Perception of biological motion and emotion in mild cognitive impairment and dementia

J. D. Henry, C. Thompson, P.G. Rendell, L. H. Phillips, J. Carbert, P. Sachdev, H. Brodaty

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Participants diagnosed with mild cognitive impairment (MCI), dementia and controls completed measures that required decoding emotions from point-light displays of bodily motion, and static images of facial affect. Both of these measures tap social cognitive processes that are considered critical for social competency. Consistent with prior literature, both clinical groups were impaired on the static measure of facial affect recognition. The dementia (but not the MCI) group additionally showed difficulties interpreting biological motion cues. However, this did not reflect a specific deficit in decoding emotions, but instead a more generalized difficulty in processing visual motion (both to action and to emotion). These results align with earlier studies showing that visual motion processing is disrupted in dementia, but additionally show for the first time that this extends to the recognition of socially relevant biological motion. The absence of any MCI related impairment on the point-light biological emotion measure (coupled with deficits on the measure of facial affect recognition) also point to a potential disconnect between the processes implicated in the perception of emotion cues from static versus dynamic stimuli. For clinical (but not control) participants, performance on all recognition measures was inversely correlated with level of semantic memory impairment.
Original languageEnglish
Pages (from-to)866-873
Number of pages8
JournalJournal of the International Neuropsychological Society
Volume18
Issue number5
Early online date12 Jun 2012
DOIs
Publication statusPublished - 1 Sep 2012

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Motion Perception
Dementia
Emotions
Cues
Light
Semantics
Cognitive Dysfunction
Recognition (Psychology)

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Perception of biological motion and emotion in mild cognitive impairment and dementia. / Henry, J. D.; Thompson, C.; Rendell, P.G.; Phillips, L. H.; Carbert, J.; Sachdev, P.; Brodaty, H.

In: Journal of the International Neuropsychological Society, Vol. 18, No. 5, 01.09.2012, p. 866-873.

Research output: Contribution to journalArticle

Henry, J. D. ; Thompson, C. ; Rendell, P.G. ; Phillips, L. H. ; Carbert, J. ; Sachdev, P. ; Brodaty, H. / Perception of biological motion and emotion in mild cognitive impairment and dementia. In: Journal of the International Neuropsychological Society. 2012 ; Vol. 18, No. 5. pp. 866-873.
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