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Wang J, Li Y, Wang Y, Wang C, Qie S, Jin Z, Du W. Comparison of different rhythmic auditory stimuli on prefrontal cortex cortical activation during upper limb movement in patients with Parkinson's disease: a functional near-infrared spectroscopy study. Front Neurol 2024; 15:1336268. [PMID: 38476192 PMCID: PMC10927970 DOI: 10.3389/fneur.2024.1336268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 01/30/2024] [Indexed: 03/14/2024] Open
Abstract
Background A large number of literatures show that rhythmic auditory stimulation (RAS) can effectively improve Parkinson's disease (PD) patients' gait speed, frequency and speed. Its application and curative effect on upper limb motor function is relatively few. Objective By studying the immediate effect of RAS with different rhythms on the prefrontal cortex (PFC) blood oxygen response during upper limb movement in PD patients, this study discusses the potential neurophysiological mechanism of RAS on upper limb movement in PD patients, which is expected to provide guidance for patients with upper limb dysfunction such as Parkinson's disease. Methods In this study, 31 PD patients with upper limb static tremors were recruited to complete the nail board task on the healthy upper limb under the baseline rhythm, slow rhythm and fast rhythm provided by the therapist. At the same time, fNIRS was used to observe the blood oxygen response of PFC. Results There was no significant main effect onsidein all brain regions (p > 0.05), and there was no interaction between rhythm and side (p > 0.05); Except lPFC, the main effect of rhythm in other brain regions was significant (p < 0.05), and ΔHbO increased with the change of rhythm. Paired analysis showed that there were significant differences in ΔHbO between slow rhythm and baseline rhythm, between fast rhythm and baseline rhythm, and between slow rhythm and fast rhythm (p < 0.05); The ΔHbO of rPFC, lDLPFC and rDLPFC were significantly different between slow rhythm and fast rhythm (p < 0.05); there were significant differences in the ΔHbO of BA8 between slow rhythm and baseline rhythm, and between slow rhythm and fast rhythm (p < 0.05). Conclusion RAS may be a useful upper limb rehabilitation strategy for PD patients with upper limb dysfunction. At the same time, RAS with different rhythms also have different responses to PFC blood oxygen during upper limb movement in PD patients, so that we can design interventions for this kind of cortical mechanism. Identifying the neurophysiological mechanism of RAS on upper limb movement in PD patients may help clinicians customize rehabilitation methods for patients according to clues, so as to highly personalize upper limb training and optimize its effect.
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Affiliation(s)
- Jie Wang
- Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
| | - Yingqi Li
- Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
| | - Yingpeng Wang
- Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
| | - Congxiao Wang
- Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
| | - Shuyan Qie
- Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
| | - Zhaohui Jin
- Parkinson Medical Center, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
| | - Wenjun Du
- Parkinson Medical Center, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
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Robin L, Fernandez L, Robert MT, Hermand E, Gelineau A, Mandigout S. Influence of daily physical activity on fine motor skills of adults around a Fitts task. Folia Med (Plovdiv) 2023; 65:950-957. [PMID: 38351785 DOI: 10.3897/folmed.65.e103060] [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: 03/06/2023] [Accepted: 08/24/2023] [Indexed: 02/16/2024] Open
Abstract
INTRODUCTION Achieving our daily tasks depends on the speed-accuracy conflict. Physical activity plays a role in the development of our motor skills. However, the relationship between physical activity level (PAL) and fine motor skills remains largely unexplored.
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Chakroun K, Wiehler A, Wagner B, Mathar D, Ganzer F, van Eimeren T, Sommer T, Peters J. Dopamine regulates decision thresholds in human reinforcement learning in males. Nat Commun 2023; 14:5369. [PMID: 37666865 PMCID: PMC10477234 DOI: 10.1038/s41467-023-41130-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 08/22/2023] [Indexed: 09/06/2023] Open
Abstract
Dopamine fundamentally contributes to reinforcement learning, but recent accounts also suggest a contribution to specific action selection mechanisms and the regulation of response vigour. Here, we examine dopaminergic mechanisms underlying human reinforcement learning and action selection via a combined pharmacological neuroimaging approach in male human volunteers (n = 31, within-subjects; Placebo, 150 mg of the dopamine precursor L-dopa, 2 mg of the D2 receptor antagonist Haloperidol). We found little credible evidence for previously reported beneficial effects of L-dopa vs. Haloperidol on learning from gains and altered neural prediction error signals, which may be partly due to differences experimental design and/or drug dosages. Reinforcement learning drift diffusion models account for learning-related changes in accuracy and response times, and reveal consistent decision threshold reductions under both drugs, in line with the idea that lower dosages of D2 receptor antagonists increase striatal DA release via an autoreceptor-mediated feedback mechanism. These results are in line with the idea that dopamine regulates decision thresholds during reinforcement learning, and may help to bridge action selection and response vigor accounts of dopamine.
