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Processing faces and facial expressions.

Mette T Posamentier1, Hervé Abdi

  • 1Program in Cognition and Neuroscience, The University of Texas at Dallas, 5323 Harry Hines Blvd., Dallas, Texas 75390-8874, USA. Mette.Posamentier@utsouthwestern.edu

Neuropsychology Review
|October 31, 2003
PubMed
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This review examines facial identity and expression processing, exploring whether these systems are independent. Neuroimaging data show overlapping brain activity, challenging distinct processing models.

Area of Science:

  • Cognitive Neuroscience
  • Neuroimaging
  • Psychology

Background:

  • Facial identity and expression processing are crucial for social interaction.
  • The independence of these two systems has been debated for over 25 years.
  • Neuroimaging techniques offer new insights into brain mechanisms of face perception.

Purpose of the Study:

  • To review traditional and neuroimaging findings on facial identity and expression processing.
  • To investigate the neural basis of processing facial identity versus expressions.
  • To assess the evidence for independent processing systems.

Main Methods:

  • Review of experimental, neuropsychological, and neuroimaging studies.
  • Analysis of behavioral data on face perception and recognition.

Related Experiment Videos

  • Examination of brain activation patterns using neuroimaging.

    • Main Results:

    • Traditional studies suggest separate systems for identity and expression.
    • Neuroimaging reveals significant overlap in brain activation for both tasks.
    • Evidence supports distinct neural substrates for processing different facial expressions.

    Conclusions:

    • The neuroimaging evidence complicates the notion of strictly independent processing systems.
    • Overlapping activation patterns suggest integrated processing of facial information.
    • Specific neural substrates are involved in processing distinct facial expressions.