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The role of the somatosensory cortex in self-paced movement impairment in Parkinson's disease.
Clin Neurophysiol
January 2025
Brain and Mind Research Program, Central European Institute of Technology, Masaryk University, Brno, Czech Republic; First Department of Neurology, Masaryk University School of Medicine, St. Anne's Hospital, Brno, Czech Republic. Electronic address:
Objective: The aim of this work was to study the differences at the whole-brain level between self-paced and cued movement processing in Parkinson's disease (PD).
Methods: High density electroencephalogram (HD-EEG) was recorded during the performance of self-paced movements (Bereitschaftspotential - BP) and visually cued movements (VMT) in PD patients (n = 38) and in a group of healthy controls (HC, n = 23). Oscillatory changes in the alpha, beta, and gamma frequencies were evaluated and correlated to the clinical scales- MDS-UPDRS and Freezing of Gait Questionnaire (FOGQ).
Performance of a Two-Week Rehabilitation Improves Motor Function in Inpatients with Progressive Supranuclear Palsy: A Pre-Post Study.
Brain Sci
January 2025
Department of Neurology, NHO Higashinagoya National Hospital, Nagoya 465-8620, Japan.
: Progressive supranuclear palsy (PSP) is characterized by early postural instability and gait dysfunction, with frequent falls. Rehabilitation is an important therapeutic approach for motor dysfunction in patients with PSP. However, no conclusions have yet been drawn regarding the beneficial effects of rehabilitation in PSP, including the optimal duration of rehabilitation and differences in treatment effects among PSP subtypes.
View Article and Find Full Text PDFCognitive impairment in PSP compared with PD: assessment by clinical subtype and longitudinal change.
BMJ Neurol Open
January 2025
Department of Neurology, National Hospital Organization Higashinagoya National Hospital, Nagoya, Japan.
Background: Longitudinal studies investigating cognitive function changes in patients with progressive supranuclear palsy (PSP) are limited. The variability of cognitive impairment across clinical subtypes of PSP remains unclear.
Objective: This study aimed to compare the longitudinal changes in cognitive function between patients with PSP and Parkinson's disease (PD) and to assess differences in cognitive impairment among PSP subtypes.
Postural instability and gait disturbance are associated with abnormal stereopsis in Parkinson's disease.
PLoS One
January 2025
Department of Neurology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea.
Background: Visual dysfunction, including abnormal stereopsis, is a significant non-motor symptom in Parkinson's disease (PD) that can reduce quality of life and appears early in the disease. Abnormal stereopsis is associated with worsening of bradykinesia and freezing of gait, though the exact pathways linking stereopsis to motor symptoms remain unclear. Furthermore, in PD patients, the pedunculopontine nucleus and laterodorsal tegmental complex play an active role in sensorimotor control, and these areas provide cholinergic projections.
View Article and Find Full Text PDFIs the freezing index a valid outcome to assess freezing of gait during turning in Parkinson's disease?
Front Neurol
January 2025
Department of Rehabilitation Sciences, Neurorehabilitation Research Group (eNRGy), KU Leuven, Leuven, Belgium.
Introduction: Freezing of gait (FOG) is a disabling symptom for people with Parkinson's disease (PwPD). Turning on the spot for one minute in alternating directions (360 turn) while performing a cognitive dual-task (DT) is a fast and sensitive way to provoke FOG. The FOG-index is a widely used wearable sensor-based algorithm to quantify FOG severity during turning.
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