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Affiliation(s)
- Karima Chakroun
- Institute for Systems Neuroscience, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Antonius Wiehler
- Motivation, Brain and Behavior Lab, Paris Brain Institute (ICM), Pitié-Salpêtrière Hospital, Paris, France
| | - Ben Wagner
- Chair of Cognitive Computational Neuroscience, Technical University Dresden, Dresden, Germany
| | - David Mathar
- Department of Psychology, Biological Psychology, University of Cologne, Cologne, Germany
| | - Florian Ganzer
- Integrated Psychiatry Winterthur, Winterthur, Switzerland
| | - Thilo van Eimeren
- Multimodal Neuroimaging Group, Department of Nuclear Medicine, University Medical Center Cologne, Cologne, Germany
| | - Tobias Sommer
- Institute for Systems Neuroscience, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jan Peters
- Institute for Systems Neuroscience, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
- Department of Psychology, Biological Psychology, University of Cologne, Cologne, Germany.
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Wilkes BJ, Tobin ER, Arpin DJ, Wang WE, Okun MS, Jaffee MS, McFarland NR, Corcos DM, Vaillancourt DE. Distinct cortical and subcortical predictors of Purdue Pegboard decline in Parkinson's disease and atypical parkinsonism. NPJ Parkinsons Dis 2023; 9:85. [PMID: 37277372 PMCID: PMC10241903 DOI: 10.1038/s41531-023-00521-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 05/15/2023] [Indexed: 06/07/2023] Open
Abstract
Objective measures of disease progression are critically needed in research on Parkinson's disease (PD) and atypical Parkinsonism but may be hindered by both practicality and cost. The Purdue Pegboard Test (PPT) is objective, has high test-retest reliability, and has a low cost. The goals of this study were to determine: (1) longitudinal changes in PPT in a multisite cohort of patients with PD, atypical Parkinsonism, and healthy controls; (2) whether PPT performance reflects brain pathology revealed by neuroimaging; (3) quantify kinematic deficits shown by PD patients during PPT. Parkinsonian patients showed a decline in PPT performance that correlated with motor symptom progression, which was not seen in controls. Neuroimaging measures from basal ganglia were significant predictors of PPT performance in PD, whereas cortical, basal ganglia, and cerebellar regions were predictors for atypical Parkinsonism. Accelerometry in a subset of PD patients showed a diminished range of acceleration and irregular patterns of acceleration, which correlated with PPT scores.
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Affiliation(s)
- Bradley J Wilkes
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA.
| | - Emily R Tobin
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA
| | - David J Arpin
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA
| | - Wei-En Wang
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA
| | - Michael S Okun
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Michael S Jaffee
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Nikolaus R McFarland
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Daniel M Corcos
- Department of Physical Therapy and Human Movement Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - David E Vaillancourt
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
- Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
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Huo H, Liu X, Tang Z, Dong Y, Zhao D, Chen D, Tang M, Qiao X, Du X, Guo J, Wang J, Fan Y. Interhemispheric multisensory perception and Bayesian causal inference. iScience 2023; 26:106706. [PMID: 37250338 PMCID: PMC10214730 DOI: 10.1016/j.isci.2023.106706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 02/07/2023] [Accepted: 04/17/2023] [Indexed: 05/31/2023] Open
Abstract
In daily life, our brain needs to eliminate irrelevant signals and integrate relevant signals to facilitate natural interactions with the surrounding. Previous study focused on paradigms without effect of dominant laterality and found that human observers process multisensory signals consistent with Bayesian causal inference (BCI). However, most human activities are of bilateral interaction involved in processing of interhemispheric sensory signals. It remains unclear whether the BCI framework also fits to such activities. Here, we presented a bilateral hand-matching task to understand the causal structure of interhemispheric sensory signals. In this task, participants were asked to match ipsilateral visual or proprioceptive cues with the contralateral hand. Our results suggest that interhemispheric causal inference is most derived from the BCI framework. The interhemispheric perceptual bias may vary strategy models to estimate the contralateral multisensory signals. The findings help to understand how the brain processes the uncertainty information coming from interhemispheric sensory signals.
