The haptic recognition of geometrical shapes in congenitally blind and blindfolded adolescents: is there a haptic prototype effect?
Identifieur interne : 000B74 ( PubMed/Corpus ); précédent : 000B73; suivant : 000B75The haptic recognition of geometrical shapes in congenitally blind and blindfolded adolescents: is there a haptic prototype effect?
Auteurs : Anne Theurel ; Stéphanie Frileux ; Yvette Hatwell ; Edouard GentazSource :
- PloS one [ 1932-6203 ] ; 2012.
English descriptors
- KwdEn :
- MESH :
- physiopathology : Blindness.
- Adolescent, Bandages, Case-Control Studies, Female, Humans, Male, Visual Perception.
Abstract
It has been shown that visual geometrical shape categories (rectangle and triangle) are graded structures organized around a prototype as demonstrated by perception and production tasks in adults as well as in children. The visual prototypical shapes are better recognized than other exemplars of the categories. Their existence could emerge from early exposure to these prototypical shapes that are present in our visual environment. The present study examined the role of visual experience in the existence of prototypical shapes by comparing the haptic recognition of geometrical shapes in congenitally blind and blindfolded adolescents.
DOI: 10.1371/journal.pone.0040251
PubMed: 22761961
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">The haptic recognition of geometrical shapes in congenitally blind and blindfolded adolescents: is there a haptic prototype effect?</title><author><name sortKey="Theurel, Anne" sort="Theurel, Anne" uniqKey="Theurel A" first="Anne" last="Theurel">Anne Theurel</name><affiliation><nlm:affiliation>Laboratoire de Psychologie et NeuroCognition, UMR CNRS 5105, Université Pierre Mendès-France, Grenoble, France.</nlm:affiliation></affiliation></author><author><name sortKey="Frileux, Stephanie" sort="Frileux, Stephanie" uniqKey="Frileux S" first="Stéphanie" last="Frileux">Stéphanie Frileux</name></author><author><name sortKey="Hatwell, Yvette" sort="Hatwell, Yvette" uniqKey="Hatwell Y" first="Yvette" last="Hatwell">Yvette Hatwell</name></author><author><name sortKey="Gentaz, Edouard" sort="Gentaz, Edouard" uniqKey="Gentaz E" first="Edouard" last="Gentaz">Edouard Gentaz</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2012">2012</date><idno type="doi">10.1371/journal.pone.0040251</idno><idno type="RBID">pubmed:22761961</idno><idno type="pmid">22761961</idno><idno type="wicri:Area/PubMed/Corpus">000B74</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">The haptic recognition of geometrical shapes in congenitally blind and blindfolded adolescents: is there a haptic prototype effect?</title><author><name sortKey="Theurel, Anne" sort="Theurel, Anne" uniqKey="Theurel A" first="Anne" last="Theurel">Anne Theurel</name><affiliation><nlm:affiliation>Laboratoire de Psychologie et NeuroCognition, UMR CNRS 5105, Université Pierre Mendès-France, Grenoble, France.</nlm:affiliation></affiliation></author><author><name sortKey="Frileux, Stephanie" sort="Frileux, Stephanie" uniqKey="Frileux S" first="Stéphanie" last="Frileux">Stéphanie Frileux</name></author><author><name sortKey="Hatwell, Yvette" sort="Hatwell, Yvette" uniqKey="Hatwell Y" first="Yvette" last="Hatwell">Yvette Hatwell</name></author><author><name sortKey="Gentaz, Edouard" sort="Gentaz, Edouard" uniqKey="Gentaz E" first="Edouard" last="Gentaz">Edouard Gentaz</name></author></analytic><series><title level="j">PloS one</title><idno type="eISSN">1932-6203</idno><imprint><date when="2012" type="published">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent</term><term>Bandages</term><term>Blindness (physiopathology)</term><term>Case-Control Studies</term><term>Female</term><term>Humans</term><term>Male</term><term>Visual Perception</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Blindness</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adolescent</term><term>Bandages</term><term>Case-Control Studies</term><term>Female</term><term>Humans</term><term>Male</term><term>Visual Perception</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">It has been shown that visual geometrical shape categories (rectangle and triangle) are graded structures organized around a prototype as demonstrated by perception and production tasks in adults as well as in children. The visual prototypical shapes are better recognized than other exemplars of the categories. Their existence could emerge from early exposure to these prototypical shapes that are present in our visual environment. The present study examined the role of visual experience in the existence of prototypical shapes by comparing the haptic recognition of geometrical shapes in congenitally blind and blindfolded adolescents.