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Who is That? Brain Networks and Mechanisms for Identifying Individuals

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Perrodin,  C
Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Logothetis,  NK
Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Perrodin, C., Kayser, C., Abel, T., Logothetis, N., & Petkov, C. (2015). Who is That? Brain Networks and Mechanisms for Identifying Individuals. Trends in Cognitive Sciences, 19(12), 783-796. doi:10.1016/j.tics.2015.09.002.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002A-4391-E
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.