Levodopa and the dopamine agonists are effective symptomatic treatments for Parkinson's
disease, and all patients receive at least one of these agents during their illness. Long-term …

Dementia in Parkinson's disease (PDD) is a frequent and distressing complication with
major consequences. Clinical and pathological features closely link PDD and dementia with …

Visual-spatial working memory (WM) impairment is frequently associated with the early
stage of Parkinson's disease (PD). The aim of this study was to evaluate the performance of …

Unilateral pallidotomy and bilateral subthalamic deep brain stimulation (STN-DBS) for
Parkinson's disease (PD) have demonstrated a positive effect on motor functions. However …

Twenty right-handed patients affected by early/mild Parkinson's disease were evaluated in a
randomised study using neuropsychological and clinical assessements during three …

Cognitive deficits in Parkinson's disease (PD) include disturbances in working memory. We
examined sequential visuo-spatial memory span by means of an adaptation of the Corsi …

The role of dopamine D1 and D2 receptors in modulating object working memory in humans
is poorly understood. The current study was designed to investigate the effects of D1 and D2 …

Consistent with the clinical focus of this volume, this chapter first acquaints the reader with
basic distinctions between the clinical ''brain-behavior''disciplines, namely neuropsychology …

Recent evidence raised the possibility that dopaminergic mechanisms in the neostriatum
play an important role in categorization. In this study, we examined the electrophysiological …

Idiopathic Parkinson's disease (PD) is a neurodegenerative disorder that affects over 1
million individuals in the United States and Canada (1). It is considered a movement …