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Neonatal Stepping in Relation to Terrestrial Optic Flow

Identifieur interne : 000E64 ( Pmc/Corpus ); précédent : 000E63; suivant : 000E65

Neonatal Stepping in Relation to Terrestrial Optic Flow

Auteurs : Marianne Barbu-Roth ; David I. Anderson ; Adeline Desprès ; Joëlle Provasi ; Dominique Cabrol ; Joseph J. Campos

Source :

RBID : PMC:2709813

Abstract

This experiment examined whether newborn stepping, a primitive form of bipedal locomotion, could be modulated by optical flow. 48 3 day-old infants were exposed to optical flows that were projected onto a horizontal surface above which the infants were suspended. Significantly more air steps were elicited by exposure to a terrestrial optical flow specifying forward translation than by a rotating optical flow or a static optical pattern. Thus, a rudimentary coupling between optical flow and locomotion is present at birth, suggesting a precocious capacity in the newborn to perceive and utilize visual information specifying self-motion. The findings may help the early diagnosis of infants with visual or visual-motor deficits and the development of visually-based interventions for disabled infants.


Url:
DOI: 10.1111/j.1467-8624.2008.01241.x
PubMed: 19236388
PubMed Central: 2709813

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