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Affiliation(s)
- Hongqiang Huo
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Xiaoyu Liu
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
- State Key Laboratory of Virtual Reality Technology and Systems, Beihang University, Beijing 100083, China
| | - Zhili Tang
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Ying Dong
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Di Zhao
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Duo Chen
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Min Tang
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Xiaofeng Qiao
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Xin Du
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Jieyi Guo
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Jinghui Wang
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Yubo Fan
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
- School of Medical Science and Engineering Medicine, Beihang University, Beijing 100083, China
- State Key Laboratory of Virtual Reality Technology and Systems, Beihang University, Beijing 100083, China
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Abstract
concepts can potentially be represented using metaphorical mappings to concrete domains. This view predicts that when linguistic metaphors are processed, they will invoke sensory-motor simulations. Here, I examine evidence from neuroimaging and lesion studies that addresses whether metaphors in language are embodied in this manner. Given the controversy in this area, I first outline some criteria by which the quality of neuroimaging and lesion studies might be evaluated. I then review studies of metaphors in various sensory-motor domains, such as action, motion, texture, taste, and time, and examine their strengths and weaknesses. Studies of idioms are evaluated next. I also address some neuroimaging studies that can speak to the question of metaphoric conceptual organization without explicit use of linguistic metaphors. I conclude that the weight of the evidence suggests that metaphors are indeed grounded in sensory-motor systems. The case of idioms is less clear, and I suggest that they might be grounded in a qualitatively different manner than metaphors at higher levels of the action hierarchy. While metaphors are unlikely to explain all aspects of abstract concept representation, for some specific abstract concepts, there is also nonlinguistic neural evidence for metaphoric conceptual organization.
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Affiliation(s)
- Rutvik H Desai
- Department of Psychology, Institute for Mind and Brain, University of South Carolina, Discovery I Building, Rm 227, 915 Greene St, Columbia, SC, 29208, USA.
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Effects of rhythmic auditory stimulation on upper-limb movements in patients with Parkinson's disease. Parkinsonism Relat Disord 2022; 101:27-30. [PMID: 35763906 DOI: 10.1016/j.parkreldis.2022.06.020] [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: 04/19/2022] [Revised: 06/20/2022] [Accepted: 06/20/2022] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Rhythmic auditory stimulation (RAS) is an effective technique extensively used to alleviate lower-limb bradykinesia in patients with Parkinson's disease (PD). However, RAS effects on upper-limb bradykinesia have not been well studied. This study investigated immediate effects of RAS on upper-limb movements in PD patients and healthy people. METHODS PD patients (n = 23) and age- and gender-matched healthy controls (n = 23) executed left-hand, right-hand, and both-hand movement tasks of the Purdue Pegboard Test when listening to the beats of RAS, including 100%, 110%, and 120% of the baseline tempo, which was fastest movement performance of each participant without the aid of RAS. Sequence of RAS and tasks was randomized for each participant. RESULTS PD patients had slower upper-limb movements than did health controls. An interaction was found between RAS and tasks. In both patients and controls and for all task conditions, 120%RAS induced higher scores than did 110% RAS, and the latter induced higher scores than did 100%RAS. In both patients and controls and for all RAS conditions, the right-hand condition induced higher scores than did the left-hand condition, and the latter induced higher scores than did the both-hand condition. CONCLUSIONS RAS was effective in regulating upper-limb movements in PD patients, which may be explained by rich neural connections between auditory and motor cortical areas in humans. Clinical practitioners should consider using RAS in clinical therapy. Future neuroimaging studies are needed to explore neural mechanisms of RAS in PD patients.
