Depression is one of the most important non-motor symptoms in Parkinson's disease (PD),
but its prevalence and related clinical characteristics are unclear. To this end, we performed …

Parkinson's disease (PD) is characterized mainly by motor dysfunctions due to the
progressive loss of dopaminergic neurons. However, PD patients experience a multitude of …

Visual hallucinations are common in older people and are especially associated with
ophthalmological and neurological disorders, including dementia and Parkinson's disease …

Parkinson's disease (PD) is a neurological disorder with motor dysfunction and a number of
psychiatric symptoms. Symptoms such as anxiety and cognitive deficits emerge prior to …

Mood disorders and anxiety significantly impact the prognosis and disease course of
Parkinson's disease. Non-motor symptoms of Parkinson's disease such as apathy …

Abstract Treatment of non-motor symptoms of Parkinson's disease (PD) is a major unmet
need. Targeting adenosine A 2A receptors may address some of the neuropsychiatric …

Depression represents one of the most common non-motor disorders in Parkinson's disease
(PD) and it has been related to worse life quality, higher levels of disability, and cognitive …

Background Insulin-like growth factor 1 (IGF-1) and epidermal growth factor (EGF) exert
neuroprotective effects in Parkinson's disease (PD). To date, studies on the relationships …

Objective Anxiety and depression are major psychiatric nonmotor symptoms (NMSs) of
Parkinson disease (PD). Although several studies have investigated the effects of …

Cognitive and behavioral symptoms are common in Parkinson's disease, may occur even in
the prodromal stages of the disease, worsen with disease progression, and surpass motor …