Looking and touching: what extant approaches reveal about the structure of early word knowledge.
Identifieur interne : 000748 ( Main/Exploration ); précédent : 000747; suivant : 000749Looking and touching: what extant approaches reveal about the structure of early word knowledge.
Auteurs : Kristi Hendrickson [États-Unis] ; Samantha Mitsven [États-Unis] ; Diane Poulin-Dubois [Canada] ; Pascal Zesiger [Suisse] ; Margaret Friend [États-Unis]Source :
- Developmental science [ 1467-7687 ] ; 2015.
English descriptors
- KwdEn :
- MESH :
- physiology : Reaction Time, Touch, Vision, Ocular.
- Association Learning, Female, Humans, Infant, Knowledge, Male, Pattern Recognition, Visual, Photic Stimulation, Vocabulary.
Abstract
The goal of the current study is to assess the temporal dynamics of vision and action to evaluate the underlying word representations that guide infants' responses. Sixteen-month-old infants participated in a two-alternative forced-choice word-picture matching task. We conducted a moment-by-moment analysis of looking and reaching behaviors as they occurred in tandem to assess the speed with which a prompted word was processed (visual reaction time) as a function of the type of haptic response: Target, Distractor, or No Touch. Visual reaction times (visual RTs) were significantly slower during No Touches compared to Distractor and Target Touches, which were statistically indistinguishable. The finding that visual RTs were significantly faster during Distractor Touches compared to No Touches suggests that incorrect and absent haptic responses appear to index distinct knowledge states: incorrect responses are associated with partial knowledge whereas absent responses appear to reflect a true failure to map lexical items to their target referents. Further, we found that those children who were faster at processing words were also those children who exhibited better haptic performance. This research provides a methodological clarification on knowledge measured by the visual and haptic modalities and new evidence for a continuum of word knowledge in the second year of life.
DOI: 10.1111/desc.12250
PubMed: 25444711
Affiliations:
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Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Psychology, Concordia University</wicri:regionArea><wicri:noRegion>Concordia University</wicri:noRegion></affiliation></author><author><name sortKey="Zesiger, Pascal" sort="Zesiger, Pascal" uniqKey="Zesiger P" first="Pascal" last="Zesiger">Pascal Zesiger</name><affiliation wicri:level="4"><nlm:affiliation>Department of Psychology, Université de Genève, Switzerland.</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>Department of Psychology, Université de Genève</wicri:regionArea><placeName><settlement type="city">Genève</settlement><region nuts="3" type="region">Canton de Genève</region></placeName><orgName type="university">Université de Genève</orgName></affiliation></author><author><name sortKey="Friend, Margaret" sort="Friend, Margaret" uniqKey="Friend M" first="Margaret" last="Friend">Margaret Friend</name><affiliation wicri:level="1"><nlm:affiliation>Department 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Time</term><term>Touch</term><term>Vision, Ocular</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Association Learning</term><term>Female</term><term>Humans</term><term>Infant</term><term>Knowledge</term><term>Male</term><term>Pattern Recognition, Visual</term><term>Photic Stimulation</term><term>Vocabulary</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The goal of the current study is to assess the temporal dynamics of vision and action to evaluate the underlying word representations that guide infants' responses. Sixteen-month-old infants participated in a two-alternative forced-choice word-picture matching task. We conducted a moment-by-moment analysis of looking and reaching behaviors as they occurred in tandem to assess the speed with which a prompted word was processed (visual reaction time) as a function of the type of haptic response: Target, Distractor, or No Touch. Visual reaction times (visual RTs) were significantly slower during No Touches compared to Distractor and Target Touches, which were statistically indistinguishable. The finding that visual RTs were significantly faster during Distractor Touches compared to No Touches suggests that incorrect and absent haptic responses appear to index distinct knowledge states: incorrect responses are associated with partial knowledge whereas absent responses appear to reflect a true failure to map lexical items to their target referents. Further, we found that those children who were faster at processing words were also those children who exhibited better haptic performance. This research provides a methodological clarification on knowledge measured by the visual and haptic modalities and new evidence for a continuum of word knowledge in the second year of life.</div></front></TEI><affiliations><list><country><li>Canada</li><li>Suisse</li><li>États-Unis</li></country><region><li>Californie</li><li>Canton de Genève</li></region><settlement><li>Genève</li><li>San Diego</li></settlement><orgName><li>Université de Genève</li></orgName></list><tree><country name="États-Unis"><region name="Californie"><name sortKey="Hendrickson, Kristi" sort="Hendrickson, Kristi" uniqKey="Hendrickson K" first="Kristi" last="Hendrickson">Kristi Hendrickson</name></region><name sortKey="Friend, Margaret" sort="Friend, Margaret" uniqKey="Friend M" first="Margaret" last="Friend">Margaret Friend</name><name sortKey="Mitsven, Samantha" sort="Mitsven, Samantha" uniqKey="Mitsven S" first="Samantha" last="Mitsven">Samantha Mitsven</name></country><country name="Canada"><noRegion><name sortKey="Poulin Dubois, Diane" sort="Poulin Dubois, Diane" uniqKey="Poulin Dubois D" first="Diane" last="Poulin-Dubois">Diane Poulin-Dubois</name></noRegion></country><country name="Suisse"><region name="Canton de Genève"><name sortKey="Zesiger, Pascal" sort="Zesiger, Pascal" uniqKey="Zesiger P" first="Pascal" last="Zesiger">Pascal Zesiger</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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