Depression, anxiety and apathy are common mood disturbances in Parkinson's disease
(PD) but their pathophysiology is unclear. Advanced neuroimaging has been increasingly …

Patients with Parkinson's disease experience a range of non-motor symptoms, including
cognitive impairment, behavioural changes, somatosensory and autonomic disturbances …

Apathy is characterized by lack of interest, loss of initiative, and flattening of affect. It is a
frequent, very disabling nonmotor complication of Parkinson's disease (PD). The condition …

Apathy, depression, and anxiety are among the most important non-motor signs of
Parkinson's disease (PD). This may be encountered at early stages of illness and represent …

The second edition of this comprehensive textbook for students of Neuropsychology gives a
thorough overview of the complex relationship between brain and behaviour. With an …

Introduction Neuropsychiatric symptoms are one of the most common non-motor symptoms
in Parkinson's disease (PD). These symptoms have a negative impact on daily living …

Apathy is an uncertain nosographical entity, which includes reduced motivation, abulia,
decreased empathy, and lack of emotional involvement; it is an important and heavy-burden …

Apathy can be described as a loss of goal-directed purposeful behavior and is common in a
variety of neurological and psychiatric disorders. Although previous studies investigated …

Background Whether structural alterations underpin apathy and depression in de novo
parkinsonian patients is unknown. The objectives of this study were to investigate whether …

Neuropsychiatric symptoms are common and disabling in PD. Their neurobiological bases
are complex, partly because of the disease itself and partly because of the dopaminergic …