Journal
NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS
Volume 73, Issue -, Pages 1-22Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neubiorev.2016.12.011
Keywords
Bipolar disorder; Endophenotype; Cognition; Neurocognition; Neuroimaging; Psychiatry; Mood disorder; Pathophysiology
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Funding
- Lundbeck Foundation
- Conselho de Desenvolvimento Cientifico e Tecnologico (CNPq, Level II, Brazil)
- CAPES (Brazil)
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The phenomenology and underlying pathophysiology of bipolar disorder (BD) are heterogeneous. The identification of putative endophenotypes for BD can aid in the investigation of unique patho-etiological pathways, which may lead to the development of personalised preventative and therapeutic approaches for this multi-faceted disorder. We included original studies involving unaffected first-degree relatives of BD patients (URs) and a healthy control (HC) comparison group with no first-degree family history of mental disorders, investigating: 'cold' and 'hot' cognition and functional and structural neuroimaging. Seventy-seven cross-sectional studies met the inclusion criteria. The present review revealed that URs in comparison with HCs showed: (i) widespread deficits in verbal memory, sustained attention, and executive function; (ii) abnormalities in the reactivity to and regulation of emotional information along with aberrant reward processing, and heightened attentional interference by emotional stimuli; and (iii) less consistency in the findings regarding structural and resting state neuroimaging, and electrophysiological measures. (C) 2016 Elsevier Ltd. All rights reserved.
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