To determine the prevalence of depression in Parkinson disease (PD) we evaluated 55
consecutive patients without dementia and 31 of their spouses. All subjects completed the …

The presence of depression and cognitive impairments was examined in seventy patients
with Parkinson's disease (PD). Forty nine patients of this original cohort were re-examined …

A consecutive series of 105 outpatients with Parkinson's disease (PD) were examined for
the presence of depression. Twenty-one percent met diagnostic criteria for major …

Neuropsychological deficits including cognitive impairment as well as depression are
among the most frequent and important mental disorders found in patients with Parkinson's …

We investigated the prevaience of mental depression (MD) in 34 patients with Parkinson's
disease (PD) of recent onset, not receiving dopaminergic drugs, and in 23 healthy …

We examined correlates of depression in patients whose onset of Parkinson's disease (PD)
began before age 55 (early-onset group) compared with patients whose onset was after age …

Article abstract-Conflicting reports about the effects of depression on cognition in
Parkinson's disease (PD) are difficult to interpret because they are based on small sample …

Depression was diagnosed in 15% of 100 consecutive patients with Parkinson disease
(PD). Depression was associated with lower cognition, history of depression, and a higher …

Objectives: To compare quantitative and qualitative aspects of neuropsychological test
performance in patients with Parkinson's disease who currently had depression (PDD) and …

A consecutive series of 105 patients with Parkinson's disease were examined for the
presence of affective disorders, cognitive deficits, and impairments in activities of daily living …