| Stereotypy and perseveration are other evidences of this narrowness of thought content. |
| Such self-regulatory perseveration is characterized by unproductive rumination about the failure. |
| Analysed and compared are the relative distribution of different error types, as anticipation, perseveration and distractors. |
| If there are different reasons for the three sorts of visual perseveration has not been answered yet. |
| It is therefore really to be designated as perseveration, but not necessarily as the perseveration of spoken words. |
| This again makes it a case of perseveration of the sort stressed by Meringer, but of a longer duration. |
