Intramodal and cross-modal discrimination of curvature: Haptic touch versus vision.
Identifieur interne : 001440 ( PubMed/Corpus ); précédent : 001439; suivant : 001441Intramodal and cross-modal discrimination of curvature: Haptic touch versus vision.
Auteurs : Miriam Ittyerah ; Lawrence E. MarksSource :
- Current psychology letters : behaviour, brain & cognition : CPL [ 1376-2095 ] ; 2008.
Abstract
A total of 60 subjects, 20 in each experimental condition, gave 'same-different' judgments to pairs of stimuli differing in radius of curvature. Stimuli were presented intramodally to vision, intramodally to haptic touch, and cross-modally to vision and haptic touch. Results showed that performance, quantified by the measure d', differed among the three modality conditions, being best in vision and poorest in haptics, with cross-modal performance falling roughly mid-way between. Unimodal visual performance exceeded cross-modal performance by about one d' unit, and cross-modal performance similarly exceeded unimodal haptic performance by about one d' unit. The study reveals the relative differences in the discrimination of curvatures of objects in vision and haptics.
PubMed: 18504512
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Marks</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2008">2008</date><idno type="RBID">pubmed:18504512</idno><idno type="pmid">18504512</idno><idno type="wicri:Area/PubMed/Corpus">001440</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Intramodal and cross-modal discrimination of curvature: Haptic touch versus vision.</title><author><name sortKey="Ittyerah, Miriam" sort="Ittyerah, Miriam" uniqKey="Ittyerah M" first="Miriam" last="Ittyerah">Miriam Ittyerah</name><affiliation><nlm:affiliation>Centre for Development Studies, Trivandrum, Kerala, India; miriamittverah7@vahoo.co.in ; www.cds.edu.</nlm:affiliation></affiliation></author><author><name sortKey="Marks, Lawrence E" sort="Marks, Lawrence E" uniqKey="Marks L" first="Lawrence E" last="Marks">Lawrence E. Marks</name></author></analytic><series><title level="j">Current psychology letters : behaviour, brain & cognition : CPL</title><idno type="ISSN">1376-2095</idno><imprint><date when="2008" type="published">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A total of 60 subjects, 20 in each experimental condition, gave 'same-different' judgments to pairs of stimuli differing in radius of curvature. Stimuli were presented intramodally to vision, intramodally to haptic touch, and cross-modally to vision and haptic touch. Results showed that performance, quantified by the measure d', differed among the three modality conditions, being best in vision and poorest in haptics, with cross-modal performance falling roughly mid-way between. Unimodal visual performance exceeded cross-modal performance by about one d' unit, and cross-modal performance similarly exceeded unimodal haptic performance by about one d' unit. The study reveals the relative differences in the discrimination of curvatures of objects in vision and haptics.</div></front></TEI><pubmed><MedlineCitation Status="Publisher" Owner="NLM"><PMID Version="1">18504512</PMID><DateCreated><Year>2009</Year><Month>3</Month><Day>5</Day></DateCreated><Article PubModel="Print"><Journal><ISSN IssnType="Print">1376-2095</ISSN><JournalIssue CitedMedium="Print"><Volume>24</Volume><Issue>1</Issue><PubDate><Year>2008</Year></PubDate></JournalIssue><Title>Current psychology letters : behaviour, brain & cognition : CPL</Title><ISOAbbreviation>Curr Psychol Lett</ISOAbbreviation></Journal><ArticleTitle>Intramodal and cross-modal discrimination of curvature: Haptic touch versus vision.</ArticleTitle><Pagination><MedlinePgn>1-11</MedlinePgn></Pagination><Abstract><AbstractText>A total of 60 subjects, 20 in each experimental condition, gave 'same-different' judgments to pairs of stimuli differing in radius of curvature. Stimuli were presented intramodally to vision, intramodally to haptic touch, and cross-modally to vision and haptic touch. Results showed that performance, quantified by the measure d', differed among the three modality conditions, being best in vision and poorest in haptics, with cross-modal performance falling roughly mid-way between. Unimodal visual performance exceeded cross-modal performance by about one d' unit, and cross-modal performance similarly exceeded unimodal haptic performance by about one d' unit. 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