Motivation has been defined as the process that allows organisms to regulate their internal
and external environment, and control the probability, proximity and availability of stimuli. As …

Parkinson disease (PD) is a neurodegenerative disorder characterized by progressive motor
and nonmotor impairments. These impairments incline many patients towards a sedentary …

Patients with Parkinson's disease (PD) are likely to become physically inactive, because of
their motor, mental, and emotional symptoms. However, specific studies on physical activity …

The brain plays a major role in regulating physical activity behavior and exercise
performance. Regular physical activity may also play a key role in the prevention and …

Purpose To critically appraise, compare and summarize the measurement properties of self-
report fatigue questionnaires validated in patients with multiple sclerosis (MS), Parkinson's …

Objective: To assess in a noninterventional setting the prevalence and severity of fatigue in
patients with Parkinson disease (PD). Methods: This was a cross-sectional study conducted …

Background: Fatigue is one of the most commonly reported symptoms in primary care and
perceived by older people as an overwhelming and distressing experience that restricts their …

Purpose. Our aims were to:(1) describe participation in people with Parkinson disease
(PD),(2) evaluate the relationship between quality of life and participation and (3) determine …

INTRODUCTION: The Multidimensional Fatigue Inventory (MFI) is commonly used in
patients with Parkinson's disease (PD). However, most measurement properties have not …

Individuals with Parkinson's disease (PD) often experience cognitive declines. Although
pharmacologic therapies are helpful in treating motor deficits in PD, they do not appear to be …