Neonatal Stepping in Relation to Terrestrial Optic Flow
Identifieur interne : 001053 ( Ncbi/Merge ); précédent : 001052; suivant : 001054Neonatal 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
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<pmc-dir>properties manuscript</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-journal-id">0372725</journal-id><journal-id journal-id-type="pubmed-jr-id">2917</journal-id><journal-id journal-id-type="nlm-ta">Child Dev</journal-id><journal-title>Child development</journal-title><issn pub-type="ppub">0009-3920</issn><issn pub-type="epub">1467-8624</issn></journal-meta><article-meta><article-id pub-id-type="pmid">19236388</article-id><article-id pub-id-type="pmc">2709813</article-id><article-id pub-id-type="doi">10.1111/j.1467-8624.2008.01241.x</article-id><article-id pub-id-type="manuscript">NIHMS88709</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title-group><article-title>Neonatal Stepping in Relation to Terrestrial Optic Flow</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Barbu-Roth</surname><given-names>Marianne</given-names></name></contrib><contrib contrib-type="author"><name><surname>Anderson</surname><given-names>David I.</given-names></name></contrib><contrib contrib-type="author"><name><surname>Desprès</surname><given-names>Adeline</given-names></name></contrib><contrib contrib-type="author"><name><surname>Provasi</surname><given-names>Joëlle</given-names></name></contrib><contrib contrib-type="author"><name><surname>Cabrol</surname><given-names>Dominique</given-names></name></contrib><contrib contrib-type="author"><name><surname>Campos</surname><given-names>Joseph J.</given-names></name></contrib><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></aff></contrib-group><pub-date pub-type="nihms-submitted"><day>21</day><month>1</month><year>2009</year></pub-date><pub-date pub-type="ppub"><season>Jan-Feb</season><year>2009</year></pub-date><pub-date pub-type="pmc-release"><day>1</day><month>1</month><year>2010</year></pub-date><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></article-meta></front></pmc><affiliations><list></list><tree><noCountry><name sortKey="Anderson, David I" sort="Anderson, David I" uniqKey="Anderson D" first="David I." last="Anderson">David I. Anderson</name><name sortKey="Barbu Roth, Marianne" sort="Barbu Roth, Marianne" uniqKey="Barbu Roth M" first="Marianne" last="Barbu-Roth">Marianne Barbu-Roth</name><name sortKey="Cabrol, Dominique" sort="Cabrol, Dominique" uniqKey="Cabrol D" first="Dominique" last="Cabrol">Dominique Cabrol</name><name sortKey="Campos, Joseph J" sort="Campos, Joseph J" uniqKey="Campos J" first="Joseph J." last="Campos">Joseph J. Campos</name><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></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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