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Novel insights into the effects of levodopa on the up- and downstrokes of writing sequences. J Neural Transm (Vienna) 2022; 129:379-386. [PMID: 35357564 DOI: 10.1007/s00702-022-02493-6] [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: 02/02/2022] [Accepted: 03/16/2022] [Indexed: 10/18/2022]
Abstract
Motor control of automatized and overlearned sequences, such as writing, is affected in Parkinson's disease (PD), impacting patients' daily life. Medication effects on motor performance are not only task-specific, but also variable within tasks. The nature of this variance is still unclear. This study aimed to investigate whether medication affects writing sequences differently when producing up- or downstrokes. Writing was assessed in healthy controls (HC) (N = 31) and PD (N = 32), when ON and OFF medication in a randomized order (interspersed by two months). Subjects wrote a sequential pattern with an increasing size on a digital tablet. Writing outcomes were movement vigor (amplitude and velocity), error and end-point variability, and sequence continuation, calculated separately for up- and downstrokes. Results showed that PD patients OFF-medication reduced movement vigor (amplitude) for up- and downstrokes compared to HC. Clear deficits were found for up- but not for downstroke error in PD patients in OFF, suggesting a directional bias. Dopaminergic medication improved motor vigor by increasing writing amplitude and upstroke continuation, but this occurred at the cost of the downstroke trajectory. Other writing outcomes did not improve with medication intake. In conclusion, we interpret these findings as that the impact of dopamine is complex, highly task-specific, supporting the most highly energy demanding components of a writing sequence. As medication did not regulate downstroke writing, we recommend supplementary training to address task demands that were less modulated by dopamine (registration: https://osf.io/gk5q8/ , 17 July 2018).
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Reverse Visually Guided Reaching in Patients with Parkinson’s Disease. PARKINSON'S DISEASE 2022; 2022:8132923. [PMID: 35386952 PMCID: PMC8979744 DOI: 10.1155/2022/8132923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 01/11/2022] [Accepted: 02/22/2022] [Indexed: 11/18/2022]
Abstract
In addition to motor symptoms such as difficulty in movement initiation and bradykinesia, patients with Parkinson’s disease (PD) display nonmotor executive cognitive dysfunction with deficits in inhibitory control. Preoperative psychological assessments are used to screen for impulsivity that may be worsened by deep brain stimulation (DBS) of the subthalamic nucleus (STN). However, it is unclear whether anti-Parkinson’s therapy, such as dopamine replacement therapy (DRT) or DBS, which has beneficial effects on motor function, adversely affects inhibitory control or its domains. The detrimental effects of STN-DBS are more apparent when tasks test the inhibition of habitual prepotent responses or involve complex cognitive loads. Our goal was to use a reverse visually guided reaching (RVGR) task, a hand-based version of the antisaccade task, to simultaneously measure motor performance and response inhibition in subjects with PD. We recruited 55 healthy control subjects, 26 PD subjects receiving treatment with DRTs, and 7 PD subjects receiving treatment with STN-DBS and DRTs. In the RVGR task, a cursor moved opposite to the subject’s hand movement. This was compared to visually guided reaching (VGR) where the cursor moved in the same direction as the subject’s hand movement. Reaction time, mean speed, and direction errors (in RVGR) were assessed. Reaction times were longer, and mean speeds were slower during RVGR compared to VGR in all three groups but worse in untreated subjects with PD. Treatment with DRTs, DBS, or DBS + DRT improved the reaction time and speed on the RVGR task to a greater extent than VGR. Additionally, DBS or DBS + DRT demonstrated an increase in direction errors, which was correlated with decreased reaction time. These results show that the RVGR task quantifies the benefit of STN-DBS on bradykinesia and the concomitant reduction of proactive inhibitory control. The RVGR task has the potential to be used to rapidly screen for preoperative deficits in inhibitory control and to titrate STN-DBS, to maximize the therapeutic benefits on movement, and minimize impaired inhibitory control.
