Haptic object perception: spatial dimensionality and relation to vision
Identifieur interne : 002B57 ( Main/Exploration ); précédent : 002B56; suivant : 002B58Haptic object perception: spatial dimensionality and relation to vision
Auteurs : Roberta L. Klatzky [États-Unis] ; Susan J. LedermanSource :
- Philosophical Transactions of the Royal Society B: Biological Sciences [ 0962-8436 ] ; 2011.
English descriptors
- KwdEn :
- MESH :
- physiology : Face, Form Perception, Hand, Touch, Visual Perception.
- Humans.
Abstract
Enabled by the remarkable dexterity of the human hand, specialized haptic exploration is a hallmark of object perception by touch. Haptic exploration normally takes place in a spatial world that is three-dimensional; nevertheless, stimuli of reduced spatial dimensionality are also used to display spatial information. This paper examines the consequences of full (three-dimensional) versus reduced (two-dimensional) spatial dimensionality for object processing by touch, particularly in comparison with vision. We begin with perceptual recognition of common human-made artefacts, then extend our discussion of spatial dimensionality in touch and vision to include faces, drawing from research on haptic recognition of facial identity and emotional expressions. Faces have often been characterized as constituting a specialized input for human perception. We find that contrary to vision, haptic processing of common objects is impaired by reduced spatial dimensionality, whereas haptic face processing is not. We interpret these results in terms of fundamental differences in object perception across the modalities, particularly the special role of manual exploration in extracting a three-dimensional structure.
Url:
DOI: 10.1098/rstb.2011.0153
PubMed: 21969691
PubMed Central: 3172596
Affiliations:
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Le document en format XML
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Klatzky</name><affiliation wicri:level="1"><nlm:aff id="af1"><addr-line>Department of Psychology</addr-line>,<institution>Carnegie Mellon University</institution>,<addr-line>Pittsburgh, PA 15213</addr-line>,<country>USA</country></nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Lederman, Susan J" sort="Lederman, Susan J" uniqKey="Lederman S" first="Susan J." last="Lederman">Susan J. Lederman</name><affiliation><nlm:aff id="af2"><addr-line>Department of Psychology</addr-line>,<institution>Queen's University</institution>,<addr-line>Kingston, Ontario</addr-line>,<country>Canada K7L 3N6</country></nlm:aff><wicri:noCountry code="nlm country">Canada K7L 3N6</wicri:noCountry></affiliation></author></analytic><series><title level="j">Philosophical Transactions of the Royal Society B: Biological Sciences</title><idno type="ISSN">0962-8436</idno><idno type="eISSN">1471-2970</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Face (physiology)</term><term>Form Perception (physiology)</term><term>Hand (physiology)</term><term>Humans</term><term>Touch (physiology)</term><term>Visual Perception (physiology)</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Face</term><term>Form Perception</term><term>Hand</term><term>Touch</term><term>Visual Perception</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Humans</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Enabled by the remarkable dexterity of the human hand, specialized haptic exploration is a hallmark of object perception by touch. 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