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Prenatal development of neonatal vocalizations

Darshana Z. Narayanan, View ORCID ProfileDaniel Y. Takahashi, Lauren M. Kelly, Sabina I. Hlavaty, Junzhou Huang, View ORCID ProfileAsif A. Ghazanfar
doi: https://doi.org/10.1101/2022.04.13.488158
Darshana Z. Narayanan
1Princeton Neuroscience Institute, Princeton University, Princeton NJ 08544
2Department of Psychology, Princeton University, Princeton NJ 08544
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Daniel Y. Takahashi
1Princeton Neuroscience Institute, Princeton University, Princeton NJ 08544
2Department of Psychology, Princeton University, Princeton NJ 08544
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  • For correspondence: takahashiyd@gmail.com asifg@princeton.edu
Lauren M. Kelly
1Princeton Neuroscience Institute, Princeton University, Princeton NJ 08544
2Department of Psychology, Princeton University, Princeton NJ 08544
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Sabina I. Hlavaty
3Department of Ecology & Evolutionary Biology, Princeton University, Princeton NJ 08544
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Junzhou Huang
4Department of Computer Science and Engineering, The University of Texas at Arlington, 500 UTA Blvd, ERB 650, Arlington TX 76019
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Asif A. Ghazanfar
1Princeton Neuroscience Institute, Princeton University, Princeton NJ 08544
2Department of Psychology, Princeton University, Princeton NJ 08544
3Department of Ecology & Evolutionary Biology, Princeton University, Princeton NJ 08544
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  • For correspondence: takahashiyd@gmail.com asifg@princeton.edu
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Abstract

Human and non-human primates produce rhythmical sounds as soon as they are born. These early vocalizations are important for soliciting the attention of caregivers. How they develop, remains a mystery. The orofacial movements necessary for producing these vocalizations have distinct spatiotemporal signatures. Therefore, their development could potentially be tracked over the course of prenatal life. We densely and longitudinally sampled fetal head and orofacial movements in marmoset monkeys using ultrasound imaging. We show that orofacial movements necessary for producing rhythmical vocalizations differentiate from a larger movement pattern that includes the entire head. We also show that signature features of marmoset infant contact calls emerge prenatally as a distinct pattern of orofacial movements. Our results establish that aspects of the sensorimotor development necessary for vocalizing occur prenatally, even before the production of sound.

Competing Interest Statement

The authors have declared no competing interest.

Copyright 
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 4.0 International license.
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Posted April 14, 2022.
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Prenatal development of neonatal vocalizations
Darshana Z. Narayanan, Daniel Y. Takahashi, Lauren M. Kelly, Sabina I. Hlavaty, Junzhou Huang, Asif A. Ghazanfar
bioRxiv 2022.04.13.488158; doi: https://doi.org/10.1101/2022.04.13.488158
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Prenatal development of neonatal vocalizations
Darshana Z. Narayanan, Daniel Y. Takahashi, Lauren M. Kelly, Sabina I. Hlavaty, Junzhou Huang, Asif A. Ghazanfar
bioRxiv 2022.04.13.488158; doi: https://doi.org/10.1101/2022.04.13.488158

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