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Tangential speech is a communication disorder in which the train of thought of the speaker wanders and shows a lack of focus, never returning to the initial topic of the conversation. It is less severe than Logorrhea and may be associated with the middle stage in dementia. It is, however, more severe than circumstantial speech in which the speaker wanders, but eventually returns to the topic.
Some adults with right hemisphere brain damage may exhibit behavior that includes tangential speech. Those who exhibit these behaviors may also have related symptoms such as seemingly inappropriate or self-centered social responses, and a deterioration in pragmatic abilities (including appropriate eye contact as well as topic maintenance).
- ↑ 1.0 1.1 Forensic Aspects of Communication Sciences and Disorders by Dennis C. Tanner 2003 ISBN 1-930056-31-1 page 289
- ↑ Crash Course: Psychiatry by Julius Bourke, Matthew Castle, Alasdair D. Cameron 2008 ISBN 0-7234-3476-X page 255
- ↑ Introduction to Neurogenic Communication Disorders by Robert H. Brookshire 2007 ISBN 0-323-04531-6 page 393
- ↑ Perspectives on Treatment for Communication Deficits Associated With Right Hemisphere Brain Damage by Margaret Lehman Blake 2007 ISSN 10580360 page 333