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Amygdala Responsivity to High-Level Social Information from Unseen Faces

Freeman, J. B. ; Stolier, R. M. ; Ingbretsen, Z. A. ; Hehman, E. A.

Journal of Neuroscience, 08/06/2014, Vol.34(32), pp.10573-10581 [Tạp chí có phản biện]

ISSN: 0270-6474 ; E-ISSN: 1529-2401 ; DOI: http://dx.doi.org/10.1523/JNEUROSCI.5063-13.2014

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  • Nhan đề:
    Amygdala Responsivity to High-Level Social Information from Unseen Faces
  • Tác giả: Freeman, J. B. ; Stolier, R. M. ; Ingbretsen, Z. A. ; Hehman, E. A.
  • Chủ đề: Anatomy & Physiology
  • Là 1 phần của: Journal of Neuroscience, 08/06/2014, Vol.34(32), pp.10573-10581
  • Mô tả: Previous research shows that the amygdala automatically responds to a face's trustworthiness when a face is clearly visible. However, it is unclear whether the amygdala could evaluate such high-level facial information without a face being consciously perceived. Using a backward masking paradigm, we demonstrate in two functional neuroimaging experiments that the human amygdala is sensitive to subliminal variation in facial trustworthiness. Regions in the amygdala tracked how untrustworthy a face appeared (i.e., negative-linear responses) as well as the overall strength of a face's trustworthiness signal (i.e., nonlinear responses), despite faces not being subjectively seen. This tracking was robust across blocked and event-related designs and both real and computer-generated faces. The findings demonstrate that the amygdala can be influenced by even high-level facial information before that information is consciously perceived, suggesting that the amygdala's processing of social cues in the absence of awareness may be more extensive than previously described.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0270-6474 ; E-ISSN: 1529-2401 ; DOI: http://dx.doi.org/10.1523/JNEUROSCI.5063-13.2014

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