Echophenomenon
Echophenomenon is "automatic imitative actions without explicit awareness" or pathological repetitions of external stimuli or activities, actions, sounds, or phrases, indicative of an underlying disorder.
The echophenomena include repetition:
- echolalia – of vocalizations
- * echopalilalia – of words
- * echothanatologia - of words centered on death, described in a review of grief in the context of neurodevelopmental disorders
- echopraxia – of actions, movements
- * echothanatopraxia - of actions related to the cause of death
- echopathy – of actions or speech
- echoplasia – physically or mentally, tracing contours of objects
- echolalioplasia – involving sign language, described in one individual with Tourette syndrome.