Infants’ Perception of Affordances of Slopes Under High and Low Friction Conditions
Identifieur interne : 001653 ( Ncbi/Curation ); précédent : 001652; suivant : 001654Infants’ Perception of Affordances of Slopes Under High and Low Friction Conditions
Auteurs : Karen E. Adolph [États-Unis] ; Amy S. Joh [États-Unis] ; Marion A. Eppler [États-Unis]Source :
- Journal of experimental psychology. Human perception and performance [ 0096-1523 ] ; 2010.
Abstract
Three experiments investigated whether 14- and 15-month-old infants use information for both friction and slant for prospective control of locomotion down slopes. In Experiment 1, high and low friction conditions were interleaved on a range of shallow and steep slopes. In Experiment 2, friction conditions were blocked. In Experiment 3, the low friction surface was visually distinct from the surrounding high friction surface. In all three experiments, infants could walk down steeper slopes in the high friction condition than in the low. Infants detected affordances for walking down slopes in the high friction condition, but in the low friction condition, they attempted impossibly slippery slopes and fell repeatedly. In both friction conditions, when infants paused to explore slopes, they were less likely to attempt slopes beyond their ability. Exploration was elicited by visual information for slant (Experiments 1 and 2) or a visually distinct surface that marked the change in friction (Experiment 3).
Url:
DOI: 10.1037/a0017450
PubMed: 20695700
PubMed Central: 3648889
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Joh</name><affiliation wicri:level="2"><nlm:aff id="A2">Department of Psychology and Neuroscience, Duke University, Durham, North Carolina</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Caroline du Nord</region></placeName><wicri:cityArea>Department of Psychology and Neuroscience, Duke University, Durham</wicri:cityArea></affiliation></author><author><name sortKey="Eppler, Marion A" sort="Eppler, Marion A" uniqKey="Eppler M" first="Marion A." last="Eppler">Marion A. Eppler</name><affiliation wicri:level="2"><nlm:aff id="A3">Department of Psychology, East Carolina University, Greenville, North Carolina</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Caroline du Nord</region></placeName><wicri:cityArea>Department of Psychology, East Carolina University, Greenville</wicri:cityArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">20695700</idno><idno type="pmc">3648889</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3648889</idno><idno type="RBID">PMC:3648889</idno><idno type="doi">10.1037/a0017450</idno><date when="2010">2010</date><idno type="wicri:Area/Pmc/Corpus">001908</idno><idno type="wicri:Area/Pmc/Curation">001908</idno><idno type="wicri:Area/Pmc/Checkpoint">001E65</idno><idno type="wicri:Area/Ncbi/Merge">001653</idno><idno type="wicri:Area/Ncbi/Curation">001653</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Infants’ Perception of Affordances of Slopes Under High and Low Friction Conditions</title><author><name sortKey="Adolph, Karen E" sort="Adolph, Karen E" uniqKey="Adolph K" first="Karen E." last="Adolph">Karen E. Adolph</name><affiliation wicri:level="2"><nlm:aff id="A1">Department of Psychology, New York University, New York, New York</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">État de New York</region></placeName><wicri:cityArea>Department of Psychology, New York University, New York</wicri:cityArea></affiliation></author><author><name sortKey="Joh, Amy S" sort="Joh, Amy S" uniqKey="Joh A" first="Amy S." last="Joh">Amy S. Joh</name><affiliation wicri:level="2"><nlm:aff id="A2">Department of Psychology and Neuroscience, Duke University, Durham, North Carolina</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Caroline du Nord</region></placeName><wicri:cityArea>Department of Psychology and Neuroscience, Duke University, Durham</wicri:cityArea></affiliation></author><author><name sortKey="Eppler, Marion A" sort="Eppler, Marion A" uniqKey="Eppler M" first="Marion A." last="Eppler">Marion A. Eppler</name><affiliation wicri:level="2"><nlm:aff id="A3">Department of Psychology, East Carolina University, Greenville, North Carolina</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Caroline du Nord</region></placeName><wicri:cityArea>Department of Psychology, East Carolina University, Greenville</wicri:cityArea></affiliation></author></analytic><series><title level="j">Journal of experimental psychology. Human perception and performance</title><idno type="ISSN">0096-1523</idno><idno type="eISSN">1939-1277</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P1">Three experiments investigated whether 14- and 15-month-old infants use information for both friction and slant for prospective control of locomotion down slopes. In Experiment 1, high and low friction conditions were interleaved on a range of shallow and steep slopes. In Experiment 2, friction conditions were blocked. In Experiment 3, the low friction surface was visually distinct from the surrounding high friction surface. In all three experiments, infants could walk down steeper slopes in the high friction condition than in the low. Infants detected affordances for walking down slopes in the high friction condition, but in the low friction condition, they attempted impossibly slippery slopes and fell repeatedly. In both friction conditions, when infants paused to explore slopes, they were less likely to attempt slopes beyond their ability. Exploration was elicited by visual information for slant (Experiments 1 and 2) or a visually distinct surface that marked the change in friction (Experiment 3).</p></div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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