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Tiny bleeds in the brain are associated with cognitive impairment in Parkinson’s disease and risk of Parkinson’s disease dementia (PDD), a Japanese study has found. The research, “The presence of cerebral microbleeds is associated with cognitive impairment in Parkinson’s disease,” was published in the Journal of…

Low-frequency subthalamic deep brain stimulation (STN-DBS), but not high-frequency STN-DBS, reduces freezing of gait in Parkinson’s patients while preserving their ability to simultaneously process motor and cognitive information, a recent study shows. The study, “Decreasing subthalamic deep brain stimulation frequency reverses cognitive interference during gait initiation in…

Alpha-synuclein (aSyn), a protein linked to Parkinson’s disease and dementia with Lewy bodies (DLB), exerts its harmful effects by disrupting the normal function of protein production, a study has found. This sheds light on the involvement of the aSyn protein in Parkinson’s disease, confirming its potential as a…

Communication difficulties are caused by motor and/or cognitive impairment in people with Parkinson’s disease, a review study highlights. An interdisciplinary approach to assess changes in patients’ daily communications may help detect and monitor motor and cognitive symptoms in this population. The review, “Communication impairment in Parkinson’s disease: Impact…