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Who is That? Brain Networks and Mechanisms for Identifying Individuals
Journal article   Open access   Peer reviewed

Who is That? Brain Networks and Mechanisms for Identifying Individuals

Catherine Perrodin, Christoph Kayser, Taylor J. Abel, Nikos K. Logothetis and Christopher I. Petkov
Trends in cognitive sciences, Vol.19(12), pp.783-796
12/01/2015
DOI: 10.1016/j.tics.2015.09.002
PMCID: PMC4673906
PMID: 26454482
url
https://doi.org/10.1016/j.tics.2015.09.002View
Published (Version of record) Open Access

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.
Behavioral Sciences Life Sciences & Biomedicine Neurosciences Neurosciences & Neurology Psychology Psychology, Experimental Science & Technology Social Sciences

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