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Liu Y, Wang Z, Wei T, Zhou S, Yin Y, Mi Y, Liu X, Tang Y. Alterations of Audiovisual Integration in Alzheimer's Disease. Neurosci Bull 2023; 39:1859-1872. [PMID: 37812301 PMCID: PMC10661680 DOI: 10.1007/s12264-023-01125-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 06/22/2023] [Indexed: 10/10/2023] Open
Abstract
Audiovisual integration is a vital information process involved in cognition and is closely correlated with aging and Alzheimer's disease (AD). In this review, we evaluated the altered audiovisual integrative behavioral symptoms in AD. We further analyzed the relationships between AD pathologies and audiovisual integration alterations bidirectionally and suggested the possible mechanisms of audiovisual integration alterations underlying AD, including the imbalance between energy demand and supply, activity-dependent degeneration, disrupted brain networks, and cognitive resource overloading. Then, based on the clinical characteristics including electrophysiological and imaging data related to audiovisual integration, we emphasized the value of audiovisual integration alterations as potential biomarkers for the early diagnosis and progression of AD. We also highlighted that treatments targeted audiovisual integration contributed to widespread pathological improvements in AD animal models and cognitive improvements in AD patients. Moreover, investigation into audiovisual integration alterations in AD also provided new insights and comprehension about sensory information processes.
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Affiliation(s)
- Yufei Liu
- Department of Neurology and Innovation Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, National Center for Neurological Disorders, Beijing, 100053, China
| | - Zhibin Wang
- Department of Neurology and Innovation Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, National Center for Neurological Disorders, Beijing, 100053, China
| | - Tao Wei
- Department of Neurology and Innovation Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, National Center for Neurological Disorders, Beijing, 100053, China
| | - Shaojiong Zhou
- Department of Neurology and Innovation Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, National Center for Neurological Disorders, Beijing, 100053, China
| | - Yunsi Yin
- Department of Neurology and Innovation Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, National Center for Neurological Disorders, Beijing, 100053, China
| | - Yingxin Mi
- Department of Neurology and Innovation Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, National Center for Neurological Disorders, Beijing, 100053, China
| | - Xiaoduo Liu
- Department of Neurology and Innovation Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, National Center for Neurological Disorders, Beijing, 100053, China
| | - Yi Tang
- Department of Neurology and Innovation Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, National Center for Neurological Disorders, Beijing, 100053, China.
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Hsiao CC, Lin CC, Cheng CG, Chang YH, Lin HC, Wu HC, Cheng CA. Self-Reported Beneficial Effects of Chinese Calligraphy Handwriting Training for Individuals with Mild Cognitive Impairment: An Exploratory Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:1031. [PMID: 36673790 PMCID: PMC9859373 DOI: 10.3390/ijerph20021031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/01/2023] [Accepted: 01/03/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND Dementia is a common disease in aging populations. The treatment has mainly focused on memory decline prevention and behavior control. Nonpharmacological treatments, such as cognition training, physical exercise, and music therapy have been effective in slowing memory decline. Chinese calligraphy handwriting (CCH) through breath regulation and fine hand control involves high concentration levels, emotion regulation, and self-awareness. CCH is a mind and body activity that is culturally relevant to older Chinese adults. This study evaluated the beneficial effects of CCH on mild cognitive impairment. METHODS In 2018, we conducted 8 weeks of CCH training at the Tri-Service General Hospital. The participants were asked to copy a regular script. At the end of the course, they gave oral presentations and showed their work. Self-report questionnaires on emotion, memory, upper limb coordination, attention, and language were collected before and after training. RESULTS The five questionnaires showed significantly positive feelings after CCH training. The conditions of emotional stability, concentration, hand movement, memory, and speech improved. CONCLUSIONS CCH training stimulated the brain and improved cognition, psychological symptoms, and hand stability. It is inexpensive and worthwhile for elderly Chinese individuals with mild cognitive impairment to take time daily to practice calligraphy.
