J. Schultz
What the Human Brain Likes About Facial Motion
Schultz, J.; Brockhaus, M.; Bülthoff, H.H.; Pilz, K.S.
Authors
M. Brockhaus
H.H. Bülthoff
K.S. Pilz
Abstract
Facial motion carries essential information about other people's emotions and intentions. Most previous studies have suggested that facial motion is mainly processed in the superior temporal sulcus (STS), but several recent studies have also shown involvement of ventral temporal face-sensitive regions. Up to now, it is not known whether the increased response to facial motion is due to an increased amount of static information in the stimulus, to the deformation of the face over time, or to increased attentional demands. We presented nonrigidly moving faces and control stimuli to participants performing a demanding task unrelated to the face stimuli. We manipulated the amount of static information by using movies with different frame rates. The fluidity of the motion was manipulated by presenting movies with frames either in the order in which they were recorded or in scrambled order. Results confirm higher activation for moving compared with static faces in STS and under certain conditions in ventral temporal face-sensitive regions. Activation was maximal at a frame rate of 12.5 Hz and smaller for scrambled movies. These results indicate that both the amount of static information and the fluid facial motion per se are important factors for the processing of dynamic faces.
Citation
Schultz, J., Brockhaus, M., Bülthoff, H., & Pilz, K. (2013). What the Human Brain Likes About Facial Motion. Cerebral Cortex, 23(5), 1167-1178. https://doi.org/10.1093/cercor/bhs106
Journal Article Type | Article |
---|---|
Publication Date | May 1, 2013 |
Deposit Date | Sep 13, 2012 |
Publicly Available Date | Jul 19, 2013 |
Journal | Cerebral Cortex |
Print ISSN | 1047-3211 |
Electronic ISSN | 1460-2199 |
Publisher | Oxford University Press |
Peer Reviewed | Peer Reviewed |
Volume | 23 |
Issue | 5 |
Pages | 1167-1178 |
DOI | https://doi.org/10.1093/cercor/bhs106 |
Keywords | Biological motion, Face processing, FFA, fMRI, STS. |
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Copyright Statement
© The Author 2012. Published by Oxford University Press.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.5),
which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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