Clinical feature | Description |
---|---|
Catalepsy | Passive induction of a posture held against gravity |
Waxy flexibility | Slight and even resistance to positioning by examiner |
Stupor | No psychomotor activity; no reactivity to environment |
Agitation | Agitation, not influenced by external stimuli |
Mutism | No, or minimal verbal response |
Negativism | Opposing or not responding to instructions or external stimuli |
Posturing | Spontaneous and active maintenance of a posture against gravity |
Mannerisms | Odd caricature of normal actions |
Stereotypies | Repetitive, abnormally frequent, non-goal-directed movements |
Grimacing | Maintenance of odd facial expressions |
Echolalia | Repeating the words spoken by the examiner |
Echopraxia | Mimicking the movements made by the examiner |