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Is knowledge of famous people compromised in mild cognitive impairment?

Clague, Fiona, Graham, Kim Samantha, Thompson, Sian A. and Hodges, John R. 2011. Is knowledge of famous people compromised in mild cognitive impairment? Cognitive and Behavioral Neurology 24 (3) , pp. 134-144. 10.1097/WNN.0b013e318234315a

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Abstract

Objective: This study addressed the issue of whether person naming deficits in mild cognitive impairment (MCI) occurred with deficits in person semantic knowledge and whether person knowledge was more impaired than general semantics. Background: Recent definitions of MCI are beginning to encompass cognitive impairments outside the domain of episodic memory. Increasing evidence suggests that semantic memory may also be compromised in this patient group, including tasks of person naming and identification. Methods: Thirteen MCI patients and 14 control subjects matched for age and education performed parallel semantic batteries designed to probe person and general semantic knowledge. Results: On the person battery, the MCI patients demonstrated impairment relative to controls, on tasks of category fluency, naming, identification, verbal and nonverbal associative and sorting tasks, as well as matching names to faces. By contrast, on the general semantic battery impairments, they were impaired only on category fluency and the nonverbal sorting and associative tasks. A composite measure of person knowledge tasks was also sensitive to disease severity as measured by Mini-Mental State Examination. Conclusions: These results support the existence of deficits in MCI across various domains of person knowledge, and the suggestion that deterioration of unique semantic exemplars may be sensitive to incipient Alzheimer disease.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Systems Immunity Research Institute (SIURI)
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Publisher: Lippincott, Williams & Wilkins
ISSN: 1543-3633
Last Modified: 04 Jun 2017 03:46
URI: http://orca.cf.ac.uk/id/eprint/26206

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