Amygdalostriatal coupling underpins positive but not negative coloring of ambiguous affect.
Humans routinely integrate affective information from multiple sources. For example, we rarely interpret an emotional facial expression devoid of context. In this paper, we describe the neural correlates of an affective computation that involves integrating multiple sources, by leveraging the ambigu...
| Published in: | Cognitive, Affective & Behavioral Neuroscience Vol. 20; no. 5; pp. 949 - 961 |
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| Main Authors: | , , |
| Format: | Journal Article |
| Published: |
Springer Nature
Oct2020
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| Online Access: | View this record in EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=145757931&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 145757931 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 15307026 NA4 jtl: Cognitive, Affective & Behavioral Neuroscience issn: 15307026 maglogo: N pubinfo: dt: Oct2020 vid: 20 iid: 5 pid: 237 pub: Springer Nature place: New York, New York artinfo: ui: 145757931 144605265 10.3758/s13415-020-00812-6 145757931 ppf: 949 ppct: 12 formats: fmt: – @attributes: type: T – @attributes: type: P tig: atl: Amygdalostriatal coupling underpins positive but not negative coloring of ambiguous affect. aug: au: Kim, M. Justin Mattek, Alison M. Shin, Jin affil: Department of Psychology, Sungkyunkwan University, Seoul, South Korea sug: ab: Humans routinely integrate affective information from multiple sources. For example, we rarely interpret an emotional facial expression devoid of context. In this paper, we describe the neural correlates of an affective computation that involves integrating multiple sources, by leveraging the ambiguity and subtle feature-based valence signals found in surprised faces. Using functional magnetic resonance imaging, participants reported the valence of surprised faces modulated by positive or negative sentences. Amygdala activity corresponded to the valence value assigned to each contextually modulated face, with greater activity reflecting more negative ratings. Amygdala activity did not track the valence of the faces or sentences per se. Moreover, the amygdala was functionally coupled with the nucleus accumbens only during face trials preceded by positive contextual cues. These data suggest 1) valence-related amygdala activity reflects the integrated valence values rather than the valence values of each individual component, and 2) amygdalostriatal coupling underpins positive but not negative coloring of ambiguous affect. pubtype: Academic Journal doctype: Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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