long delayed free recall, long delayed cued recall, and recognition memory hits and false positives. Smaller right pars triangularis (inferior frontal) volumes were also associated with poorer long delayed cued recall and recognition memory hits. These relationships were not found in controls. CONCLUSIONS The findings indicate that MTL volumes are sensitive to subtle changes in almost all facets of memory in PD-woMCI, whereas FS volumes are sensitive only to memory performances in cued-testing formats.
Collapse
Affiliation(s)
- Eva Pirogovsky-Turk
- Department of Psychiatry, University of California San Diego, USA
- Research Service, VA San Diego Healthcare System, USA
| | - J. Vincent Filoteo
- Department of Psychiatry, University of California San Diego, USA
- Research Service, VA San Diego Healthcare System, USA
- Psychology Service, VA San Diego Healthcare System, USA
| | - Irene Litvan
- Department of Neurosciences, University of California San Diego, USA
| | - Deborah L. Harrington
- Research Service, VA San Diego Healthcare System, USA
- Department of Radiology, University of California San Diego, USA
| |
Collapse
|
28
|
Schoemaker D, Gauthier S, Pruessner JC. Recollection and Familiarity in Aging Individuals with Mild Cognitive Impairment and Alzheimer’s Disease: A Literature Review. Neuropsychol Rev 2014; 24:313-31. [DOI: 10.1007/s11065-014-9265-6] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Accepted: 07/23/2014] [Indexed: 11/30/2022]
|
29
|
Rodríguez LA, Algarabel S, Escudero J. Exploring recollection and familiarity impairments in Parkinson's disease. J Clin Exp Neuropsychol 2014; 36:494-506. [PMID: 24766315 DOI: 10.1080/13803395.2014.909386] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
There is conflicting evidence on whether patients diagnosed with Parkinson's disease (PD) have cognitive deficits associated with episodic memory and particularly with recognition memory. The aim of the present study was to explore whether PD patients exhibit deficits in recollection and familiarity, the two processes involved in recognition. A sample of young healthy participants (22) was tested to verify that the experimental tasks were useful estimators of recognition processes. Two further samples--one of elderly controls (16) and one of PD patients (20)--were the main focus of this research. All participants were exposed to an associative recognition test aimed at estimating recollection followed by a two-alternative forced-choice (2AFC) test designed to estimate familiarity. The analyses showed a deficit in associative recognition in PD patients and no difference between elderly controls and PD patients in the 2AFC test. By contrast, young healthy participants were better than elderly controls and PD patients in both components of recognition. Further analyses of results of the 2AFC test indicated that the measure chosen to estimate conceptual familiarity was adequate.
Collapse
|
30
|
The tools of the trade: A state of the art “How to Assess Cognition” in the patient with Parkinson's disease. Mov Disord 2014; 29:584-96. [DOI: 10.1002/mds.25874] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Revised: 02/07/2014] [Accepted: 02/27/2014] [Indexed: 01/08/2023] Open
|
31
|
Chiaravalloti ND, Ibarretxe‐Bilbao N, DeLuca J, Rusu O, Pena J, García‐Gorostiaga I, Ojeda N. The source of the memory impairment in Parkinson's disease: Acquisition versus retrieval. Mov Disord 2014; 29:765-71. [DOI: 10.1002/mds.25842] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2013] [Revised: 01/17/2014] [Accepted: 01/20/2014] [Indexed: 11/09/2022] Open
Affiliation(s)
- Nancy D. Chiaravalloti
- Kessler FoundationWest Orange New Jersey USA
- Department of Physical Medicine and RehabilitationRutgers New Jersey Medical SchoolNewark New Jersey USA
| | - Naroa Ibarretxe‐Bilbao
- Neuropsychology of Psychiatric and Neurological Disorders Research Team Department of Methods and Experimental Psychology Faculty of Psychology and EducationUniversity of DeustoBilbao Spain
| | - John DeLuca
- Kessler FoundationWest Orange New Jersey USA
- Department of Physical Medicine and RehabilitationRutgers New Jersey Medical SchoolNewark New Jersey USA
- Department of Neurology and NeurosciencesRutgers New Jersey Medical SchoolNewark New Jersey USA
| | - Olga Rusu
- Neuropsychology of Psychiatric and Neurological Disorders Research Team Department of Methods and Experimental Psychology Faculty of Psychology and EducationUniversity of DeustoBilbao Spain
| | - Javier Pena
- Neuropsychology of Psychiatric and Neurological Disorders Research Team Department of Methods and Experimental Psychology Faculty of Psychology and EducationUniversity of DeustoBilbao Spain
| | | | - Natalia Ojeda
- Neuropsychology of Psychiatric and Neurological Disorders Research Team Department of Methods and Experimental Psychology Faculty of Psychology and EducationUniversity of DeustoBilbao Spain
| |
Collapse
|
32
|
Abstract
