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Li X, Shen M, Shen Z, Han Z, Jiao J, Tong X. Reading the mind in the eyes in patients with idiopathic REM sleep behavior disorder. Neurol Sci 2024; 45:2697-2703. [PMID: 38190083 DOI: 10.1007/s10072-024-07303-3] [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: 09/27/2023] [Accepted: 01/01/2024] [Indexed: 01/09/2024]
Abstract
OBJECTIVES Idiopathic rapid eye movement (REM) sleep behavior disorder (iRBD) is characterized by vocalizations, jerks, and motor behaviors during REM sleep, often associated with REM-related dream content, which is considered a prodromal stage of α-synucleinopathy. The results of the Reading the Mind in the Eyes (RME) reflecting affective Theory of Mind (ToM) are inconsistent in α-synucleinopathy. The present study tried to investigate the RME in patients with iRBD. METHODS A total of 35 patients with iRBD and 26 healthy controls were included in the study. All participants were administered the RME and the cognitive assessments according to a standard procedure. The patients with iRBD were further divided into two groups (high or low RME) according to the scores of the RME (> 21, or ≤ 20). RESULTS The patients with iRBD had worse scores on cognitive tests compared with healthy controls involving global cognitive screening, memory, and visuospatial abilities (p < 0.05), but the scores of the RME were similar between the two groups (20.83 ± 3.38, 20.58 ± 3.43) (p ˃ 0.05). Patients with low RME had more obvious cognitive impairments than healthy controls. After applying Bonferroni correction for multiple tests, the low REM group only performed worse on the Sum of trials 1 to 5 and delayed recall of the RAVLT compared with the healthy control group (p < 0.001, = 0.002). The RME correlated with the scores of cognitive tests involving executive function, attention, memory, and visuospatial function. CONCLUSIONS The changes in RME had a relationship with cognitive impairments, especially memory, in patients with iRBD.
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Affiliation(s)
- Xudong Li
- Department of Cognitive Disorder, Beijing Tiantan Hospital, Capital Medical University, Fengtai District, South 4th Ring Road West 119, Beijing, 100070, China.
- China National Clinical Research Center for Neurological Diseases, Beijing, China.
| | - Miaoxin Shen
- Department of Cognitive Disorder, Beijing Tiantan Hospital, Capital Medical University, Fengtai District, South 4th Ring Road West 119, Beijing, 100070, China
| | | | - Ziling Han
- Department of Cognitive Disorder, Beijing Tiantan Hospital, Capital Medical University, Fengtai District, South 4th Ring Road West 119, Beijing, 100070, China
| | - Jinsong Jiao
- Department of Neurology, China-Japan Friendship Hospital, Beijing, China
| | - Xiaopeng Tong
- Department of Microbiology and Immunology, Medical School, Xizang Minzu University, Xianyang, China
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Bălăeţ M, Alhajraf F, Zerenner T, Welch J, Razzaque J, Lo C, Giunchiglia V, Trender W, Lerede A, Hellyer PJ, Manohar SG, Malhotra P, Hu M, Hampshire A. Online cognitive monitoring technology for people with Parkinson's disease and REM sleep behavioural disorder. NPJ Digit Med 2024; 7:118. [PMID: 38714742 PMCID: PMC11076465 DOI: 10.1038/s41746-024-01124-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 04/23/2024] [Indexed: 05/10/2024] Open
Abstract
Automated online cognitive assessments are set to revolutionise clinical research and healthcare. However, their applicability for Parkinson's Disease (PD) and REM Sleep Behavioural Disorder (RBD), a strong PD precursor, is underexplored. Here, we developed an online battery to measure early cognitive changes in PD and RBD. Evaluating 19 candidate tasks showed significant global accuracy deficits in PD (0.65 SD, p = 0.003) and RBD (0.45 SD, p = 0.027), driven by memory, language, attention and executive underperformance, and global reaction time deficits in PD (0.61 SD, p = 0.001). We identified a brief 20-min battery that had sensitivity to deficits across these cognitive domains while being robust to the device used. This battery was more sensitive to early-stage and prodromal deficits than the supervised neuropsychological scales. It also diverged from those scales, capturing additional cognitive factors sensitive to PD and RBD. This technology offers an economical and scalable method for assessing these populations that can complement standard supervised practices.
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Affiliation(s)
- Maria Bălăeţ
- Department of Brain Sciences, Imperial College London, London, UK.
