Subjective memory decline in Parkinson's disease patients with and without fatigue

Introduction Previous studies on Parkinson's disease (PD) have shown that memory complaints and fatigue co-occur since premotor stages of disease, but whether Subjective Memory Decline (SMD, defined as memory complaints with normal objective cognitive performance) and fatigue were associated in PD has not been explored yet. Methods One-hundred PD patients underwent measures of memory complaints (Multifactorial Memory Questionnaire, MMQ),...