Prospective memory (PM) refers to the ability to remember to carry out an intended action in the future and it is pervasive in our daily living. A failure to execute an intended action (e.g., take medication) at the appropriate juncture in future (e.g., after dinner) can negatively affect our daily functioning and at times, may have devastating effects (e.g., forgetting to turn off the gas stove before leaving the house). Patients with Parkinson's disease (PD) exhibit widespread cognitive deficits including deficits in PM. The present study provides a meta-analytic review of PM in PD. Results across nine studies indicated time and event-based PM to be similarly impaired in PD, with time-based PM compromised to a slightly larger extent (Hedges' g = -0.71) as compared to event-based PM (Hedges' g = -0.55). The impairment in PM is more likely due to failure in self-initiated retrieval of intention to be executed, rather than forgetting the content of the intention itself. Furthermore, factors such as intervening task complexity and the mediating role of other executive functions have also been proposed to be responsible for impaired PM in PD.
Collapse
|
33
|
Chao OYH, Pum ME, Huston JP. The interaction between the dopaminergic forebrain projections and the medial prefrontal cortex is critical for memory of objects: Implications for Parkinson's disease. Exp Neurol 2013; 247:373-82. [DOI: 10.1016/j.expneurol.2013.01.003] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2012] [Revised: 12/14/2012] [Accepted: 01/01/2013] [Indexed: 02/08/2023]
|
34
|
Cognitive change in newly-diagnosed patients with Parkinson's disease: a 5-year follow-up study. J Int Neuropsychol Soc 2013; 19:695-708. [PMID: 23544964 DOI: 10.1017/s1355617713000295] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Cognitive change is frequently observed in patients with Parkinson's disease (PD). However, the exact profile and extent of cognitive impairments remain unclear due to the clinical heterogeneity of PD and methodological issues in many previous studies. In this study, we aimed to examine the severity, frequency, and profile of cognitive changes in newly diagnosed PD patients over 5 years. At baseline and after 3 and 5 years, a hospital-based sample of PD patients (n = 59) and healthy controls (n = 40) were given neuropsychological tests covering six cognitive domains. Patients showed greater decline over time than healthy controls on all cognitive domains, except for attention. The profile of decline showed that psychomotor speed and memory were most affected. At the individual level 53% of the patients showed more cognitive decline than controls. Age at onset and memory impairment at baseline predicted cognitive decline. Cognitive functions in PD patients show greater decline in most domains than in healthy elderly over the course of 5 years. Due to selection bias as a result of attrition, the actual degree of decline may be greater than reported here.
Collapse
|
35
|
Pagonabarraga J, Gómez-Ansón B, Rotger R, Llebaria G, García-Sánchez C, Pascual-Sedano B, Gironell A, Delfino M, Ruscalleda J, Kulisevsky J. Spectroscopic changes associated with mild cognitive impairment and dementia in Parkinson's disease. Dement Geriatr Cogn Disord 2013. [PMID: 23208306 DOI: 10.1159/000345537] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Frontal subcortical cognitive defects are predominant in Parkinson's disease (PD). Temporal lobe dysfunction seems more relevant for progression to dementia. We aimed to study the relative importance of temporal lobe defects versus executive impairment in the progression to dementia in PD by using proton magnetic resonance spectroscopy ((1)H-MRS). The (1)H-MRS features of PD patients with intact cognition (PD-CgInt; n = 16), mild cognitive impairment (MCI; n = 15) and dementia (PDD; n = 15) were compared, to delineate the metabolic alterations correlating with cognitive status. Metabolite concentrations were acquired from voxels localized to the hippocampus and dorsolateral prefrontal cortex (DL-PFC). Cognitive status was established following the Movement Disorder Society PDD criteria, administering the Clinical Dementia Rating Scale and Mattis Dementia Rating Scale. The Parkinson's Disease Cognitive Rating Scale (PD-CRS) was used to correlate (1)H-MRS with neuropsychology. N-acetylaspartate (NAA) concentrations in the right DL-PFC were decreased in PD-MCI compared with PD-CgInt patients (p = 0.002), and correlated with frontal subcortical tasks. Decreased NAA concentrations in the left hippocampus in PDD compared to PD-MCI (p = 0.03) correlated with confrontation naming. The present findings support that executive impairment is related to dorsolateral prefrontal dysfunction from the early stages, while progression to dementia is linked to the additional impairment of temporal lobe structures. The PD-CRS was able to capture the differential impairment of prefrontal versus temporal cortical areas.
