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The initial representation of individual faces in the right occipito-temporal cortex is holistic: electrophysiological evidence from the composite face illusion.
J Vis. 2009 Jun 11; 9(6):8.1-16.JV

Abstract

Identifying a facial feature (e.g. the eyes) is influenced by the position and identity of other features (e.g. the mouth) of the face, supporting the view that an individual face is represented as a whole in the human brain. To clarify how early in the time-course of face processing this holistic individual representation is accessed we recorded event-related potentials during an adaptation paradigm of the composite face illusion (CFI). Observers performed a matching task on top halves of two faces presented sequentially. For each face pair, top and bottom face halves could be both identical, both different, or only the bottom half differed. The signal was larger over the right occipito-temporal cortex at about 160 ms (N170) when the attended top half differed between the two faces than when identical top halves were repeated. Crucially, a larger N170 was also found when the top halves of the two faces were the same, yet the observers had the illusion that they differed (CFI). This effect was not found when the two face halves were spatially misaligned. These observations indicate that the earliest perceptual representation of an individual face in the human brain is holistic rather than based on independent face parts.

Authors+Show Affiliations

Faculté de Psychologie et des Sciences de l'Education (PSP), Université Catholique de Louvain, Louvain-la-Neuve, Belgium. corentin.g.jacques@uclouvain.beNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

19761299

Citation

Jacques, Corentin, and Bruno Rossion. "The Initial Representation of Individual Faces in the Right Occipito-temporal Cortex Is Holistic: Electrophysiological Evidence From the Composite Face Illusion." Journal of Vision, vol. 9, no. 6, 2009, pp. 8.1-16.
Jacques C, Rossion B. The initial representation of individual faces in the right occipito-temporal cortex is holistic: electrophysiological evidence from the composite face illusion. J Vis. 2009;9(6):8.1-16.
Jacques, C., & Rossion, B. (2009). The initial representation of individual faces in the right occipito-temporal cortex is holistic: electrophysiological evidence from the composite face illusion. Journal of Vision, 9(6), 1-16. https://doi.org/10.1167/9.6.8
Jacques C, Rossion B. The Initial Representation of Individual Faces in the Right Occipito-temporal Cortex Is Holistic: Electrophysiological Evidence From the Composite Face Illusion. J Vis. 2009 Jun 11;9(6):8.1-16. PubMed PMID: 19761299.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The initial representation of individual faces in the right occipito-temporal cortex is holistic: electrophysiological evidence from the composite face illusion. AU - Jacques,Corentin, AU - Rossion,Bruno, Y1 - 2009/06/11/ PY - 2009/02/04/received PY - 2009/05/08/accepted PY - 2009/9/19/entrez PY - 2009/9/19/pubmed PY - 2009/12/16/medline SP - 8.1 EP - 16 JF - Journal of vision JO - J Vis VL - 9 IS - 6 N2 - Identifying a facial feature (e.g. the eyes) is influenced by the position and identity of other features (e.g. the mouth) of the face, supporting the view that an individual face is represented as a whole in the human brain. To clarify how early in the time-course of face processing this holistic individual representation is accessed we recorded event-related potentials during an adaptation paradigm of the composite face illusion (CFI). Observers performed a matching task on top halves of two faces presented sequentially. For each face pair, top and bottom face halves could be both identical, both different, or only the bottom half differed. The signal was larger over the right occipito-temporal cortex at about 160 ms (N170) when the attended top half differed between the two faces than when identical top halves were repeated. Crucially, a larger N170 was also found when the top halves of the two faces were the same, yet the observers had the illusion that they differed (CFI). This effect was not found when the two face halves were spatially misaligned. These observations indicate that the earliest perceptual representation of an individual face in the human brain is holistic rather than based on independent face parts. SN - 1534-7362 UR - https://www.unboundmedicine.com/medline/citation/19761299/The_initial_representation_of_individual_faces_in_the_right_occipito_temporal_cortex_is_holistic:_electrophysiological_evidence_from_the_composite_face_illusion_ L2 - http://jov.arvojournals.org/article.aspx?doi=10.1167/9.6.8 DB - PRIME DP - Unbound Medicine ER -