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Related Experiment Videos

The distributed human neural system for face perception.

Haxby1, Hoffman, Gobbini

  • 1Laboratory of Brain and Cognition, NIMH, Building 10, Room 4C104, Bethesda, MD 20892-1366, USA.

Trends in Cognitive Sciences
|May 29, 2000
PubMed
Summary

This study proposes a hierarchical model of face perception, distinguishing between invariant aspects for recognition and changeable aspects for social communication. The core system involves the fusiform gyrus and superior temporal sulcus, with an extended system aiding meaning extraction.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Visual Perception

Background:

  • Human face perception is a highly developed visual skill.
  • It relies on a distributed, bilateral neural system.
  • Previous models lack a clear distinction between invariant and changeable facial aspects.

Purpose of the Study:

  • To propose a hierarchical model for the organization of the human face perception system.
  • To differentiate the neural representation of invariant (identity) and changeable (social cues) aspects of faces.
  • To delineate the roles of the core and extended systems in face processing.

Main Methods:

  • Conceptual model development based on existing neuroscientific and psychological literature.
  • Analysis of functional neuroimaging studies on face perception.

Related Experiment Videos

  • Integration of findings on invariant and changeable face representations.

    • Main Results:

    • A hierarchical model distinguishing invariant (identity) and changeable (social cues) face representations.
    • The core system includes occipitotemporal regions: fusiform gyrus for invariant aspects and superior temporal sulcus for changeable aspects.
    • The extended system recruits other cognitive regions to enhance meaning extraction from faces.

    Conclusions:

    • The proposed model provides a framework for understanding the neural basis of face perception.
    • Distinct neural pathways handle identity recognition and social cue interpretation.
    • The interplay between core and extended systems allows for rich, meaningful interpretation of faces.