Collapse
Affiliation(s)
- Javier Pagonabarraga
- Movement Disorders Unit, Neurology Department, Sant Pau Hospital, Barcelona, Spain
| | | | | | | | | | | | | | | | | | | |
Collapse
|
36
|
Alonso Recio L, Martín P, Carvajal F, Ruiz M, Serrano JM. A holistic analysis of relationships between executive function and memory in Parkinson's disease. J Clin Exp Neuropsychol 2013; 35:147-59. [DOI: 10.1080/13803395.2012.758240] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
37
|
Foerde K, Braun EK, Shohamy D. A Trade-Off between Feedback-Based Learning and Episodic Memory for Feedback Events: Evidence from Parkinsons Disease. NEURODEGENER DIS 2013; 11:93-101. [DOI: 10.1159/000342000] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
|
38
|
Scimeca JM, Badre D. Striatal contributions to declarative memory retrieval. Neuron 2012; 75:380-92. [PMID: 22884322 DOI: 10.1016/j.neuron.2012.07.014] [Citation(s) in RCA: 137] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/19/2012] [Indexed: 11/16/2022]
Abstract
Declarative memory is known to depend on the medial temporal lobe memory system. Recently, there has been renewed focus on the relationship between the basal ganglia and declarative memory, including the involvement of striatum. However, the contribution of striatum to declarative memory retrieval remains unknown. Here, we review neuroimaging and neuropsychological evidence for the involvement of the striatum in declarative memory retrieval. From this review, we propose that, along with the prefrontal cortex (PFC), the striatum primarily supports cognitive control of memory retrieval. We conclude by proposing three hypotheses for the specific role of striatum in retrieval: (1) striatum modulates the re-encoding of retrieved items in accord with their expected utility (adaptive encoding), (2) striatum selectively admits information into working memory that is expected to increase the likelihood of successful retrieval (adaptive gating), and (3) striatum enacts adjustments in cognitive control based on the outcome of retrieval (reinforcement learning).
Collapse
Affiliation(s)
- Jason M Scimeca
- Department of Cognitive, Linguistic, and Psychological Sciences, Brown University, Providence, RI 02912, USA
| | | |
Collapse
|
39
|
Pagonabarraga J, Kulisevsky J. Cognitive impairment and dementia in Parkinson's disease. Neurobiol Dis 2012; 46:590-6. [PMID: 22484304 DOI: 10.1016/j.nbd.2012.03.029] [Citation(s) in RCA: 149] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2012] [Revised: 03/09/2012] [Accepted: 03/21/2012] [Indexed: 02/01/2023] Open
Abstract
Relatively subtle cognitive disturbances may be present from the initial stages of Parkinson's disease (PD) that progress in many patients to a more severe cognitive impairment and dementia. Several of the initial deficits are ascribed to failure in the frontal-striatal basal ganglia circuits and involve executive defects in planning, initiation, monitoring of goal-directed behaviors and working-memory. Other non-demented PD patients also exhibit visuospatial and memory deficits more representative of posterior cortical functioning and fail performing naming or copying tasks. Major differences in the overall rate of cognitive decline among PD patients support the co-existence of at least two patterns of involution, differentiating a relatively slow decline of fronto-striatal deficits from a more rapid decline of posterior-cortical deficits, with different pathophysiological substrates, genetics, prognosis and response to drugs used to treat the motor symptoms of PD.
