PERSPECTIVE
Infant-directed speech vs adult-directed speech
From mother’s mouth to infant’s brain
Department of Pediatrics, Boston Medical Center, Boston University School of Medicine 5, Boston, Massachusetts, USA
Correspondence to:
Correspondence to:
Dr M Augustyn
Boston Medical Center, 91 East Concord Street, Boston, MA 02118, USA; augustyn@bu.edu
Perspective on the paper by Saito et al (see page 113)
| The first 150 words of the full text of this article appear below. |
It is well documented that newborns and even fetuses know their own mother’s voice: non-nutritive sucking1 and fetal heart rate increase2 in response to the mother’s voice compared with the voice of a stranger. Even with this recognition by the infant, one observes that parents adjust their speech to their infants by exaggerating sounds and pitch as well as their facial expressions, opening their mouths wider and raising their eyebrows. This is called infant-directed speech in the article by Saito et al3 in this issue, formerly referred to as "motherese" or "parentese". Although no one "teaches" parents to speak like this to their infants, it is omnipresent and even children as young as four years across all cultures speak like this to infants.3,4 If infants know their mother’s voice as these and previous researchers posit, why do mothers speak like this to their infants? The
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- Frontal cerebral blood flow change associated with infant-directed speech
- Y Saito, S Aoyama, T Kondo, R Fukumoto, N Konishi, K Nakamura, M Kobayashi, and T Toshima
Arch. Dis. Child. Fetal Neonatal Ed. 2007 92: F113-F116.[Abstract] [Full Text] [PDF]
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