APA Dictionary of Psychology
mirror sign
- the tendency to look at oneself in a reflecting surface (window, mirror, etc.) frequently and for an extended period of time. [first described in 1927 by French psychologist Paul Abely as an early symptom of schizophrenia]
- the inability to recognize the reflection of oneself in a mirror, described mainly in moderate or severe dementia, especially Alzheimer’s disease.
Updated on 04/19/2018
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