You searched for: “autochthonous idea
autochthonous idea (s) (noun), autochthonous ideas (pl)
A delusion that is characteristic of schizophrenia, which appears without external cause or explanation, within the person's mind: Since an autochthonous idea seems to be convincing for the subject, someone may frequently believe that it has been implanted in one's mind by a malevolent external agent.
This entry is located in the following unit: idea, ideas (page 1)