Human amygdala response to unisensory and multisensory emotion input: No evidence for superadditivity from intracranial recordings

Domínguez-Borràs, Judith; Guex, Raphaël; Méndez-Bértolo, Constantino; Legendre, Guillaume; Spinelli, Laurent; Moratti, Stephan; Frühholz, Sascha; Mégevand, Pierre; Arnal, Luc; Strange, Bryan; Seeck, Margitta; Vuilleumier, Patrik

doi:10.1016/j.neuropsychologia.2019.05.027

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Domínguez-Borràs, J., Guex, R., Méndez-Bértolo, C., Legendre, G., Spinelli, L., Moratti, S., Frühholz, S., Mégevand, P., Arnal, L., Strange, B., Seeck, M., & Vuilleumier, P. (2019). Human amygdala response to unisensory and multisensory emotion input: No evidence for superadditivity from intracranial recordings. Neuropsychologia, 131, 9–24. https://doi.org/10.1016/j.neuropsychologia.2019.05.027

Abstract

The amygdala is crucially implicated in processing emotional information from various sensory modalities. However, there is dearth of knowledge concerning the integration and relative time-course of its responses across different channels, i.e., for auditory, visual, and audiovisual input. Functional neuroimaging data in humans point to a possible role of this region in the multimodal integration of emotional signals, but direct evidence for anatomical and temporal overlap of unisensory and multisensory-evoked responses in amygdala is