Self-Face Processing in a Callosotomy Patient

Document Type

Article

Publication Date

1-1-2003

Journal / Book Title

European Journal of Neuroscience

Abstract

Self-face recognition is reserved for humans, apes and possibly dolphins and is thought to be a marker of self-awareness. Previous data have indicated that self-face recognition may be mediated via frontal right hemisphere circuits within the brain. Testing patient M.L., who underwent a total callosotomy, we found that when searching for the self-face in a series of morphs (composite facial images made up of his own and a famous face in inversely varying percentages) the patient made (i) more true-positive and (ii) fewer false-positive responses when responding with the right hemisphere (i.e. indicating with the left hand). There was no hand difference when searching for familiar faces. These data imply a right hemisphere processing advantage for self-faces.

DOI

10.1046/j.1460-9568.2003.02958.x

Published Citation

Keenan, J. P., Wheeler, M., Platek, S. M., Lardi, G., & Lassonde, M. (2003). Self-face processing in a callosotomy patient. The European journal of neuroscience, 18(8), 2391–2395. https://doi.org/10.1046/j.1460-9568.2003.02958.x

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