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Microstimulation of inferotemporal cortex influences face categorization

Author

Listed:
  • Seyed-Reza Afraz

    (School of Cognitive Sciences, Institute for Studies in Theoretical Physics and Mathematics
    Research Center for Brain and Cognitive Sciences)

  • Roozbeh Kiani

    (School of Cognitive Sciences, Institute for Studies in Theoretical Physics and Mathematics
    Research Center for Brain and Cognitive Sciences)

  • Hossein Esteky

    (School of Cognitive Sciences, Institute for Studies in Theoretical Physics and Mathematics
    Research Center for Brain and Cognitive Sciences
    Neuroscience Research Center, Shaheed Beheshti University of Medical Sciences)

Abstract

Making faces Direct electrophysiological recordings and fMRI scanning experiments in an area of the primate cerebral cortex called inferior temporal (IT) cortex have shown that this area responds selectively to highly complex visual stimuli, such as faces, leading to the hypothesis that this brain region is involved in object recognition. Now direct proof for this hypothesis has been obtained, with the discovery of a direct link between face-selective neurons and face perception. Electrical microstimulation of clusters of face-selective neurons in IT cortex induces a strong bias in the monkey's decisions towards the face category. As well as linking neural activity in the IT cortex and object recognition, this work sets the stage for future research into the neural code for object shape.

Suggested Citation

  • Seyed-Reza Afraz & Roozbeh Kiani & Hossein Esteky, 2006. "Microstimulation of inferotemporal cortex influences face categorization," Nature, Nature, vol. 442(7103), pages 692-695, August.
    • Handle: RePEc:nat:nature:v:442:y:2006:i:7103:d:10.1038_nature04982
    DOI: 10.1038/nature04982
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    Cited by:

    1. Michihiro Osumi & Satoshi Nobusako & Takuro Zama & Naho Yokotani & Sotaro Shimada & Takaki Maeda & Shu Morioka, 2019. "The relationship and difference between delay detection ability and judgment of sense of agency," PLOS ONE, Public Library of Science, vol. 14(7), pages 1-9, July.

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