Infant speech perception activates Broca's area: A developmental magnetoencephalography study

Toshiaki Imada; Yang Zhang; Marie Cheour; Samu Taulu; Antti Ahonen; Patricia K. Kuhl

doi:10.1097/01.wnr.0000223387.51704.89

Infant speech perception activates Broca's area: A developmental magnetoencephalography study

Toshiaki Imada, Yang Zhang, Marie Cheour, Samu Taulu, Antti Ahonen, Patricia K. Kuhl

Speech-Language-Hearing Sciences

Research output: Contribution to journal › Article › peer-review

176 Scopus citations

Abstract

Discriminative responses to tones, harmonics, and syllables in the left hemisphere were measured with magnetoencephalography in neonates, 6-month-old infants, and 12-month-old infants using the oddball paradigm. Real-time head position tracking, signal space separation, and head position standardization were applied to secure quality data for source localization. Minimum current estimates were calculated to characterize infants' cortical activities for detecting sound changes. The activation patterns observed in the superior temporal and inferior frontal regions provide initial evidence for the developmental emergence early in life of a perceptual-motor link for speech perception that may depend on experience.

Original language	English (US)
Pages (from-to)	957-962
Number of pages	6
Journal	Neuroreport
Volume	17
Issue number	10
DOIs	https://doi.org/10.1097/01.wnr.0000223387.51704.89
State	Published - Jun 2006

Keywords

Broca's area
Infant
Magnetoencephalography
Minimum current estimate
Mirror neuron
Speech perception

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AU - Cheour, Marie

AU - Taulu, Samu

AU - Ahonen, Antti

AU - Kuhl, Patricia K.

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KW - Mirror neuron

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Infant speech perception activates Broca's area: A developmental magnetoencephalography study

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