Perseveration
Perseveration
Perseveration (/pəːsɪvəˈreɪʃ(ə)n/) is a psychological term that refers to the repetition of a particular response, such as a word, phrase, or gesture, despite the absence or cessation of a stimulus. It is usually caused by a brain injury or other organic disorder.
Etymology
The term "perseveration" is derived from the Latin word "perseverare", which means "to persist". It was first used in the psychological context in the late 19th century.
Definition
Perseveration is typically defined as the repetition of a particular response (such as a word, phrase, or gesture) regardless of the absence or cessation of a stimulus. It is usually caused by a brain injury or other organic disorder. Symptoms can occur in various contexts, including speech and motor activities.
Types of Perseveration
There are two main types of perseveration: Stuck-in-set perseveration and Recurrent perseveration.
- Stuck-in-set perseveration is when an individual continues to use the same set of responses to different stimuli, even when those responses are no longer appropriate or effective.
- Recurrent perseveration is when an individual repeatedly returns to a previous topic or behavior after a new topic or behavior has been introduced.
Causes
Perseveration is often associated with various neurological conditions, including Parkinson's disease, Alzheimer's disease, and schizophrenia. It can also be a symptom of various types of brain damage, such as that caused by stroke or trauma.
Treatment
Treatment for perseveration typically involves addressing the underlying neurological condition. This may include medication, therapy, or a combination of both. In some cases, individuals may also benefit from cognitive rehabilitation, which can help improve their ability to switch between tasks or topics.
Related Terms
External links
- Medical encyclopedia article on Perseveration
- Wikipedia's article - Perseveration
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