So-called idiopathic rapid eye movement (REM) sleep behaviour disorder (RBD), formerly
seen as a rare parasomnia, is now recognized as the prodromal stage of an α …

Parkinson's disease (PD) is a complex neurodegenerative disorder with no cure in sight.
Clinical challenges of the disease include the inability to make a definitive diagnosis at the …

Objective To determine the usefulness of dopamine transporter (DAT) imaging to identify
idiopathic rapid eye movement sleep behavior disorder (IRBD) patients at risk for short‐term …

Advances in molecular and structural and functional neuroimaging are rapidly expanding
the complexity of neurobiological understanding of Parkinson's disease (PD). This review …

Abstract Purpose of Review Since the formal discovery of rapid eye movement (REM) sleep
in 1953, we have gained a vast amount of knowledge regarding the specific populations of …

The process of neurodegeneration in Parkinson's disease begins long before the onset of
clinical motor symptoms, resulting in substantial cell loss by the time a diagnosis can be …

The presence of polysomnography-confirmed REM sleep behavior disorder (RBD) is the
stronger risk factor for having prodromal Parkinson disease (PD), followed by abnormal …

Sleep is an essential physiological process, especially for proper brain function through the
formation of new pathways and processing information and cognition. Therefore, when …

Most movement disorders in psychiatric patients are induced by neuroleptic antipsychotic
medications, all of which are dopamine D2 receptor blocking drugs. These include: acute …

Senile depression (SD) is a heterogeneous syndrome. Several clinical profiles are more
likely to appear in SD than in early‐life depression, but it remains unclear whether the …