Often striking, non-goal-directed, repetitive motor behavior; repetition of phrases and sentences in an automatic fashion, similar to a scratched record, termed verbigeration verbal stereotypy.    From Wordnik.com.  [The Neuropsychiatric Guide to Modern Everyday Psychiatry] Reference

Schizophrenics frequently speak in a stilted, manneristic fashion, and the fluency of their speech may be intermittently disturbed, with paucity of speech, verbigeration (associations repeated in a stereotyped manner, palilalia in the aphasia literature), or perseveration (words or phrases repetitively inserted in the flow of speech).    From Wordnik.com.  [The Neuropsychiatric Guide to Modern Everyday Psychiatry] Reference

Thus the affected, silly behavior, impulsive actions, temporary verbigeration, senseless word salad, grimacing, stereotypy, attitudinizing, etc., which these patients exhibit, may easily be mistaken for the typical catatonic picture of dementia præcox.    From Wordnik.com.  [Studies in Forensic Psychiatry] Reference