Collapse
Affiliation(s)
- Javier Pagonabarraga
- Movement Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
| | | |
Collapse
|
40
|
Aly M, Yonelinas AP, Kishiyama MM, Knight RT. Damage to the lateral prefrontal cortex impairs familiarity but not recollection. Behav Brain Res 2011; 225:297-304. [PMID: 21827792 PMCID: PMC3170503 DOI: 10.1016/j.bbr.2011.07.043] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2010] [Revised: 07/19/2011] [Accepted: 07/22/2011] [Indexed: 11/23/2022]
Abstract
Frontal lobe lesions impair recognition memory but it is unclear whether the deficits arise from impaired recollection, impaired familiarity, or both. In the current study, recognition memory for verbal materials was examined in patients with damage to the left or right lateral prefrontal cortex. Words were incidentally encoded under semantic or phonological orienting conditions, and recognition memory was tested using a 6-point confidence procedure. Receiver operating characteristics (ROCs) were examined in order to measure the contributions of recollection and familiarity to recognition memory. In both encoding conditions, lateral prefrontal cortex damage led to a deficit in familiarity but not recollection. Similar deficits were observed in left and right hemisphere patients. The results indicate that the lateral prefrontal cortex plays a critical role in the monitoring or decision processes required for accurate familiarity-based recognition responses.
Collapse
Affiliation(s)
- Mariam Aly
- University of California, Davis, Department of Psychology, 134 Young Hall, One Shields Avenue, Davis, CA 95616, United States.
| | | | | | | |
Collapse
|
41
|
Narme P, Bonnet AM, Dubois B, Chaby L. Understanding facial emotion perception in Parkinson's disease: The role of configural processing. Neuropsychologia 2011; 49:3295-302. [DOI: 10.1016/j.neuropsychologia.2011.08.002] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2010] [Revised: 06/28/2011] [Accepted: 08/04/2011] [Indexed: 10/17/2022]
|
42
|
Foerde K, Shohamy D. The role of the basal ganglia in learning and memory: insight from Parkinson's disease. Neurobiol Learn Mem 2011; 96:624-36. [PMID: 21945835 DOI: 10.1016/j.nlm.2011.08.006] [Citation(s) in RCA: 119] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2011] [Revised: 08/14/2011] [Accepted: 08/19/2011] [Indexed: 11/25/2022]
Abstract
It has long been known that memory is not a single process. Rather, there are different kinds of memory that are supported by distinct neural systems. This idea stemmed from early findings of dissociable patterns of memory impairments in patients with selective damage to different brain regions. These studies highlighted the role of the basal ganglia in non-declarative memory, such as procedural or habit learning, contrasting it with the known role of the medial temporal lobes in declarative memory. In recent years, major advances across multiple areas of neuroscience have revealed an important role for the basal ganglia in motivation and decision making. These findings have led to new discoveries about the role of the basal ganglia in learning and highlighted the essential role of dopamine in specific forms of learning. Here we review these recent advances with an emphasis on novel discoveries from studies of learning in patients with Parkinson's disease. We discuss how these findings promote the development of current theories away from accounts that emphasize the verbalizability of the contents of memory and towards a focus on the specific computations carried out by distinct brain regions. Finally, we discuss new challenges that arise in the face of accumulating evidence for dynamic and interconnected memory systems that jointly contribute to learning.
Collapse
Affiliation(s)
- Karin Foerde
- Dept. of Psychology, 406 Schermerhorn Hall, Columbia University, NY 10027, USA.
| | | |
Collapse
|
43
|
Barone P, Aarsland D, Burn D, Emre M, Kulisevsky J, Weintraub D. Cognitive impairment in nondemented Parkinson's disease. Mov Disord 2011; 26:2483-95. [PMID: 22170275 DOI: 10.1002/mds.23919] [Citation(s) in RCA: 98] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2010] [Revised: 07/06/2011] [Accepted: 07/21/2011] [Indexed: 11/06/2022] Open
Abstract
A substantial percentage of patients with newly diagnosed Parkinson's disease without dementia are reported to be affected by cognitive impairment (CI). In practice, however, CI is underrecognized, as the signs may not be apparent in early-stage disease and many routine assessment tools lack the sensitivity to detect subtle cognitive dysfunction. Patients with PD and mild CI (MCI) may have a higher risk of developing dementia than cognitively intact PD patients; however, it is not currently known which patients with CI are at increased risk of developing dementia. This review summarizes current knowledge about CI in nondemented PD; it discusses the structural and functional changes associated with CI and addresses areas of unmet needs. We focus on questions that should be addressed in future studies to achieve consensus on its characteristics and definition, pathophysiology, epidemiology, diagnosis and assessment, and treatment and management.
