Catatonia can involve excessive movement as well as immobility. Excitement may appear purposeless and not clearly driven by the surrounding situation. Repetitive movements, unusual mannerisms or repeated speech may occur. Echolalia involves repeating another person’s words, while echopraxia involves copying movements. These features are interpreted as part of a broader clinical pattern, not diagnosed from an isolated repetition.
Catatonia is a syndrome involving marked changes in movement, speech and responsiveness. It can occur with mood disorders, psychotic disorders and medical or neurological illnesses. It is not simply a severe negative symptom, and the presence of catatonic signs requires careful clinical assessment.
The presentation may fluctuate, with periods of reduced activity alternating with agitation. Clinicians distinguish catatonia from mania, akathisia, intoxication, delirium and other causes of increased movement. Severe agitation can lead to exhaustion, dehydration or injury and may require urgent care. The physical environment should minimise unnecessary stimulation while preserving safety and respectful contact. Identifying the syndrome matters because treatment decisions differ from those for ordinary behavioural disturbance. Increasing antipsychotic medication without assessing a possible catatonic syndrome can be inappropriate, particularly when there are signs of medical instability or concern about neuroleptic malignant syndrome.
Repetition has several forms. Stereotypies are repeated movements with little apparent purpose, while mannerisms can resemble exaggerated or unusual versions of ordinary actions. Echo phenomena involve repeating another person’s speech or movements. These descriptions support examination, but isolated repetition is not sufficient to diagnose catatonia without considering the broader pattern, context and possible medical or developmental explanations.
Further reading: Research record 37039129; Research record 40368005.
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