Haptic Object Recognition is View-Independent in Early Blind but not Sighted People.
Identifieur interne : 003D57 ( Ncbi/Checkpoint ); précédent : 003D56; suivant : 003D58Haptic Object Recognition is View-Independent in Early Blind but not Sighted People.
Auteurs : Valeria Occelli [États-Unis] ; Simon Lacey [États-Unis] ; Careese Stephens [États-Unis] ; Thomas John [États-Unis] ; K. Sathian [États-Unis]Source :
- Perception [ 0301-0066 ] ; 2016.
Abstract
Object recognition, whether visual or haptic, is impaired in sighted people when objects are rotated between learning and test, relative to an unrotated condition, that is, recognition is view-dependent. Loss of vision early in life results in greater reliance on haptic perception for object identification compared with the sighted. Therefore, we hypothesized that early blind people may be more adept at recognizing objects despite spatial transformations. To test this hypothesis, we compared early blind and sighted control participants on a haptic object recognition task. Participants studied pairs of unfamiliar three-dimensional objects and performed a two-alternative forced-choice identification task, with the learned objects presented both unrotated and rotated 180° about they-axis. Rotation impaired the recognition accuracy of sighted, but not blind, participants. We propose that, consistent with our hypothesis, haptic view-independence in the early blind reflects their greater experience with haptic object perception.
DOI: 10.1177/0301006615614489
PubMed: 26562881
Affiliations:
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Sathian</name><affiliation wicri:level="2"><nlm:affiliation>Department of Neurology, Emory University, Atlanta, GA, USADepartment of Rehabilitation Medicine, Emory University, Atlanta, GA, USA; Department of Psychology, Emory University, Atlanta, GA, USARehabilitation R&D Center of Excellence, Atlanta VAMC, Decatur, GA, USA krish.sathian@emory.edu.</nlm:affiliation><country wicri:rule="url">États-Unis</country><wicri:regionArea>Department of Neurology, Emory University, Atlanta, GA, USADepartment of Rehabilitation Medicine, Emory University, Atlanta, GA, USA; Department of Psychology, Emory University, Atlanta, GA, USARehabilitation R&D Center of Excellence, Atlanta VAMC, Decatur, GA</wicri:regionArea><placeName><region type="state">Géorgie (États-Unis)</region></placeName></affiliation></author></analytic><series><title level="j">Perception</title><idno type="ISSN">0301-0066</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Object recognition, whether visual or haptic, is impaired in sighted people when objects are rotated between learning and test, relative to an unrotated condition, that is, recognition is view-dependent. Loss of vision early in life results in greater reliance on haptic perception for object identification compared with the sighted. Therefore, we hypothesized that early blind people may be more adept at recognizing objects despite spatial transformations. To test this hypothesis, we compared early blind and sighted control participants on a haptic object recognition task. Participants studied pairs of unfamiliar three-dimensional objects and performed a two-alternative forced-choice identification task, with the learned objects presented both unrotated and rotated 180° about they-axis. Rotation impaired the recognition accuracy of sighted, but not blind, participants. We propose that, consistent with our hypothesis, haptic view-independence in the early blind reflects their greater experience with haptic object perception.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Géorgie (États-Unis)</li></region></list><tree><country name="États-Unis"><region name="Géorgie (États-Unis)"><name sortKey="Occelli, Valeria" sort="Occelli, Valeria" uniqKey="Occelli V" first="Valeria" last="Occelli">Valeria Occelli</name></region><name sortKey="John, Thomas" sort="John, Thomas" uniqKey="John T" first="Thomas" last="John">Thomas John</name><name sortKey="Lacey, Simon" sort="Lacey, Simon" uniqKey="Lacey S" first="Simon" last="Lacey">Simon Lacey</name><name sortKey="Sathian, K" sort="Sathian, K" uniqKey="Sathian K" first="K" last="Sathian">K. Sathian</name><name sortKey="Stephens, Careese" sort="Stephens, Careese" uniqKey="Stephens C" first="Careese" last="Stephens">Careese Stephens</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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