The relationship between reduplicated babble onset and laterality biases in infant rhythmic arm movements  

Oleh:

Iverson, Jana M. ; Hall, Amanda J. ; Nickel, Lindsay ; Wozniak, Robert H.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 101 no. 3 (2007), page 198-207.
Topik: Motor development; Babbling; Language development; Gesture
Fulltext: 101_03_Iverson.pdf (257.31KB)

Isi artikel

This study examined changes in rhythmic arm shaking and laterality biases in infants observed longitudinally at three points: just prior to, at, and just following reduplicated babble onset. Infants (ranging in age from 4 to 9 months at babble onset) were videotaped at home as they played with two visually identical audible and silent rattles presented at midline for 1.5min each. Rate of rattle shaking increased sharply from the pre-babble to the babble onset session; but there was no indication that this increase was speciWc to the right arm. This Wnding suggests that the link between babble onset and increased rhythmic arm activity may not be the product of languagespeciWc mechanisms, but is rather part of a broader developmental process that is also perceptual and motor.

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