Social cognition in first-degree relatives of patients with bipolar disorder: A meta-analysis. Bora, E. & Özerdem, A. European Neuropsychopharmacology: The Journal of the European College of Neuropsychopharmacology, 27(4):293--300, 2017. 00000
doi  abstract   bibtex   
Cognitive impairment is evident euthymic patients with bipolar disorder (BP) and in their first-degree relatives (BP-Rel). Increasing evidence suggests that BP is also associated with social cognitive impairment. It is important to establish whether social cognitive impairment is also evident in BP-Rel. A novel meta-analysis of theory of mind (ToM) and facial emotion recognition in BP-Rel including 16 studies (728 first-degree relatives of patients with BP and 865 healthy controls) was conducted. ToM (d=0.34, CI=0.16-0.52) was significantly impaired in BP-Rel. The effect size for the difference between BP-Rel and healthy controls was smaller for facial emotion recognition (d=0.17, CI=0.16-0.29) and could be nonsignificant after the effect of publication bias was taken into account. First-degree relatives of patients with BP underperform healthy subjects in social cognitive abilities, particularly in ToM. However, the effect size for between-group difference is small. ToM impairment might be a vulnerability marker of BP.
@article{bora_social_2017,
	title = {Social cognition in first-degree relatives of patients with bipolar disorder: {A} meta-analysis},
	volume = {27},
	issn = {1873-7862},
	shorttitle = {Social cognition in first-degree relatives of patients with bipolar disorder},
	doi = {10.1016/j.euroneuro.2017.02.009},
	abstract = {Cognitive impairment is evident euthymic patients with bipolar disorder (BP) and in their first-degree relatives (BP-Rel). Increasing evidence suggests that BP is also associated with social cognitive impairment. It is important to establish whether social cognitive impairment is also evident in BP-Rel. A novel meta-analysis of theory of mind (ToM) and facial emotion recognition in BP-Rel including 16 studies (728 first-degree relatives of patients with BP and 865 healthy controls) was conducted. ToM (d=0.34, CI=0.16-0.52) was significantly impaired in BP-Rel. The effect size for the difference between BP-Rel and healthy controls was smaller for facial emotion recognition (d=0.17, CI=0.16-0.29) and could be nonsignificant after the effect of publication bias was taken into account. First-degree relatives of patients with BP underperform healthy subjects in social cognitive abilities, particularly in ToM. However, the effect size for between-group difference is small. ToM impairment might be a vulnerability marker of BP.},
	language = {eng},
	number = {4},
	journal = {European Neuropsychopharmacology: The Journal of the European College of Neuropsychopharmacology},
	author = {Bora, Emre and Özerdem, Ayşegül},
	year = {2017},
	pmid = {28284777},
	note = {00000 },
	keywords = {Bipolar Disorder, Bipolar disorder, Cognition, Cognition Disorders, Emotion recognition, Emotions, Familial, Family, Humans, Recognition (Psychology), Relatives, Social Perception, Theory of mind},
	pages = {293--300}
}

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