Catatonia

Abnormal movements that occur in some mental illnesses or conditions. It can be, for example: stereotypical movements of the limbs, facial expressions and grimacing or on the contrary freezing (stupor), often in a bizarre position for a long time. Catatonia occurs in schizophrenia, hysteria, epilepsy or after a major psychological trauma.

Related articles

 * Schizophrenia
 * Histrionic personality disorder
 * Epilepsy