Neural circuitry of masked emotional face processing in youth with bipolar disorder, severe mood dysregulation, and healthy volunteers
Identifieur interne : 001A20 ( Main/Merge ); précédent : 001A19; suivant : 001A21Neural circuitry of masked emotional face processing in youth with bipolar disorder, severe mood dysregulation, and healthy volunteers
Auteurs : Laura A. Thomas [États-Unis] ; Melissa A. Brotman [États-Unis] ; Brian L. Bones [États-Unis] ; Gang Chen [États-Unis] ; Brooke H. Rosen [États-Unis] ; Daniel S. Pine [États-Unis] ; Ellen Leibenluft [États-Unis]Source :
- Developmental cognitive neuroscience [ 1878-9293 ] ; 2013.
Abstract
Youth with bipolar disorder (BD) and those with severe, non-episodic irritability (severe mood dysregulation, SMD) show face-emotion labeling deficits. These groups differ from healthy volunteers (HV) in neural responses to emotional faces. It is unknown whether awareness is required to elicit these differences. We compared activation in BD (N=20), SMD (N=18), and HV (N=22) during “Aware” and ”Non-aware” priming of shapes by emotional faces. Subjects rated how much they liked the shape. In Aware, a face (angry, fearful, happy, neutral, blank oval) appeared (187ms) before the shape. In Non-Aware, a face appeared (17ms), followed by a mask (170ms), and shape. A Diagnosis-by-Awareness-by-Emotion ANOVA was not significant. There were significant Diagnosis-by-Awareness interactions in occipital regions. BD and SMD showed increased activity for non-aware vs. aware; HV showed the reverse pattern. When subjects viewed angry or neutral faces, there were Emotion-by-Diagnosis interactions in face-emotion processing regions, including the L precentral gyrus, R posterior cingulate, R superior temporal gyrus, R middle occipital gyrus, and L medial frontal gyrus. Regardless of awareness, BD and SMD differ in activation patterns from HV and each other in multiple brain regions, suggesting that BD and SMD are distinct developmental mood disorders.
Url:
DOI: 10.1016/j.dcn.2013.09.007
PubMed: 24239048
PubMed Central: 3960306
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Pine</name><affiliation wicri:level="2"><nlm:aff id="A1">Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Maryland</region></placeName><wicri:cityArea>Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Department of Health and Human Services, Bethesda</wicri:cityArea></affiliation></author><author><name sortKey="Leibenluft, Ellen" sort="Leibenluft, Ellen" uniqKey="Leibenluft E" first="Ellen" last="Leibenluft">Ellen Leibenluft</name><affiliation wicri:level="2"><nlm:aff id="A1">Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Maryland</region></placeName><wicri:cityArea>Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Department of Health and Human Services, Bethesda</wicri:cityArea></affiliation></author></analytic><series><title level="j">Developmental cognitive neuroscience</title><idno type="ISSN">1878-9293</idno><idno type="eISSN">1878-9307</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P2">Youth with bipolar disorder (BD) and those with severe, non-episodic irritability (severe mood dysregulation, SMD) show face-emotion labeling deficits. These groups differ from healthy volunteers (HV) in neural responses to emotional faces. It is unknown whether awareness is required to elicit these differences. We compared activation in BD (N=20), SMD (N=18), and HV (N=22) during “Aware” and ”Non-aware” priming of shapes by emotional faces. Subjects rated how much they liked the shape. In Aware, a face (angry, fearful, happy, neutral, blank oval) appeared (187ms) before the shape. In Non-Aware, a face appeared (17ms), followed by a mask (170ms), and shape. A Diagnosis-by-Awareness-by-Emotion ANOVA was not significant. There were significant Diagnosis-by-Awareness interactions in occipital regions. BD and SMD showed increased activity for non-aware vs. aware; HV showed the reverse pattern. When subjects viewed angry or neutral faces, there were Emotion-by-Diagnosis interactions in face-emotion processing regions, including the L precentral gyrus, R posterior cingulate, R superior temporal gyrus, R middle occipital gyrus, and L medial frontal gyrus. Regardless of awareness, BD and SMD differ in activation patterns from HV and each other in multiple brain regions, suggesting that BD and SMD are distinct developmental mood disorders.</p></div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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