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Kim H, Kim HK, Kim N, Nam CS. Dual Task Effects on Speed and Accuracy During Cognitive and Upper Limb Motor Tasks in Adults With Stroke Hemiparesis. Front Hum Neurosci 2021; 15:671541. [PMID: 34220473 PMCID: PMC8250862 DOI: 10.3389/fnhum.2021.671541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 05/12/2021] [Indexed: 11/13/2022] Open
Abstract
Background Adults with stroke need to perform cognitive-motor dual tasks during their day-to-day activities. However, they face several challenges owing to their impaired motor and cognitive functions. Objective This case-controlled pilot study investigates the speed and accuracy tradeoffs in adults with stroke while performing cognitive-upper limb motor dual tasks. Methods Ten adults with stroke and seven similar-aged controls participated in this study. The participants used a robotic arm for the single motor task and participated in either the serial sevens (S7) or the controlled oral word association test (COWAT) for single-cognitive task. For the dual task, the participants performed the motor and cognitive components simultaneously. Their speed and accuracy were measured for the motor and cognitive tasks, respectively. Results Two-sample t-statistics indicated that the participants with stroke exhibited a lower motor accuracy in the cross task than in the circle task. The cognitive speed and motor accuracy registered by the subjects with stroke in the dual task significantly decreased. There was a negative linear correlation between motor speed and accuracy in the subjects with stroke when the COWAT task was performed in conjunction with the cross task (ρ = -0.6922, p = 0.0388). Conclusions This study proves the existence of cognitive-upper limb motor interference in adults with stroke while performing dual tasks, based on the observation that their performance during one or both dual tasks deteriorated compared to that during the single task. Both speed and accuracy were complementary parameters that may indicate clinical effectiveness in motor and cognitive outcomes in individuals with stroke.
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Affiliation(s)
- Hogene Kim
- Department of Clinical Rehabilitation Research, National Rehabilitation Center, Seoul, South Korea
| | - Hyun-Ki Kim
- Department of Clinical Rehabilitation Research, National Rehabilitation Center, Seoul, South Korea
| | - Nayoung Kim
- Department of Industrial Engineering, North Carolina State University, Raleigh, NC, United States
| | - Chang S Nam
- Department of Industrial Engineering, North Carolina State University, Raleigh, NC, United States
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De Vleeschhauwer J, Broeder S, Janssens L, Heremans E, Nieuwboer A, Nackaerts E. Impaired Touchscreen Skills in Parkinson's Disease and Effects of Medication. Mov Disord Clin Pract 2021; 8:546-554. [PMID: 33981787 PMCID: PMC8088105 DOI: 10.1002/mdc3.13179] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 01/16/2021] [Accepted: 02/10/2021] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND Deficits in fine motor skills may impair device manipulation including touchscreens in people with Parkinson's disease (PD). OBJECTIVES To investigate the impact of PD and anti-parkinsonian medication on the ability to use touchscreens. METHODS Twelve PD patients (H&Y II-III), OFF and ON medication, and 12 healthy controls (HC) performed tapping, single and multi-direction sliding tasks on a touchscreen and a mobile phone task (MPT). Task performance was compared between patients (PD-OFF, PD-ON) and HC and between medication conditions. RESULTS Significant differences were found in touchscreen timing parameters, while accuracy was comparable between groups. PD-OFF needed more time than HC to perform single (P = 0.048) and multi-direction (P = 0.004) sliding tasks and to grab the dot before sliding (i.e., transition times) (P = 0.040; P = 0.004). For tapping, dopaminergic medication significantly increased performance times (P = 0.046) to comparable levels as those of HC. However, for the more complex multi-direction sliding, movement times remained slower in PD than HC irrespective of medication intake (P < 0.050 during ON and OFF). The transition times for the multi-direction sliding task was also higher in PD-ON than HC (P = 0.048). Touchscreen parameters significantly correlated with MPT performance, supporting the ecological validity of the touchscreen tool. CONCLUSIONS PD patients show motor problems when manipulating touchscreens, even when optimally medicated. This hinders using mobile technology in daily life and has implications for developing adequate E-health applications for this group. Future work needs to establish whether touchscreen training is effective in PD.
