Document Detail


Inter-manual transfer of object texture and shape in human neonates.
MedLine Citation:
PMID:  18006025     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Two experiments, using habituation/reaction to novelty procedure, were performed to assess human neonates' ability to process and exchange information about texture (Experiment 1) or shape (Experiment 2) between their hands, without visual control. Forty-eight newborn infants (24 per experiment) received a haptic habituation either with their right or left hand followed by a haptic discrimination test in the opposite hand. Results revealed two patterns of behaviour, according to the object property to be processed. After a tactual habituation to a texture in one hand, newborns held the novel texture longer in the other hand. On the contrary, after a tactual habituation to a shape in one hand, the familiar shape was held longer in the opposite hand. The findings suggest that inter-manual transfer is possible at birth despite of the relative immaturity of the corpus callosum. The discrepancies of performances between object properties are discussed in relation to the possibility of a different haptic processing of texture and shape in the newborn brain.
Authors:
Coralie Sann; Arlette Streri
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-10-06
Journal Detail:
Title:  Neuropsychologia     Volume:  46     ISSN:  0028-3932     ISO Abbreviation:  Neuropsychologia     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2008-02-11     Completed Date:  2008-05-02     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0020713     Medline TA:  Neuropsychologia     Country:  England    
Other Details:
Languages:  eng     Pagination:  698-703     Citation Subset:  IM    
Affiliation:
Psychology for Perception"Laboratory, FRE 2929 CNRS, Paris Descartes University, Institute of Psychology, 45 rue des Saints-Pères, 75270 Paris Cedex 06, France. mai_anhsann@hotmail.com
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MeSH Terms
Descriptor/Qualifier:
Corpus Callosum / growth & development,  physiology
Discrimination (Psychology) / physiology*
Exploratory Behavior / physiology
Female
Functional Laterality / physiology*
Habituation, Psychophysiologic / physiology*
Humans
Infant, Newborn
Male
Motor Skills / physiology
Recognition (Psychology) / physiology*
Reference Values
Surface Properties
Touch / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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