| | - Falah Alhajraf
- Oxford Parkinson's Disease Centre, Nuffield Department Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Tanja Zerenner
- Population Health Sciences, University of Bristol, Bristol, UK
| | - Jessica Welch
- Oxford Parkinson's Disease Centre, Nuffield Department Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Jamil Razzaque
- Oxford Parkinson's Disease Centre, Nuffield Department Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Christine Lo
- Oxford Parkinson's Disease Centre, Nuffield Department Clinical Neurosciences, University of Oxford, Oxford, UK
| | | | - William Trender
- Department of Brain Sciences, Imperial College London, London, UK
| | - Annalaura Lerede
- Department of Brain Sciences, Imperial College London, London, UK
| | - Peter J Hellyer
- Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Sanjay G Manohar
- Oxford Parkinson's Disease Centre, Nuffield Department Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Paresh Malhotra
- Department of Brain Sciences, Imperial College London, London, UK
| | - Michele Hu
- Oxford Parkinson's Disease Centre, Nuffield Department Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Adam Hampshire
- Department of Brain Sciences, Imperial College London, London, UK
- Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
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Janssen Daalen JM, Gerritsen A, Gerritse G, Gouman J, Meijerink H, Rietdijk LE, Darweesh SKL. How Lifetime Evolution of Parkinson's Disease Could Shape Clinical Trial Design: A Shared Patient-Clinician Viewpoint. Brain Sci 2024; 14:358. [PMID: 38672010 PMCID: PMC11048137 DOI: 10.3390/brainsci14040358] [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: 02/12/2024] [Revised: 03/22/2024] [Accepted: 03/27/2024] [Indexed: 04/28/2024] Open
Abstract
Parkinson's disease (PD) has a long, heterogeneous, pre-diagnostic phase, during which pathology insidiously accumulates. Increasing evidence suggests that environmental and lifestyle factors in early life contribute to disease risk and progression. Thanks to the extensive study of this pre-diagnostic phase, the first prevention trials of PD are being designed. However, the highly heterogenous evolution of the disease across the life course is not yet sufficiently taken into account. This could hamper clinical trial success in the advent of biological disease definitions. In an interdisciplinary patient-clinician study group, we discussed how an approach that incorporates the lifetime evolution of PD may benefit the design of disease-modifying trials by impacting population, target and outcome selection. We argue that the timepoint of exposure to risk and protective factors plays a critical role in PD subtypes, influencing population selection. In addition, recent developments in differential disease mechanisms, aided by biological disease definitions, could impact optimal treatment targets. Finally, multimodal biomarker panels using this lifetime approach will likely be most sensitive as progression markers for more personalized trials. We believe that the lifetime evolution of PD should be considered in the design of clinical trials, and that such initiatives could benefit from more patient-clinician partnerships.
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Affiliation(s)
- Jules M. Janssen Daalen
- Radboud University Medical Center, Donders Institute for Brain, Cognition and Behavior, Department of Neurology, Center of Expertise for Parkinson & Movement Disorders, 6525 GA Nijmegen, The Netherlands; (J.M.J.D.); (A.G.)
| | - Aranka Gerritsen
- Radboud University Medical Center, Donders Institute for Brain, Cognition and Behavior, Department of Neurology, Center of Expertise for Parkinson & Movement Disorders, 6525 GA Nijmegen, The Netherlands; (J.M.J.D.); (A.G.)
| | - Gijs Gerritse
- Dutch Parkinson’s Patient Association, P.O. Box 46, 3980 CA Bunnik, The Netherlands; (G.G.); (J.G.); (H.M.); (L.E.R.)
| | - Jan Gouman
- Dutch Parkinson’s Patient Association, P.O. Box 46, 3980 CA Bunnik, The Netherlands; (G.G.); (J.G.); (H.M.); (L.E.R.)
| | - Hannie Meijerink
- Dutch Parkinson’s Patient Association, P.O. Box 46, 3980 CA Bunnik, The Netherlands; (G.G.); (J.G.); (H.M.); (L.E.R.)
| | - Leny E. Rietdijk
- Dutch Parkinson’s Patient Association, P.O. Box 46, 3980 CA Bunnik, The Netherlands; (G.G.); (J.G.); (H.M.); (L.E.R.)
| | - Sirwan K. L. Darweesh
- Radboud University Medical Center, Donders Institute for Brain, Cognition and Behavior, Department of Neurology, Center of Expertise for Parkinson & Movement Disorders, 6525 GA Nijmegen, The Netherlands; (J.M.J.D.); (A.G.)
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Orso B, Brosse S, Frasnelli J, Arnaldi D. Opportunities and Pitfalls of REM Sleep Behavior Disorder and Olfactory Dysfunction as Early Markers in Parkinson's Disease. JOURNAL OF PARKINSON'S DISEASE 2024:JPD230348. [PMID: 38517805 DOI: 10.3233/jpd-230348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/24/2024]
Abstract
During its pre-motor stage, Parkinson's disease (PD) presents itself with a multitude of non-motor symptoms with different degrees of specificity and sensitivity. The most important among them are REM sleep behavior disorder (RBD) and olfactory dysfunction. RBD is a parasomnia characterized by the loss of REM sleep muscle atonia and dream-enacting behaviors. Olfactory dysfunction in individuals with prodromal PD is usually described as hyposmia (reduced sense of smell) or anosmia (complete loss of olfactory function). These symptoms can precede the full expression of motor symptoms by decades. A close comprehension of these symptoms and the underlying mechanisms may enable early screening as well as interventions to improve patients' quality of life. Therefore, these symptoms have unmatched potential for identifying PD patients in prodromal stages, not only allowing early diagnosis but potentially opening a window for early, possibly disease-modifying intervention. However, they come with certain challenges. This review addresses some of the key opportunities and pitfalls of both RBD and olfactory dysfunction as early markers of PD.
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Affiliation(s)
- Beatrice Orso
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), Clinical Neurology, University of Genoa, Genoa, Italy
| | - Sarah Brosse
- Department of Anatomy, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
- Research Center, Sacré-Coeur Hospital of Montreal, Montréal, Québec, Canada
| | - Johannes Frasnelli
- Department of Anatomy, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
- Research Center, Sacré-Coeur Hospital of Montreal, Montréal, Québec, Canada
| | - Dario Arnaldi
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), Clinical Neurology, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico S. Martino, Genoa, Italy
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