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Brain Advance Access first published online on March 28, 2007
This version published online on June 5, 2007
Brain, doi:10.1093/brain/awm052
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© The Author (2007). Published by Oxford University Press on behalf of the Guarantors of Brain. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

The Enigmatic temporal pole: a review of findings on social and emotional processing

Ingrid R. Olson, Alan Plotzker and Youssef Ezzyat

Center for Cognitive Neuroscience, University of Pennsylvania, PA, USA

Correspondence to: Ingrid R. Olson, Center for Cognitive Neuroscience, University of Pennsylvania, 3720 Walnut Street, Room B51, Philadelphia, PA 19104-6196, USA E-mail: iolson{at}psych.upenn.edu

The function of the anterior-most portion of the temporal lobes, the temporal pole, is not well understood. Anatomists have long considered it part of an extended limbic system based on its location posterior to the orbital frontal cortex and lateral to the amygdala, along with its tight connectivity to limbic and paralimbic regions. Here we review the literature in both non-human primates and humans to assess the temporal pole's putative role in social and emotional processing. Reviewed findings indicate that it has some role in both social and emotional processes, including face recognition and theory of mind, that goes beyond semantic memory. We propose that the temporal pole binds complex, highly processed perceptual inputs to visceral emotional responses. Because perceptual inputs remain segregated into dorsal (auditory), medial (olfactory) and ventral (visual) steams, the integration of emotion with perception is channel specific.

Key Words: perirhinal cortex; anterior temporal lobe; ba 38; face processing; frontotemporal dementia

Abbreviations: FTD, frontal temporal dementia; TP, temporal pole

Received October 18, 2006. Revised January 15, 2007. Accepted February 26, 2007.


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