NCIt related terms : Extrapyramidal and movement disorder, unspecified;
NCIt definition : A movement disorder caused by defects in the basal ganglia. The clinical manifestations
include changes in the muscle tone, dyskinesia, and akinesia. Causes include vascular
disorders, degenerative disorders, and antipsychotic drugs.;
Alternative definition : CTCAE: A disorder characterized by abnormal, repetitive, involuntary muscle movements,
frenzied speech and extreme restlessness.;