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Affiliation(s)
- Chih-Chun Hsiao
- Department of Nursing, Taoyuan Armed Forces General Hospital, Taoyuan 32549, Taiwan
| | - Chun-Chieh Lin
- Department of Neurology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan
| | - Chun-Gu Cheng
- Department of Emergency Medicine, Taoyuan Armed Forces General Hospital, National Defense Medical Center, Taoyuan 32549, Taiwan
- Department of Emergency Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan
- Department of Emergency and Critical Medicine, Wan Fang Hospital, Taipei Medical University, Taipei 11696, Taiwan
| | - Yin-Han Chang
- Department of Psychology, National Taiwan University, Taipei 10621, Taiwan
| | - Hui-Chen Lin
- School of Nursing, Taipei Medical University, Taipei 11031, Taiwan
| | - Hsing-Chen Wu
- Graduate Institute of Vocational and Technological Education, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
| | - Chun-An Cheng
- Department of Neurology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan
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Wong CHY, Liu J, Tao J, Chen LD, Yuan HL, Wong MNK, Xu YW, Lee TMC, Chan CCH. Causal influences of salience/cerebellar networks on dorsal attention network subserved age-related cognitive slowing. GeroScience 2022; 45:889-899. [PMID: 36401740 PMCID: PMC9886783 DOI: 10.1007/s11357-022-00686-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 10/31/2022] [Indexed: 11/21/2022] Open
Abstract
Age-related cognitive slowing is a prominent precursor of cognitive decline. Functional neuroimaging studies found that cognitive processing speed is associated with activation and coupling among frontal, parietal and cerebellar brain networks. However, how the reciprocal influences of inter- and intra-network coupling mediate age-related decline in processing speed remains insufficiently studied. This study examined how inter- and intra-brain network influences mediate age-related slowing. We were interested in the fronto-insular salience network (SN), frontoparietal dorsal attention network (DAN), cerebellar network (CN) and default mode network (DMN). Reaction time (RT) and functional MRI data from 84 participants (aged 18-75) were collected while they were performing the Arrow Task in visual or audial forms. At the subject level, effective connectivities (ECs) were estimated with regression dynamic causal modelling. At the group level, structural equation models (SEMs) were used to model latent speed based on age and the EC mediators. Age was associated with decreased speed and increased inter-network effective connectivity. The CN exerting influence on the DAN (CN → DAN EC) mediated, while the SN → DAN EC suppressed age-related slowing. The DMN and intra-network ECs did not seem to play significant roles in slowing due to ageing. Inter-network connectivity from the CN and SN to the DAN contributes to age-related slowing. The seemingly antagonizing influences of the CN and SN indicate that increased task-related automaticity and decreased effortful control on top-down attention would promote greater speed in older individuals.
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Affiliation(s)
- Clive H. Y. Wong
- grid.419993.f0000 0004 1799 6254Department of Psychology, The Education University of Hong Kong, New Territories, Tai Po, Hong Kong China ,grid.194645.b0000000121742757State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Pokfulam Hong Kong, China ,grid.194645.b0000000121742757Laboratory of Neuropsychology and Human Neuroscience, Department of Psychology, The University of Hong Kong, Pokfulam Hong Kong, China
| | - Jiao Liu
- grid.411504.50000 0004 1790 1622National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian China ,Fujian Key Laboratory of Rehabilitation Technology, Fuzhou, Fujian China ,grid.411504.50000 0004 1790 1622Traditional Chinese Medicine Rehabilitation Research Center of State Administration of Traditional Chinese Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian China
| | - Jing Tao
- grid.411504.50000 0004 1790 1622National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian China ,grid.411504.50000 0004 1790 1622College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian China ,Fujian Collaborative Innovation Center for Rehabilitation Technology, Fuzhou, Fujian China
| | - Li-dian Chen
