articleProceedings of the National Academy of SciencesSep 19, 2003GREEN OA

Sounds and silence: An optical topography study of language recognition at birth

MPMarcela PeñaAMAtsushi MakiDKDamir KovačićGDGhislaine Dehaene‐LambertzHKHideaki Koizumi

Centre National de la Recherche Scientifique · Scuola Internazionale Superiore di Studi Avanzati · +2 more institutions

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Abstract

Does the neonate's brain have left hemisphere (LH) dominance for speech? Twelve full-term neonates participated in an optical topography study designed to assess whether the neonate brain responds specifically to linguistic stimuli. Participants were tested with normal infant-directed speech, with the same utterances played in reverse and without auditory stimulation. We used a 24-channel optical topography device to assess changes in the concentration of total hemoglobin in response to auditory stimulation in 12 areas of the right hemisphere and 12 areas of the LH. We found that LH temporal areas showed significantly more activation when infants were exposed to normal speech than to backward speech or…

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729
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11.07
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100%
References
21
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Authors

7

Topics & keywords

Topics
Keywords
  • Silence
  • Stimulation
  • Audiology
  • Lateralization of brain function
  • Psychology
  • Right hemisphere
  • Dominance (genetics)
  • Medicine
UN Sustainable Development Goals
  • Quality Education
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