Neonatal Stepping in Relation to Terrestrial Optic Flow
Identifieur interne : 002099 ( Pmc/Checkpoint ); précédent : 002098; suivant : 002100Neonatal Stepping in Relation to Terrestrial Optic Flow
Auteurs : Marianne Barbu-Roth ; David I. Anderson ; Adeline Desprès ; Joëlle Provasi ; Dominique Cabrol ; Joseph J. CamposSource :
- Child development [ 0009-3920 ] ; 2009.
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
Affiliations:
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PMC:2709813Le document en format XML
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<author><name sortKey="Barbu Roth, Marianne" sort="Barbu Roth, Marianne" uniqKey="Barbu Roth M" first="Marianne" last="Barbu-Roth">Marianne Barbu-Roth</name>
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<series><title level="j">Child development</title>
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<front><div type="abstract" xml:lang="en"><p id="P1">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.</p>
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<title-group><article-title>Neonatal Stepping in Relation to Terrestrial Optic Flow</article-title>
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<contrib-group><contrib contrib-type="author"><name><surname>Barbu-Roth</surname>
<given-names>Marianne</given-names>
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<contrib contrib-type="author"><name><surname>Anderson</surname>
<given-names>David I.</given-names>
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<contrib contrib-type="author"><name><surname>Desprès</surname>
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<contrib contrib-type="author"><name><surname>Provasi</surname>
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<contrib contrib-type="author"><name><surname>Cabrol</surname>
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<contrib contrib-type="author"><name><surname>Campos</surname>
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<aff id="A1">Laboratoire Psychologie de la Perception, Centre National de la Recherche Scientifique, Université Paris Descartes, Paris, France.<email>marianne.barburoth@parisdescartes.fr</email>
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<pub-date pub-type="nihms-submitted"><day>21</day>
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<pub-date pub-type="pmc-release"><day>1</day>
<month>1</month>
<year>2010</year>
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<volume>80</volume>
<issue>1</issue>
<fpage>8</fpage>
<lpage>14</lpage>
<abstract><p id="P1">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.</p>
</abstract>
<contract-num rid="HD1">R03 HD050638-02
||HD</contract-num>
<contract-sponsor id="HD1">National Institute of Child Health & Human Development : NICHD</contract-sponsor>
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<name sortKey="Cabrol, Dominique" sort="Cabrol, Dominique" uniqKey="Cabrol D" first="Dominique" last="Cabrol">Dominique Cabrol</name>
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<name sortKey="Despres, Adeline" sort="Despres, Adeline" uniqKey="Despres A" first="Adeline" last="Desprès">Adeline Desprès</name>
<name sortKey="Provasi, Joelle" sort="Provasi, Joelle" uniqKey="Provasi J" first="Joëlle" last="Provasi">Joëlle Provasi</name>
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