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J Geriatr Psychiatry Neurol. 2017 Jul;30(4):206-213. doi: 10.1177/0891988717710337.

Meta-Analysis of Social Cognition in Mild Cognitive Impairment.

Bora E1,2, Yener GG3,4,5,6,7.

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1 Department of Psychiatry, Dokuz Eylül University Medical School, Izmir, Turkey.
2 Department of Psychiatry, Melbourne Neuropsychiatry Centre, University of Melbourne and Melbourne Health, Carlton South, Victoria, Australia.
3 Department of Neurosciences, Dokuz Eylül University, Izmir, Turkey.
4 Brain Dynamics, Cognition and Complex Systems Research Center, Istanbul Kültür University, Istanbul, Turkey.
5 Department of Neurology, Dokuz Eylül University Medical School, Izmir, Turkey.
6 Brain Dynamics Multidisciplinary Research Center, Dokuz Eylül University, Izmir, Turkey.
7 İzmir Biomedicine and Genome Institute, Izmir, Turkey.


Social cognitive abilities are impaired in Alzheimer disease and other dementias. Recent studies suggested that social cognitive abilities might be also impaired in mild cognitive impairment (MCI). Current meta-analysis aimed to summarize available evidence for deficits in theory of mind (ToM) and emotion recognition in MCI. In this meta-analysis of 17 studies, facial emotion recognition and ToM performances of 513 individuals with MCI and 693 healthy controls were compared. Mild cognitive impairment was associated with significant impairments falling in the medium effect sizes range in ToM ( d = 0.63) and facial emotion recognition ( d = 0.58). Among individual emotions, recognition of fear and sadness were particularly impaired. There were no significant between-group differences in recognition of disgust, happiness, and surprise. Social cognitive deficits were more severe in multidomain MCI. There is a need for longitudinal studies investigating the potential role of social cognitive impairment in predicting conversion to dementia.


emotion recognition; mild cognitive impairment; social cognition; theory of mind

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