APPLIED RADIOLOGICAL ANATOMY

Detailed explanation-1: -Perseverations can stem from diverse underlying cognitive difficulties. Goldberg and Tucker (1979) suggested that perseverations originate from the inability to complete a previous activity as well as to switch from the current cognitive task to another task.

Detailed explanation-2: -An example of perseveration is someone sandpapering a table until they’ve sanded through the wood, or a person who continues talking about a topic even when the conversation has moved on to other things. Another person might be asked to draw a cat then several other objects, but continue to draw a cat each time.

Detailed explanation-3: -Perseveration of thought indicates an inability to switch ideas or responses. An example of perseveration is, during a conversation, if an issue has been fully explored and discussed to a point of resolution, it is not uncommon for something to trigger the reinvestigation of the matter.