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Natural facial motion enhances cortical responses to faces

Schultz, J. & Pilz, K. S., Apr-2009, In : Experimental Brain Research. 194, 3, p. 465-475 11 p.

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  • Natural facial motion enhances cortical responses to faces

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DOI

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, 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 information.

Original languageEnglish
Pages (from-to)465-475
Number of pages11
Journal Experimental Brain Research
Volume194
Issue number3
Publication statusPublished - Apr-2009
Externally publishedYes

    Keywords

  • Facial motion, Face localizer, STS, Biological motion, FFA, OFA, fMRI, HUMAN NEURAL SYSTEM, BIOLOGICAL MOTION, INDIVIDUAL-DIFFERENCES, FUNCTIONAL LOCALIZERS, TEMPORAL CORTEX, SPATIAL SCALES, HAND MOVEMENTS, PERCEPTION, RECOGNITION, FMRI

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