The tendency of an idea, impression, experience, etc. to persist or recur or of an individual to continue a particular mental activity without the ability to shift easily to another at a change in stimulus.

经验、想法之持续重复。

The persistent and pathological repetition of a verbal or motor response, often seen in organic brain disease and schizophrenia.

【心理】言语反覆症；动作反覆症。