Responses to vocalizations and auditory controls in the human newborn brain

Alejandrina Cristia, Yasuyo Minagawa, Emmanuel Dupoux

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In the adult brain, speech can recruit a brain network that is overlapping with, but not identical to, that involved in perceiving non-linguistic vocalizations. Using the same stimuli that had been presented to human 4-month-olds and adults, as well as adult macaques, we sought to shed light on the cortical networks engaged when human newborns process diverse vocalization types. Near infrared spectroscopy was used to register the response of 40 newborns' perisylvian regions when stimulated with speech, human and macaque emotional vocalizations, as well as auditory controls where the formant structure was destroyed but the long-term spectrum was retained. Left fronto-temporal and parietal regions were significantly activated in the comparison of stimulation versus rest, with unclear selectivity in cortical activation. These results for the newborn brain are qualitatively and quantitatively compared with previous work on newborns, older human infants, adult humans, and adult macaques reported in previous work.

Original languageEnglish
Article numbere115162
JournalPLoS One
Volume9
Issue number12
DOIs
Publication statusPublished - 2014 Dec 17

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vocalization
Brain
neonates
Newborn Infant
brain
Macaca
Near infrared spectroscopy
Chemical activation
Parietal Lobe
Near-Infrared Spectroscopy
near-infrared spectroscopy
Temporal Lobe

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Responses to vocalizations and auditory controls in the human newborn brain. / Cristia, Alejandrina; Minagawa, Yasuyo; Dupoux, Emmanuel.

In: PLoS One, Vol. 9, No. 12, e115162, 17.12.2014.

Research output: Contribution to journalArticle

Cristia, Alejandrina ; Minagawa, Yasuyo ; Dupoux, Emmanuel. / Responses to vocalizations and auditory controls in the human newborn brain. In: PLoS One. 2014 ; Vol. 9, No. 12.
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