NeuroPsy InfoHub adună studii și articole verificate editorial despre sănătate mintală și afecțiuni neurologice — pentru pacienți, familii și specialiști.
Researchers developed a method to identify which genetic networks discovered in model organisms (yeast, neurons, mice) are most relevant to human Parkinson's disease. This translational genetics approach bridges the gap between basic research findings and actual human disease mechanisms.
This cross-sectional study of 80 Parkinson's patients examined relationships between objectively measured daily physical activity (step count) and symptom severity using wearable devices over 6 weeks. Higher daily activity was associated with significantly reduced bradykinesia and paradoxically increased mild dyskinesia, supporting the role of physical activity in managing Parkinson's motor symptoms.
This study investigates the relationship between gray matter volume loss in Parkinson's disease psychosis (PDP) and brain expression of cannabinoid receptor genes, finding a significant association with CB1 but not CB2 receptor expression. The findings suggest the endocannabinoid system may play a role in PDP pathophysiology.
This review examines how wartime conditions—including traumatic brain injury, chronic stress, toxin exposure, and healthcare disruption—influence Parkinson's disease risk and management outcomes. The paper identifies critical gaps in knowledge regarding PD progression in conflict-affected populations and calls for evidence-based humanitarian protocols and telemedicine approaches for neurological care during conflict.
This study examined 191 patients with isolated REM sleep behavior disorder (IRBD, a prodromal phase of Parkinson's disease and related conditions) and found that 24.6% tested negative for misfolded α-synuclein in cerebrospinal fluid. Over 5 years of follow-up, α-synuclein-negative patients had significantly lower rates of progression to Parkinson's disease or dementia with Lewy bodies (10.6% vs 42.4%), suggesting they either represent a very early disease stage or have a non-synucleinopathy condition such as antidepressant-related side effects.
