Functionally homologous representation of vocalizations in the auditory cortex of humans and macaques
| Autor: | Bodin, Clémentine, Trapeau, Régis, Nazarian, Bruno, Sein, Julien, Degiovanni, Xavier, Baurberg, Joël, Rapha, Emilie, Renaud, Luc, Giordano, Bruno L., Belin, Pascal |
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| Přispěvatelé: | Institut de Neurosciences de la Timone (INT), Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS), ANR-16-CONV-0002,ILCB,ILCB: Institute of Language Communication and the Brain(2016), ANR-16-CE37-0011,PRIMAVOICE,Comparative Studies of Cerebral Voice Processing in Primates(2016), ANR-11-LABX-0036,BLRI,Brain & LANGUAGE Research Institute(2011) |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Primates
Brain Mapping speech evolution macaques [SCCO.NEUR]Cognitive science/Neuroscience voice Magnetic Resonance Imaging Acoustic Stimulation Report temporal voice areas Auditory Perception Animals Macaca auditory cortex functional MRI Vocalization Animal comparative approach humans conspecific vocalizations |
| Zdroj: | Current Biology-CB Current Biology-CB, In press, ⟨10.1016/j.cub.2021.08.043⟩ Current Biology-CB, Elsevier, In press, ⟨10.1016/j.cub.2021.08.043⟩ Current Biology |
| ISSN: | 0960-9822 1879-0445 |
| DOI: | 10.1016/j.cub.2021.08.043⟩ |
| Popis: | Summary How the evolution of speech has transformed the human auditory cortex compared to other primates remains largely unknown. While primary auditory cortex is organized largely similarly in humans and macaques,1 the picture is much less clear at higher levels of the anterior auditory pathway,2 particularly regarding the processing of conspecific vocalizations (CVs). A “voice region” similar to the human voice-selective areas3,4 has been identified in the macaque right anterior temporal lobe with functional MRI;5 however, its anatomical localization, seemingly inconsistent with that of the human temporal voice areas (TVAs), has suggested a “repositioning of the voice area” in recent human evolution.6 Here we report a functional homology in the cerebral processing of vocalizations by macaques and humans, using comparative fMRI and a condition-rich auditory stimulation paradigm. We find that the anterior temporal lobe of both species possesses cortical voice areas that are bilateral and not only prefer conspecific vocalizations but also implement a representational geometry categorizing them apart from all other sounds in a species-specific but homologous manner. These results reveal a more similar functional organization of higher-level auditory cortex in macaques and humans than currently known. Graphical abstract Highlights • Both macaques and humans show voice-selective anterior temporal voice areas • Similar representation of sounds in primary auditory cortex of both species • The aTVAs categorize conspecific vocalizations apart from other sounds • Functional homology in high-level auditory cortex of humans and macaques Bodin et al. report a functional homology in the cerebral processing of conspecific vocalizations by macaques and humans. Comparative fMRI reveals that both species possess bilateral anterior temporal voice areas that not only prefer conspecific vocalizations but also categorize them apart from all other sounds in a functionally homologous manner. |
| Databáze: | OpenAIRE |
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