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Dynamic cortico-cortical information transfer regimes during vocalization

View ORCID ProfileFrancisco García-Rosales, View ORCID ProfileLuciana López-Jury, Eugenia Gonzalez-Palomares, Johannes Wetekam, Yuranny Cabral-Calderín, Ava Kiai, Manfred Kössl, View ORCID ProfileJulio C. Hechavarría
doi: https://doi.org/10.1101/2021.03.15.435430
Francisco García-Rosales
1Institut für Zellbiologie und Neurowissenschaft, Goethe-Universität, 60438 Frankfurt/M., Germany
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  • ORCID record for Francisco García-Rosales
  • For correspondence: garciarosales@bio.uni-frankfurt.de hechavarria@bio.uni-frankfurt.de
Luciana López-Jury
1Institut für Zellbiologie und Neurowissenschaft, Goethe-Universität, 60438 Frankfurt/M., Germany
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  • ORCID record for Luciana López-Jury
Eugenia Gonzalez-Palomares
1Institut für Zellbiologie und Neurowissenschaft, Goethe-Universität, 60438 Frankfurt/M., Germany
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Johannes Wetekam
1Institut für Zellbiologie und Neurowissenschaft, Goethe-Universität, 60438 Frankfurt/M., Germany
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Yuranny Cabral-Calderín
2Research Group Neural and Environmental Rhythms, Max Planck Institute for Empirical Aesthetics, 60322 Frankfurt/M., Germany
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Ava Kiai
1Institut für Zellbiologie und Neurowissenschaft, Goethe-Universität, 60438 Frankfurt/M., Germany
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Manfred Kössl
1Institut für Zellbiologie und Neurowissenschaft, Goethe-Universität, 60438 Frankfurt/M., Germany
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Julio C. Hechavarría
1Institut für Zellbiologie und Neurowissenschaft, Goethe-Universität, 60438 Frankfurt/M., Germany
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  • ORCID record for Julio C. Hechavarría
  • For correspondence: garciarosales@bio.uni-frankfurt.de hechavarria@bio.uni-frankfurt.de
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Abstract

The mammalian frontal and auditory cortices are fundamental structures supporting vocal production, yet the dynamics of information exchange between these regions during vocalization are unknown. Here, we tackle this issue by means of electrophysiological recordings in the fronto-auditory network of freely-vocalizing Carollia perspicillata bats. We find that oscillations in frontal and auditory cortices provide correlates of vocal production with complementary patterns across structures. Causality analyses of oscillatory activity revealed directed information exchange in the network, predominantly of top-down nature (frontal to auditory). Such directed connectivity was dynamic, as it depended on the type of vocalization produced, and on the timing relative to vocal onset. Remarkably, we observed the emergence of bottom-up information transfer only when bats produced calls with evident post-vocal consequences (echolocation pulses). Our results link vocal production to dynamic information transfer between sensory (auditory) and association areas in a highly vocal mammalian animal model.

Competing Interest Statement

The authors have declared no competing interest.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-ND 4.0 International license.
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Posted March 15, 2021.
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Dynamic cortico-cortical information transfer regimes during vocalization
Francisco García-Rosales, Luciana López-Jury, Eugenia Gonzalez-Palomares, Johannes Wetekam, Yuranny Cabral-Calderín, Ava Kiai, Manfred Kössl, Julio C. Hechavarría
bioRxiv 2021.03.15.435430; doi: https://doi.org/10.1101/2021.03.15.435430
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Dynamic cortico-cortical information transfer regimes during vocalization
Francisco García-Rosales, Luciana López-Jury, Eugenia Gonzalez-Palomares, Johannes Wetekam, Yuranny Cabral-Calderín, Ava Kiai, Manfred Kössl, Julio C. Hechavarría
bioRxiv 2021.03.15.435430; doi: https://doi.org/10.1101/2021.03.15.435430

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