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Affiliation(s)
- Joni De Vleeschhauwer
- KU Leuven, Department of Rehabilitation SciencesResearch Group for Neurorehabilitation (eNRGy)LeuvenBelgium
| | - Sanne Broeder
- KU Leuven, Department of Rehabilitation SciencesResearch Group for Neurorehabilitation (eNRGy)LeuvenBelgium
| | - Luc Janssens
- KU Leuven, Group T Campus, Electrical Engineering Technology (ESAT)LeuvenBelgium
| | - Elke Heremans
- Faculty of Rehabilitation SciencesHasselt University, REVALDiepenbeekBelgium
| | - Alice Nieuwboer
- KU Leuven, Department of Rehabilitation SciencesResearch Group for Neurorehabilitation (eNRGy)LeuvenBelgium
| | - Evelien Nackaerts
- KU Leuven, Department of Rehabilitation SciencesResearch Group for Neurorehabilitation (eNRGy)LeuvenBelgium
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Use of a Smartphone to Gather Parkinson's Disease Neurological Vital Signs during the COVID-19 Pandemic. PARKINSONS DISEASE 2021; 2021:5534282. [PMID: 33868630 PMCID: PMC8035908 DOI: 10.1155/2021/5534282] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/25/2021] [Accepted: 03/26/2021] [Indexed: 11/17/2022]
Abstract
Introduction To overcome travel restrictions during the COVID-19 pandemic, consumer-based technology was rapidly deployed to the smartphones of individuals with Parkinson's disease (PD) participating in a 12-month exercise trial. The aim of the project was to determine the feasibility of utilizing a combined synchronous and asynchronous self-administered smartphone application to characterize PD symptoms. Methods A synchronous video virtual visit was completed for the administration of virtual Movement Disorder Society-Unified Parkinson's Disease Rating Scale III (vMDS-UPDRS III). Participants asynchronously completed a mobile application consisting of a measure of upper extremity bradykinesia (Finger Tapping Test) and information processing. Results Twenty-three individuals completed the assessments. The mean vMDS-UPDRS III was 23.65 ± 8.56 points. On average, the number of taps was significantly greater for the less affected limb, 97.96 ± 17.77 taps, compared to the more affected, 89.33 ± 18.66 taps (p = 0.025) with a significantly greater number of freezing episodes for the more affected limb (p < 0.05). Correlation analyses indicated the number of errors and the number of freezing episodes were significantly related to clinical ratings of vMDS-UPDRS III bradykinesia (Rho = 0.44, p < 0.01; R = 0.43, p < 0.01, resp.) and finger tapping performance (Rho = 0.31, p = 0.03; Rho = 0.32, p = 0.03, resp.). Discussion. The objective characterization of bradykinesia, akinesia, and nonmotor function and their relationship with clinical disease metrics indicate smartphone technology provides a remote method of characterizing important aspects of PD performance. While theoretical and position papers have been published on the potential of telemedicine to aid in the management of PD, this report translates the theory into a viable reality.
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Chen Y, Poole MC, Olesovsky SV, Champagne AA, Harrison KA, Nashed JY, Coverdale NS, Scott SH, Cook DJ. Robotic Assessment of Upper Limb Function in a Nonhuman Primate Model of Chronic Stroke. Transl Stroke Res 2021; 12:569-580. [PMID: 33393055 DOI: 10.1007/s12975-020-00859-0] [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: 03/16/2020] [Revised: 07/30/2020] [Accepted: 09/29/2020] [Indexed: 11/29/2022]
Abstract
Stroke is a leading cause of death and disability worldwide and survivors are frequently left with long-term disabilities that diminish their autonomy and result in the need for chronic care. There is an urgent need for the development of therapies that improve stroke recovery, as well as accurate and quantitative tools to measure function. Nonhuman primates closely resemble humans in neuroanatomy and upper limb function and may be crucial in randomized pre-clinical trials for testing the efficacy of stroke therapies. To test the feasibility of robotic assessment of motor function in a NHP model of stroke, two cynomolgus macaques were trained to perform a visually guided reaching task and were also assessed in a passive stretch task using the Kinarm robot. Strokes were then induced in these animals by transiently occluding the middle cerebral artery, and their motor performance on the same tasks was assessed after recovery. Relative to pre-stroke performance, post-stroke hand movements of the affected limb became slower and less accurate. Regression analyses revealed both recovered and compensatory movements to complete movements in different spatial directions. Lastly, we noted decreased range of motion in the elbow joint of the affected limb post-stroke associated with spasticity during passive stretch. Taken together, these studies highlight that sensorimotor deficits in reaching movements following stroke in cynomolgus macaques resemble those in human patients and validate the use of robotic assessment tools in a nonhuman primate model of stroke for identifying and characterizing such deficits.
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Affiliation(s)
- Yining Chen
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada
| | - Meredith C Poole
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada
| | - Shelby V Olesovsky
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada
| | - Allen A Champagne
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada
| | | | - Joseph Y Nashed
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada
| | - Nicole S Coverdale
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada
| | - Stephen H Scott
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada
| | - Douglas J Cook
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada. .,Division of Neurosurgery, Department of Surgery, Kingston General Hospital, Kingston, ON, Canada.
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