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Emotional processing, P50 sensory gating, and social functioning in bipolar disorder
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Title
Emotional processing, P50 sensory gating, and social functioning in bipolar disorder
Author/Creator
Vuillier, L
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Hermens, D F
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Chitty, K
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Wang, C
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Kaur, M
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Ward, P B
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Degabriele, R
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Hickie, I B
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Lagopoulos, Jim
Description
Emotional processing has been reported to effect sensory gating as measured by the event-related potential known as P50. Because both P50 and emotional processing are dysfunctional in bipolar disorder (BD), we sought to investigate the impact that concurrent emotional processing has on sensory gating in this psychiatric population. P50 was recorded using a paired-click paradigm. Peak-to-peak amplitudes for stimulus 1 (S1) and stimulus 2 (S2) were acquired during the presentation of disgust and neutral faces to young adults with BD (n = 19) and controls (n = 20). Social functioning and quality-of-life self-reported measures were also obtained. The BD group had significantly larger P50 amplitudes elicited by the S2-disgust response compared with controls, but no significant difference in overall P50 sensory gating was found between the groups. There were also no differences between groups in S1-disgust or in either of the neutral P50 amplitudes. The BD group showed significant associations between sensory gating to disgust and measures of social functioning. Importantly, BD showed impaired filtering of auditory information when paired with an emotionally salient image. Thus, it appears that patients with the greatest impairment in sensory gating also have the most difficulty engaging in social situations. © EEG and Clinical Neuroscience Society (ECNS) 2014.
Relation
Clinical EEG and Neuroscience / Vol. 46, No. 2, pp.81-87
Relation
http://dx.doi.org/10.1177/1550059414523417
Year
2015
Publisher
Sage Publications Inc.
Subject
FoR 1109 (Neurosciences)
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FoR 1702 (Cognitive Sciences)
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FoR 1103 (Clinical Sciences)
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auditory sensory gating
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bipolar disorder
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emotion
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P50
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social functioning
Resource Type
Journal Article
Identifier
ISSN: 1550-0594
Rights
Vuillier, L; Hermens, D F; Chitty, K; Wang, C; Kaur, M; Ward, P B; Degabriele, R; Hickie, I B; Lagopoulos, Jim, Emotional processing, P50 sensory gating, and social functioning in bipolar disorder, Clinical EEG and Neuroscience (46:2) pp. 81-87. Copyright © 2015 The Authors. Reprinted by permission of SAGE Publications.
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© 2012 University of the Sunshine Coast, Queensland, Australia | ABN 28 441 859 157 | CRICOS Provider No. 01595D