Psychiatric manifestations are an integral part of Huntington's disease. They may be divided into those syndromes which resemble idiopathic disorders, but for which HD patients may be particularly at risk, those constellations which are peculiar to HD and related conditions, such as the executive dysfunction syndrome, and those symptoms that can truly be regarded as nonspecific, such as deliriu...

Electroencephalography (EEG) is a noninvasive, widely available, and relatively inexpensive test that can help exclude or identify structural or functional factors contributing to psychiatric syndromes. This article defines the clinical usefulness of EEG in evaluating neuropsychiatric disorders, emphasizing the complementary nature of the visually inspected standard EEG (SEEG) and the computera...

This review aims to relate recent findings describing the role and neural connectivity of the basal ganglia to the clinical neuropsychiatry of basal ganglia movement disorders and to the role of basal ganglia disturbances in “psychiatric”’ states. Articles relating to the relevant topics were initially collected through MEDLINE and papers relating to the clinical conditions discussed were also ...