- grid.411504.50000 0004 1790 1622National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian China ,grid.411504.50000 0004 1790 1622College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian China ,Fujian Collaborative Innovation Center for Rehabilitation Technology, Fuzhou, Fujian China
| | - Huan-ling Yuan
- grid.16890.360000 0004 1764 6123Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hung Hom Hong Kong, China
| | - Mabel N. K. Wong
- grid.419993.f0000 0004 1799 6254Department of Psychology, The Education University of Hong Kong, New Territories, Tai Po, Hong Kong China ,grid.16890.360000 0004 1764 6123Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hung Hom Hong Kong, China
| | - Yan-wen Xu
- grid.263761.70000 0001 0198 0694Department of Rehabilitation Medicine, Affiliated Hospital of Soochow University, Wuxi, Jiangsu, China
| | - Tatia M. C. Lee
- grid.194645.b0000000121742757State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Pokfulam Hong Kong, China ,grid.194645.b0000000121742757Laboratory of Neuropsychology and Human Neuroscience, Department of Psychology, The University of Hong Kong, Pokfulam Hong Kong, China
| | - Chetwyn C. H. Chan
- grid.419993.f0000 0004 1799 6254Department of Psychology, The Education University of Hong Kong, New Territories, Tai Po, Hong Kong China
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Ren Y, Li S, Zhao N, Hou Y, Wang T, Ren Y, Yang W. Auditory attentional load attenuates age-related audiovisual integration: An EEG study. Neuropsychologia 2022; 174:108346. [PMID: 35973479 DOI: 10.1016/j.neuropsychologia.2022.108346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 12/07/2021] [Accepted: 08/06/2022] [Indexed: 11/25/2022]
Abstract
Studies have revealed that visual attentional load modulated audiovisual integration (AVI) greatly; however, auditory and visual attentional resources are separate to some degree, and task-irrelevant auditory information could arouse much faster and larger attentional alerting effects than visible information. Here, we aimed to explore how auditory attentional load influences AVI and how aging could have an effect. Thirty older and 30 younger adults participated in an AV discrimination task with an additional auditory distractor competing for attentional resources. The race model analysis revealed highest AVI in the low auditory attentional load condition (low > no > medium > high, pairwise comparison, all p ≤ 0.047) for younger adults and a higher AVI under the no auditory attentional-load condition (p = 0.008), but there was a lower AVI under the low (p = 0.019), medium (p < 0.001), and high (p = 0.021) auditory attentional-load conditions for older adults than for younger adults. The time-frequency analysis revealed higher theta- and alpha-band AVI oscillation under no and low auditory attentional-load conditions than under medium and high auditory attentional-load conditions for both older (all p ≤ 0.011) and younger (all p ≤ 0.024) adults. Additionally, Weighted Phase lag index (WPLI) analysis revealed higher theta-band and lower alpha-band global functional connectivity for older adults during AV stimuli processing (all p ≤ 0.031). These results suggested that the AVI was higher in the low attentional-load condition than in the no attentional-load condition but decreased inversely with increasing of attentional load and that there was a significant aging effect in older adults. In addition, the strengthened theta-band global functional connectivity in older adults during AV stimuli processing might be an adaptive phenomenon for age-related perceptual decline.
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Affiliation(s)
- Yanna Ren
- Department of Psychology, College of Humanities and Management, Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, China
| | - Shengnan Li
- Department of Psychology, Faculty of Education, Hubei University, Wuhan, 430062, China
| | - Nengwu Zhao
- Department of Psychology, College of Humanities and Management, Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, China
| | - Yawei Hou
- Department of Psychology, College of Humanities and Management, Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, China
| | - Tao Wang
- Department of Light and Chemical Engineering, Guizhou Light Industry Technical College, Guiyang, 550025, China
| | - Yanling Ren
- Department of Light and Chemical Engineering, Guizhou Light Industry Technical College, Guiyang, 550025, China
| | - Weiping Yang
- Department of Psychology, Faculty of Education, Hubei University, Wuhan, 430062, China.
