These may therefore include 'made acts and impulses' where the individual feels they are being made to do something by another, 'made movements' where their arms or legs feel as if they are moving under another's control, 'made emotions' where they are experiencing someone else's emotions, and 'made thoughts' which are categorised elsewhere as thought insertion and withdrawal. Perseveration Describes an inappropriate repetition of some behaviour or thought or speech. Echolalia is an example of perseverative speech. Talking exclusively on one subject might be described as perseveration on a theme. Perseveration of thought indicates an inability to switch ideas, so that in an interview a patient may continue to give the same responses to later questions as he did to earlier ones.
Perseveration is sometimes a feature of frontal lobe lesions.
Schizophasia A severe form of thought disorder. A form of depressive illness only occurring during winter months, associated with overeating and sleepiness. Responsive to antidepressants and phototherapy. Little researched and scientifically controversial. An abnormal involuntary movement disorder which may manifest as lipsmacking bucco-lingual movements or grimacing, truncal movements or athetoid limb movements.