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">22761961</PMID><DateCreated><Year>2012</Year><Month>07</Month><Day>04</Day></DateCreated><DateCompleted><Year>2013</Year><Month>01</Month><Day>04</Day></DateCompleted><DateRevised><Year>2015</Year><Month>02</Month><Day>24</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1932-6203</ISSN><JournalIssue CitedMedium="Internet"><Volume>7</Volume><Issue>6</Issue><PubDate><Year>2012</Year></PubDate></JournalIssue><Title>PloS one</Title><ISOAbbreviation>PLoS ONE</ISOAbbreviation></Journal><ArticleTitle>The haptic recognition of geometrical shapes in congenitally blind and blindfolded adolescents: is there a haptic prototype effect?</ArticleTitle><Pagination><MedlinePgn>e40251</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1371/journal.pone.0040251</ELocationID><Abstract><AbstractText Label="BACKGROUND" NlmCategory="BACKGROUND">It has been shown that visual geometrical shape categories (rectangle and triangle) are graded structures organized around a prototype as demonstrated by perception and production tasks in adults as well as in children. The visual prototypical shapes are better recognized than other exemplars of the categories. Their existence could emerge from early exposure to these prototypical shapes that are present in our visual environment. The present study examined the role of visual experience in the existence of prototypical shapes by comparing the haptic recognition of geometrical shapes in congenitally blind and blindfolded adolescents.</AbstractText><AbstractText Label="METHODOLOGY/PRINCIPAL FINDINGS" NlmCategory="RESULTS">To determine whether the existence of a prototype effect (higher recognition of prototypical shapes than non prototypical shapes) depended on visual experience, congenitally blind and blindfolded sighted adolescents were asked to recognize in the haptic modality three categories of correct shapes (square, rectangle, triangle) varying in orientation (prototypical/canonical orientation vs. non prototypical/canonical orientation rotated by 45°) among a set of other shapes. A haptic prototype effect was found in the blindfolded sighted whereas no difference between prototypical and non prototypical correct shapes was observed in the congenitally blind. A control experiment using a similar visual recognition task confirmed the existence of a visual prototype effect in a group of sighted adolescents.</AbstractText><AbstractText Label="CONCLUSION/SIGNIFICANCE" NlmCategory="CONCLUSIONS">These findings show that the prototype effect is not intrinsic to the haptic modality but depends on visual experience. This suggests that the occurrence of visual and haptic prototypical shapes in the recognition of geometrical shape seems to depend on visual exposure to these prototypical shapes existing in our environment.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Theurel</LastName><ForeName>Anne</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Laboratoire de Psychologie et NeuroCognition, UMR CNRS 5105, Université Pierre Mendès-France, Grenoble, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Frileux</LastName><ForeName>Stéphanie</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Hatwell</LastName><ForeName>Yvette</ForeName><Initials>Y</Initials></Author><Author ValidYN="Y"><LastName>Gentaz</LastName><ForeName>Edouard</ForeName><Initials>E</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2012</Year><Month>06</Month><Day>28</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>PLoS One</MedlineTA><NlmUniqueID>101285081</NlmUniqueID><ISSNLinking>1932-6203</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Curr Biol. 2010 Feb 9;20(3):223-5</RefSource><PMID Version="1">20116249</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Neuropsychologia. 2009 Aug;47(10):2037-43</RefSource><PMID Version="1">19467354</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>J Exp Psychol Hum Percept Perform. 2000 Feb;26(1):152-65</RefSource><PMID Version="1">10696611</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Psychol Sci. 2001 Jan;12(1):37-42</RefSource><PMID 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