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Lin R, Luo YT, Yan YJ, Huang CS, Chen LL, Chen MF, Lin MJ, Li H. Effects of an art-based intervention in older adults with mild cognitive impairment: a randomised controlled trial. Age Ageing 2022; 51:6649131. [PMID: 35871420 DOI: 10.1093/ageing/afac144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 04/03/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Art-based interventions may delay cognitive decline and improve health-related outcomes in older adults with mild cognitive impairment (MCI). OBJECTIVE To examine the effects of the Creative Expressive Arts-based Storytelling (CrEAS) program compared to active and waitlist controls on neurocognitive and other health-related outcomes in older people with MCI. DESIGN Three-arm parallel-group, randomised controlled design. PARTICIPANTS One-hundred and thirty-five adults with MCI (mean age: 70.93 ± 6.91 years). METHODS Participants were randomly assigned to intervention (CrEAS, n = 45), active control (n = 45) or waitlist control (n = 45) groups. Interventions were applied once per week for 24 weeks. The primary outcome was global cognitive function; secondary outcomes were specific cognition domains (memory, executive function, language and attention) and other health-related outcomes (anxiety, depression and quality of life [QoL]). All variables were measured at baseline (T0), 24-week follow-up (T1) and 48-week follow-up (T2). RESULTS Participants in the CrEAS group showed significantly higher global cognitive function (adjusted mean difference [MD] = -0.905, 95% confidence interval [CI] -1.748 to -0.062; P = 0.038) and QoL (adjusted MD = -4.150, 95% CI -6.447 to -1.853; P = 0.001) and lower depression symptoms (adjusted MD = 2.902, 95% CI 0.699-5.104; P = 0.011) post-intervention at the 24-week follow-up compared with the active control group. At 48-week follow-up, only the Auditory Verbal Learning Test Immediate recall score was significantly improved compared with the active control group (adjusted MD = -2.941, 95% CI -5.262 to -0.620; P = 0.014). CONCLUSIONS Older adults with MCI who participated in the CrEAS program improved their neuropsychological outcomes and QoL and reduced their rate of cognitive deterioration.
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Affiliation(s)
- Rong Lin
- Research Center for Nursing Theory and Practice, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China.,The School of Nursing, Fujian Medical University, Fuzhou, China
| | - Yu-Ting Luo
- The School of Nursing, Fujian Medical University, Fuzhou, China
| | - Yuan-Jiao Yan
- The School of Nursing, Fujian Medical University, Fuzhou, China
| | - Chen-Shan Huang
- The School of Nursing, Fujian Medical University, Fuzhou, China
| | - Li-Li Chen
- Research Center for Nursing Theory and Practice, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China.,The School of Nursing, Fujian Medical University, Fuzhou, China
| | - Ming-Feng Chen
- Neurology Department, Fujian Provincial Hospital, Fuzhou, China
| | - Mo-Jun Lin
- The School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
| | - Hong Li
- Research Center for Nursing Theory and Practice, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China.,The School of Nursing, Fujian Medical University, Fuzhou, China
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A study on how concurrent visual feedback affects motor learning of adjustability of grasping force in younger and older adults. Sci Rep 2022; 12:10755. [PMID: 35750894 PMCID: PMC9232577 DOI: 10.1038/s41598-022-14975-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 06/15/2022] [Indexed: 12/19/2022] Open
Abstract
In this study, we investigated the differences of the effectiveness from concurrent visual feedback among younger and older adults in learning tasks that require adjustability of grasping force (AGF), as well as the functions related to AGF in each generation. The younger and older adult groups were evaluated for simple visual reaction time as visual-motor speed (VMS) and a 100 g AGF task that reflected the difference between desired performance and actual performance. The main learning task was then practiced using concurrent visual feedback and tested without feedback. The VMS of older adults was slower than that of the younger, and the error in the 100 g AGF task was larger in older adults than in the younger adults. Performance improved from pre-test to retention test in both groups, but the older adult group failed to reach the level of the younger adult group. The results of this study show that concurrent visual feedback is effective for learning the tasks that require AGF in both groups. Indicatively, improvement in performance during practice is insufficient in older people for whom there is a large difference between desired performance and actual performance, or whose VMS is slow.
