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Task-invariant Brain Responses to the Social Value of Faces.

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Title: Task-invariant Brain Responses to the Social Value of Faces.
Authors: Todorov, Alexander (AUTHOR), Said, Christopher P. (AUTHOR), Oosterhof, Nikolaas N. (AUTHOR), Engell, Andrew D. (AUTHOR)
Source: Journal of Cognitive Neuroscience. Oct2011, Vol. 23 Issue 10, p2766-2781. 16p. 5 Charts, 7 Graphs.
Subjects: Face perception, Brain research, Face perception testing, Functional magnetic resonance imaging, Cognitive neuroscience, Brain function localization
Abstract: In two fMRI experiments (n = 44) using tasks with different demands--approach-avoidance versus one-back recognition decisions--we measured the responses to the social value of faces. The face stimuli were produced by a parametric model of face evaluation that reduces multiple social evaluations to two orthogonal dimensions of valence and power [Oosterhof, N. N., & Todorov, A. The functional basis of face evaluation. Proceedings of the National Academy of Sciences, U.S.A., 105, 11087-11092, 2008]. Independent of the task, the response within regions of the occipital, fusiform, and lateral prefrontal cortices was sensitive to the valence dimension, with larger responses to low-valence faces. Additionally, there were extensive quadratic responses in the fusiform gyri and dorsal amygdala, with larger responses to faces at the extremes of the face valence continuum than faces in the middle. In all these regions, participants' avoidance decisions correlated with brain responses, with faces more likely to be avoided evoking stronger responses. The findings suggest that both explicit and implicit face evaluation engage multiple brain regions involved in attention, affect, and decision making. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Cognitive Neuroscience is the property of MIT Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Task-invariant Brain Responses to the Social Value of Faces.
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  Data: <searchLink fieldCode="AR" term="%22Todorov%2C+Alexander%22">Todorov, Alexander</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Said%2C+Christopher+P%2E%22">Said, Christopher P.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Oosterhof%2C+Nikolaas+N%2E%22">Oosterhof, Nikolaas N.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Engell%2C+Andrew+D%2E%22">Engell, Andrew D.</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="DE" term="%22Face+perception%22">Face perception</searchLink><br /><searchLink fieldCode="DE" term="%22Brain+research%22">Brain research</searchLink><br /><searchLink fieldCode="DE" term="%22Face+perception+testing%22">Face perception testing</searchLink><br /><searchLink fieldCode="DE" term="%22Functional+magnetic+resonance+imaging%22">Functional magnetic resonance imaging</searchLink><br /><searchLink fieldCode="DE" term="%22Cognitive+neuroscience%22">Cognitive neuroscience</searchLink><br /><searchLink fieldCode="DE" term="%22Brain+function+localization%22">Brain function localization</searchLink>
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  Data: In two fMRI experiments (n = 44) using tasks with different demands--approach-avoidance versus one-back recognition decisions--we measured the responses to the social value of faces. The face stimuli were produced by a parametric model of face evaluation that reduces multiple social evaluations to two orthogonal dimensions of valence and power [Oosterhof, N. N., & Todorov, A. The functional basis of face evaluation. Proceedings of the National Academy of Sciences, U.S.A., 105, 11087-11092, 2008]. Independent of the task, the response within regions of the occipital, fusiform, and lateral prefrontal cortices was sensitive to the valence dimension, with larger responses to low-valence faces. Additionally, there were extensive quadratic responses in the fusiform gyri and dorsal amygdala, with larger responses to faces at the extremes of the face valence continuum than faces in the middle. In all these regions, participants' avoidance decisions correlated with brain responses, with faces more likely to be avoided evoking stronger responses. The findings suggest that both explicit and implicit face evaluation engage multiple brain regions involved in attention, affect, and decision making. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Cognitive Neuroscience is the property of MIT Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1162/jocn.2011.21616
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        Text: English
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