Collapse
Affiliation(s)
- Paolo Barone
- Department of Neurological Sciences, University Federico II-ICD Hermitage, Capodimonte, Naples, Italy.
| | | | | | | | | | | |
Collapse
|
44
|
Dysfunctions of cerebral networks precede recognition memory deficits in early Parkinson's disease. Neuroimage 2011; 57:589-97. [PMID: 21554963 DOI: 10.1016/j.neuroimage.2011.04.049] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2010] [Revised: 03/09/2011] [Accepted: 04/23/2011] [Indexed: 01/13/2023] Open
Abstract
We aimed to investigate changes in the verbal recognition memory network in patients with early Parkinson's disease (PD) without overt recognition memory alteration. Verbal recognition memory was assessed in 24 PD patients in early stages of the disease and a control group of 24 healthy subjects during fMRI data acquisition. Participants were presented with a list of 35 words before imaging, and later during fMRI scanning they were required to recognize these previously presented words. Both model-based (FEAT) and model-free (MELODIC) analyses of the fMRI data were carried out with FSL software. Memory was also assessed by means of Rey's Auditory Verbal Learning Test (RAVLT). PD patients showed no difference in the fMRI recognition memory task and recognition memory assessed by the RAVLT compared to healthy controls. Model-based analysis did not show significant differences between groups. On the other hand, model-free analysis identified components that fitted the task-model and were common to all the participants, as well as components that differed between PD and healthy controls. PD patients showed decreased task-related activations in areas involved in the recognition memory network and decreased task-related deactivations in the default mode network in comparison with controls. In conclusion, model-free fMRI analysis detected alterations in functional cerebral networks involved in a verbal memory task in PD patients without evident recognition memory deficit.
Collapse
|
45
|
Edelstyn NMJ, Mayes AR, Condon L, Tunnicliffe M, Ellis SJ. Recognition, recollection, familiarity and executive function in medicated patients with moderate Parkinson's disease. J Neuropsychol 2010; 1:131-47. [DOI: 10.1348/174866407x182565] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
46
|
Double dissociation between familiarity and recollection in Parkinson's disease as a function of encoding tasks. Neuropsychologia 2010; 48:4142-7. [DOI: 10.1016/j.neuropsychologia.2010.10.013] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2010] [Revised: 09/30/2010] [Accepted: 10/03/2010] [Indexed: 11/23/2022]
|
47
|
Schmitt FA, Aarsland D, Brønnick KS, Meng X, Tekin S, Olin JT. Evaluating rivastigmine in mild-to-moderate Parkinson's disease dementia using ADAS-cog items. Am J Alzheimers Dis Other Demen 2010; 25:407-13. [PMID: 20392860 PMCID: PMC10845542 DOI: 10.1177/1533317510367486] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Rivastigmine has been shown to improve cognition in patients with Parkinson's disease dementia (PDD). To further explore the impact of anticholinesterase therapy on PDD, Alzheimer's Disease Assessment Scale-cognitive subscale (ADAS-cog) items were assessed in a retrospective analysis of a 24-week, double-blind, placebo-controlled trial of rivastigmine. Mean changes from baseline at week 24 were calculated for ADAS-cog item scores and for 3 cognitive domain scores. A total of 362 patients were randomized to 3 to 12 mg/d rivastigmine capsules and 179 to placebo. Patients with PDD receiving rivastigmine improved versus placebo on items: word recall, following commands, ideational praxis, remembering test instructions, and comprehension of spoken language (P < .05), with standardized mean differences ranging from 0.04 to 0.30. Rivastigmine also showed significant effects versus placebo on all domains: memory, language, and praxis. The ADAS-cog is sensitive to broad cognitive changes in PDD. Overall, rivastigmine was associated with improvements on individual cognitive items and general cognitive domains.