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Lei LK, Lam BY, Lai DW, Bai X, Li J, Zou Z, Chan CC. Stability of Montreal Cognitive Assessment in Individuals with Mild Cognitive Impairment: Potential Influence of Practice Effect. J Alzheimers Dis 2022; 87:1401-1412. [DOI: 10.3233/jad-220003] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background: The Montreal Cognitive Assessment (MoCA) is a standard test for screening and monitoring cognitive functions. Objective: This study explored the two-year changes in MoCA scores in older adults. Methods: Fifty-seven participants with mild cognitive impairment (MCI) and 87 participants with normal cognition completed the baseline and two-year follow-up assessments. Apart from MoCA, tests on visuospatial judgment, memory, and motor-related executive function were administered. Results: The results identified three MCI subgroups based on the differential changes in MoCA scores. They were the consistently low, consistently high, and low-to-high between-time performances. These heterogeneous test performances are on contrary to the significant deteriorations in executive function and finger dexterity across all subgroups. Repeated exposure to MoCA tests during the follow-up period was found to be a plausible indicator of the MCI subgroup categorization. Conclusion: Findings raise concerns over adopting brief clinical instrument for repeated testing, such as MoCA, for monitoring MCI conditions among older adults.
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Affiliation(s)
- Lauren K.S. Lei
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
- University Research Facility in Behavioral and Systems Neuroscience, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
| | - Bess Y.H. Lam
- Department of Counselling and Psychology, Hong Kong Shue Yan University, Braemer Hill, North Point, Hong Kong
| | - Daniel W.L. Lai
- Faculty of Social Sciences, Hong Kong Baptist University, Kowloon Tong, Hong Kong
| | - Xue Bai
- Institute of Active Ageing, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
- Department of Applied Social Sciences, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
| | - Jessica Li
- Department of Applied Social Sciences, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
| | - Zhi Zou
- Department of Sports and Health, Guangzhou Sport University, Tian He Bei, Tianhe District, Guangzhou, Guangdong Province, China
| | - Chetwyn C.H. Chan
- Department of Psychology, The Education University of Hong Kong, Tai Po, New Territories, Hong Kong
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Ren Y, Li H, Li Y, Wang T, Yang W. Visual Perceptual Load Attenuates Age-Related Audiovisual Integration in an Audiovisual Discrimination Task. Front Psychol 2021; 12:740221. [PMID: 34659055 PMCID: PMC8511317 DOI: 10.3389/fpsyg.2021.740221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 08/23/2021] [Indexed: 11/16/2022] Open
Abstract
Previous studies confirmed that the cognitive resources are limited for each person, and perceptual load affects the detection of stimulus greatly; however, how the visual perceptual load influences audiovisual integration (AVI) is still unclear. Here, 20 older and 20 younger adults were recruited to perform an auditory/visual discrimination task under various visual perceptual-load conditions. The analysis for the response times revealed a significantly faster response to the audiovisual stimulus than to the visual stimulus or auditory stimulus (all p < 0.001), and a significantly slower response by the older adults than by the younger adults to all targets (all p ≤ 0.024). The race-model analysis revealed a higher AV facilitation effect for older (12.54%) than for younger (7.08%) adults under low visual perceptual-load conditions; however, no obvious difference was found between younger (2.92%) and older (3.06%) adults under medium visual perceptual-load conditions. Only the AV depression effect was found for both younger and older adults under high visual perceptual-load conditions. Additionally, the peak latencies of AVI were significantly delayed in older adults under all visual perceptual-load conditions. These results suggested that visual perceptual load decreased AVI (i.e., depression effects), and the AVI effect was increased but delayed for older adults.
