Natural facial motion enhances cortical responses to faces

Schultz, J; Pilz, KS

doi:10.1007/s00221-009-1721-9

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Natural facial motion enhances cortical responses to faces

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Schultz, J
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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https://link.springer.com/content/pdf/10.1007%2Fs00221-009-1721-9.pdf
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Citation

Schultz, J., & Pilz, K. (2009). Natural facial motion enhances cortical responses to faces. Experimental Brain Research, 194(3), 465-475. doi:10.1007/s00221-009-1721-9.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-C525-D

Abstract

The ability to perceive facial motion is important to successfully interact in social environments. Previously, imaging studies have investigated neural correlates of facial motion primarily using abstract motion stimuli. Here, we studied how the brain processes natural non-rigid facial motion in direct comparison to static stimuli and matched phase-scrambled controls. As predicted from previous studies, dynamic faces elicit higher responses than static faces in lateral temporal areas corresponding to hMT+/V5 and STS. Interestingly, analyses of individually-defined, static-face-sensitive regions in bilateral fusiform gyrus and left inferior occipital gyrus also respond more to dynamic than static faces. These results suggest integration of form and motion information during the processing of dynamic faces even in ventral temporal and inferior lateral occipital areas. In addition, our results show that dynamic stimuli are a robust tool to localize areas related to the processing of static and dynamic face info
rmation.