Collapse
Affiliation(s)
- Frederick A Schmitt
- Department of Neurology, Sanders-Brown Center on Aging, University of Kentucky, Lexington, KY 40536, USA.
| | | | | | | | | | | |
Collapse
|
48
|
Weiermann B, Stephan MA, Kaelin-Lang A, Meier B. Is there a Recognition Memory Deficit in Parkinson's Disease? Evidence from Estimates of Recollection and Familiarity. Int J Neurosci 2010; 120:211-6. [DOI: 10.3109/00207450903506510] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
|
49
|
Moro dos Santos C, Bisol Balardin J, Quarti Irigaray T, Schröder N, Rieder CRM, Bromberg E. Incidental Encoding Strategies Did Not Improve Contextual Memory in Parkinson’s Disease Patients. Neurorehabil Neural Repair 2009; 24:450-6. [DOI: 10.1177/1545968309355987] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background. This study investigated the performance of patients with idiopathic Parkinson’s disease (PD) without dementia for incidental recognition memory and the effect of encoding strategies on contextual memory. Methods. The authors studied 21 patients with PD (ages 60-85, 12 women; Hoehn and Yahr I-III, Activities of Daily Living 70%-100%) and 22 healthy controls (ages 60-84, 18 women). Participants completed the vocabulary subtest of the Wechsler Adult Intelligence Scale and the Wisconsin Card Sorting Test (WCST). To assess the incidental recognition memory for item (object) and context (location of the object), participants of each group were assigned to 1 of 2 encoding conditions: ( a) an incidental associative instruction to bind the object to its location or ( b) a nonassociative, nonspecific instruction. Results. PD patients showed performance comparable to the control group’s on the vocabulary subtest and WCST. In contrast to controls, PD patients were unable to take advantage of the associative encoding instruction, which also had a deleterious effect on item recognition. Conclusion. This sample of participants with PD showed diminished item and context recognition memory and an impaired ability to use incidental memory encoding strategy, suggesting a compromised cognitive reserve. The fact that these alterations occurred in early stages of PD, and prior to more general cognitive alterations such as executive dysfunction, should be considered in the management of patients by using specific cognitive rehabilitation interventions.
Collapse
Affiliation(s)
| | | | | | - Nadja Schröder
- Pontifical Catholic University, Porto Alegre, RS, Brazil
| | - Carlos R. M. Rieder
- Hospital de Clínicas de Porto Alegre, Service of Neurology, Porto Alegre, Brazil
| | - Elke Bromberg
- Pontifical Catholic University, Porto Alegre, RS, Brazil,
| |
Collapse
|
50
|
Bohlhalter S, Abela E, Weniger D, Weder B. Impaired verbal memory in Parkinson disease: relationship to prefrontal dysfunction and somatosensory discrimination. Behav Brain Funct 2009; 5:49. [PMID: 20003499 PMCID: PMC2805678 DOI: 10.1186/1744-9081-5-49] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2009] [Accepted: 12/15/2009] [Indexed: 12/03/2022] Open
Abstract
Objective To study the neurocognitive profile and its relationship to prefrontal dysfunction in non-demented Parkinson's disease (PD) with deficient haptic perception. Methods Twelve right-handed patients with PD and 12 healthy control subjects underwent thorough neuropsychological testing including Rey complex figure, Rey auditory verbal and figural learning test, figural and verbal fluency, and Stroop test. Test scores reflecting significant differences between patients and healthy subjects were correlated with the individual expression coefficients of one principal component, obtained in a principal component analysis of an oxygen-15-labeled water PET study exploring somatosensory discrimination that differentiated between the two groups and involved prefrontal cortices. Results We found significantly decreased total scores for the verbal learning trials and verbal delayed free recall in PD patients compared with normal volunteers. Further analysis of these parameters using Spearman's ranking correlation showed a significantly negative correlation of deficient verbal recall with expression coefficients of the principal component whose image showed a subcortical-cortical network, including right dorsolateral-prefrontal cortex, in PD patients. Conclusion PD patients with disrupted right dorsolateral prefrontal cortex function and associated diminished somatosensory discrimination are impaired also in verbal memory functions. A negative correlation between delayed verbal free recall and PET activation in a network including the prefrontal cortices suggests that verbal cues and accordingly declarative memory processes may be operative in PD during activities that demand sustained attention such as somatosensory discrimination. Verbal cues may be compensatory in nature and help to non-specifically enhance focused attention in the presence of a functionally disrupted prefrontal cortex.
Collapse
Affiliation(s)
- Stephan Bohlhalter
- Department of Neurology, Division of Cognitive and Restorative Neurology, University Hospital Bern, Bern, Switzerland
| | | | | | | |
Collapse
|