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Who is That? Brain Networks and Mechanisms for Identifying Individuals

Lookup NU author(s): Catherine Perrodin, Professor Christopher Petkov

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

Social animals can identify conspecifics by many forms of sensory input. However, whether the neuronal computations that support this ability to identify individuals rely on modality-independent convergence or involve ongoing synergistic interactions along the multiple sensory streams remains controversial. Direct neuronal measurements at relevant brain sites could address such questions, but this requires better bridging the work in humans and animal models. Here, we overview recent studies in nonhuman primates on voice and face identity-sensitive pathways and evaluate the correspondences to relevant findings in humans. This synthesis provides insights into converging sensory streams in the primate anterior temporal lobe (ATL) for identity processing. Furthermore, we advance a model and suggest how alternative neuronal mechanisms could be tested.

Publication metadata

Author(s): Perrodin C, Kayser C, Abel TJ, Logothetis NK, Petkov CI

Publication type: Review

Publication status: Published

Journal: Trends in Cognitive Sciences

Year: 2015

Volume: 19

Issue: 12

Pages: 783-796

Print publication date: 01/12/2015

Online publication date: 07/10/2015

Acceptance date: 01/01/1900

ISSN (print): 1364-6613

Publisher: ELSEVIER SCIENCE LONDON

URL: http://dx.doi.org/10.1016/j.tics.2015.09.002

DOI: 10.1016/j.tics.2015.09.002

PubMed id: 26454482

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