Influence of visual contextual cues on haptic discrimination of orientations in 5-month-old infants.
Identifieur interne : 000711 ( France/Analysis ); précédent : 000710; suivant : 000712Influence of visual contextual cues on haptic discrimination of orientations in 5-month-old infants.
Auteurs : Stéphanie Kerzerho [France] ; Edouard Gentaz ; Arlette StreriSource :
- Brain research [ 1872-6240 ] ; 2008.
English descriptors
- KwdEn :
- MESH :
- physiology : Brain, Discrimination (Psychology), Orientation, Space Perception, Visual Perception.
- Cues, Female, Humans, Infant, Male, Photic Stimulation.
Abstract
The present research addressed the question of the influence of visual contextual cues on the manual discrimination of spatial orientations in 5-month-old infants. Different types of visual contextual cues were proposed during the haptic discrimination task: congruent-informative, non congruent-informative or noninformative. A familiarization (with a 60-s fixed-duration)/reaction to novelty procedure was used in three experiments. In Experiment 1, a congruent-informative visual context (a visual context composed of alternate black and white stripes tilted to 20 degrees -left) was present and a haptic discrimination between a 20 degrees -left rod and a 30 degrees -left rod was observed (this discrimination was absent without visual context in Gentaz and Streri's study, 2004). In Experiment 2, the visual context cues (composed of black dots) were noninformative, and infants could not discriminate these two oblique rods. In Experiment 3, the presence of a non congruent visual context (a visual context composed of alternate black and white stripes tilted to 20 degrees -left, as in Experiment 1) disturbed the gravitational vertical perception usually observed: infants could not discriminate the vertical rod from the 10 degrees -left rod. These results showed that only the informative (congruent and non congruent) visual contextual cues influenced the haptic discrimination of spatial orientations in 5-month-old infants. These results are discussed in relation with data observed in adults and with the current models of the multisensorial integration and attentional level.
DOI: 10.1016/j.brainres.2008.06.055
PubMed: 18625212
Affiliations:
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CNRS, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Paris Descartes University, L.P.P. CNRS</wicri:regionArea><wicri:noRegion>L.P.P. CNRS</wicri:noRegion><wicri:noRegion>L.P.P. CNRS</wicri:noRegion></affiliation></author><author><name sortKey="Gentaz, Edouard" sort="Gentaz, Edouard" uniqKey="Gentaz E" first="Edouard" last="Gentaz">Edouard Gentaz</name></author><author><name sortKey="Streri, Arlette" sort="Streri, Arlette" uniqKey="Streri A" first="Arlette" last="Streri">Arlette Streri</name></author></analytic><series><title level="j">Brain research</title><idno type="eISSN">1872-6240</idno><imprint><date when="2008" type="published">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Brain (physiology)</term><term>Cues</term><term>Discrimination (Psychology) (physiology)</term><term>Female</term><term>Humans</term><term>Infant</term><term>Male</term><term>Orientation (physiology)</term><term>Photic Stimulation</term><term>Space Perception (physiology)</term><term>Visual Perception (physiology)</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Brain</term><term>Discrimination (Psychology)</term><term>Orientation</term><term>Space Perception</term><term>Visual Perception</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Cues</term><term>Female</term><term>Humans</term><term>Infant</term><term>Male</term><term>Photic Stimulation</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The present research addressed the question of the influence of visual contextual cues on the manual discrimination of spatial orientations in 5-month-old infants. Different types of visual contextual cues were proposed during the haptic discrimination task: congruent-informative, non congruent-informative or noninformative. A familiarization (with a 60-s fixed-duration)/reaction to novelty procedure was used in three experiments. In Experiment 1, a congruent-informative visual context (a visual context composed of alternate black and white stripes tilted to 20 degrees -left) was present and a haptic discrimination between a 20 degrees -left rod and a 30 degrees -left rod was observed (this discrimination was absent without visual context in Gentaz and Streri's study, 2004). In Experiment 2, the visual context cues (composed of black dots) were noninformative, and infants could not discriminate these two oblique rods. In Experiment 3, the presence of a non congruent visual context (a visual context composed of alternate black and white stripes tilted to 20 degrees -left, as in Experiment 1) disturbed the gravitational vertical perception usually observed: infants could not discriminate the vertical rod from the 10 degrees -left rod. These results showed that only the informative (congruent and non congruent) visual contextual cues influenced the haptic discrimination of spatial orientations in 5-month-old infants. These results are discussed in relation with data observed in adults and with the current models of the multisensorial integration and attentional level.</div></front></TEI><affiliations><list><country><li>France</li></country></list><tree><noCountry><name sortKey="Gentaz, Edouard" sort="Gentaz, Edouard" uniqKey="Gentaz E" first="Edouard" last="Gentaz">Edouard Gentaz</name><name sortKey="Streri, Arlette" sort="Streri, Arlette" uniqKey="Streri A" first="Arlette" last="Streri">Arlette Streri</name></noCountry><country name="France"><noRegion><name sortKey="Kerzerho, Stephanie" sort="Kerzerho, Stephanie" uniqKey="Kerzerho S" first="Stéphanie" last="Kerzerho">Stéphanie Kerzerho</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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