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Affiliation(s)
- Yanna Ren
- Department of Psychology, College of Humanities and Management, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Hannan Li
- University Science Park Management Center, Guiyang University, Guiyang, China
| | - Yan Li
- Department of Psychology, College of Humanities and Management, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Tao Wang
- Department of Light and Chemical Engineering, Guizhou Light Industry Technical College, Guiyang, China
| | - Weiping Yang
- Department of Psychology, Faculty of Education, Hubei University, Wuhan, China
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Wong MNK, Lai DWL, Chan HHL, Lam BYH. Neural and Retinal Characteristics in Relation to Working Memory in Older Adults with Mild Cognitive Impairment. Curr Alzheimer Res 2021; 18:185-195. [PMID: 34102976 DOI: 10.2174/1567205018666210608114044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 03/10/2021] [Accepted: 04/18/2021] [Indexed: 11/22/2022]
Abstract
OBJECTIVE This study investigated the relationship between neural activities and retinal structures associated with working memory (WM) in older adults with mild cognitive impairment (MCI). METHODS Eleven older adults with MCI and 29 healthy controls (60 to 73 years old) were tested. All participants underwent an event-related potential (ERP) recording while performing the two-back memory task. The Optical coherence tomography angiography (OCT-A) was administered to examine the perfusion and vessel density in the retina. RESULTS Results showed that WM performance in the MCI group was negatively associated with ERP latencies in central parietal regions (CP6 and CP8) (ps< 0.05). The left nasal vessel and perfusion densities were negatively correlated with the latencies in these two central parietal regions and positively related to WM performance only in the MCI group (ps< 0.05). CONCLUSION The findings on WM, central parietal brain activity, and left nasal vessel and perfusion densities in the retina help us gain a better understanding of the neural and retinal underpinnings of WM in relation to MCI.
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Affiliation(s)
- Mabel N K Wong
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, 11 Yuk Choi Rd, Hung Hom, Hong Kong
| | - Daniel W L Lai
- Faculty of Social Sciences, Hong Kong Baptist University, 224 Waterloo Rd, Kowloon Tong, Hong Kong
| | - Henry H-L Chan
- School of Optometry, The Hong Kong Polytechnic University, 11 Yuk Choi Rd, Hung Hom, Hong Kong
| | - Bess Y-H Lam
- Department of Psychiatry, The University of Hong Kong, Pok Fu Lam, Hong Kong
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Disabilities of the arms, pinch strength, and mild cognitive impairment in patients with coronary artery disease. J Cardiol 2020; 77:300-306. [PMID: 33121796 DOI: 10.1016/j.jjcc.2020.10.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 09/27/2020] [Accepted: 09/29/2020] [Indexed: 11/24/2022]
Abstract
BACKGROUND We aimed to examine the relationship between the difficulty of activity using the arms and mild cognitive impairment (MCI), the relationship between the difficulty of activity using the arms and manual function, and cognitive function in patients with coronary artery disease (CAD). METHODS We conducted a cross-sectional study of 263 non-dementia patients who met the study criteria from 2328 CAD patients. MCI was estimated with the Japanese version of the Montreal Cognitive Assessment (MoCA-J). The difficulty of activity using the arms was evaluated using the Disability of the Arm, Shoulder, Disability of the Arm, Shoulder and Hand and Hand (DASH) questionnaire. Manual function was evaluated by pinch strength and handgrip strength. RESULTS Age (odds ratio, 1.10), three-fingered pinch strength (odds ratio, 0.69), and DASH score (odds ratio, 1.03) were independently associated with MCI in the multivariable logistic regression analysis. Hemoglobin (β=-0.15), handgrip strength (β=-0.37), and MoCA-J score (β=-0.15) were independently associated with DASH score (Model 1: p<0.001, adjusted R2=0.33); hemoglobin (β=-0.17), eGFR (β=-0.14), three-fingered pinch strength (β=-0.25), and MoCA-J score (β=-0.14) were independently associated with DASH score in the multivariate regression analysis (Model 2: p<0.001, adjusted R2=0.31). CONCLUSIONS The difficulty of activity using the arms was independently associated with manual and cognitive function and MCI in CAD patients.
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REN Y, XU Z, WANG T, YANG W. AGE-RELATED ALTERATIONS IN AUDIOVISUAL INTEGRATION: A BRIEF OVERVIEW. PSYCHOLOGIA 2020. [DOI: 10.2117/psysoc.2020-a002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Yanna REN
- Guizhou University of Chinese Medicine
| | - Zhihan XU
- Okayama University
- Ningbo University of Technology
| | - Tao WANG
- Guizhou Light Industry Technical College
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