Neupsy Key

INTRODUCTION Parkinson’s disease (PD) remains the only neurodegenerative disorder for which there are highly efficacious symptomatic therapies, most importantly dopamine (DA) replacement strategies, which in most patients provide satisfactory motor…

INTRODUCTION In 1963, J. Clifford Richardson (1) described an unusual syndrome of supranuclear gaze palsy, and progressive axial rigidity, pseudobulbar palsy, and mild dementia. Together with John Steele and Jerzy…

INTRODUCTION Movement disorders commonly occur in association with systemic diseases, and they may occasionally be the presenting feature of a systemic disease (1,2). It is therefore imperative to carefully consider…

INTRODUCTION NEUROPSYCHIATRIC SYMPTOMS IN PARKINSON’S DISEASE A variety of neuropsychiatric symptoms (NPS), including depression, anxiety, psychotic symptoms, apathy, and impulse-control disorders (ICDs), occur in up to 60% of patients with…

Tourette syndrome (TS) is a neurologic disorder manifested by motor, vocal, or phonic tics that, in most cases, start in childhood and are often accompanied by obsessive–compulsive disorder (OCD), attention-deficit/hyperactivity…

INTRODUCTION Ballism refers to abnormal large-amplitude, rapid, nonpatterned, often continuous, “flinging” movements of the proximal extremities, closely related to chorea. The first use of the term is credited to Kussmaul…

Secondary causes of parkinsonism continue to influence our thinking on the possible etiology of Parkinson’s disease (PD) and, as a consequence, assume an importance far greater than their incidence in…