Haptic distal spatial perception mediated by strings: haptic "looming".
Identifieur interne : 000E44 ( PubMed/Corpus ); précédent : 000E43; suivant : 000E45Haptic distal spatial perception mediated by strings: haptic "looming".
Auteurs : Patrick A. CabeSource :
- Journal of experimental psychology. Human perception and performance [ 1939-1277 ] ; 2011.
English descriptors
- KwdEn :
- MESH :
Abstract
Five experiments tested a haptic analog of optical looming, demonstrating string-mediated haptic distal spatial perception. Horizontally collinear hooks supported a weighted string held taut by a blindfolded participant's finger midway between the hooks. At the finger, the angle between string segments increased as the finger approached collinearity with the hooks, just as the optical angle subtended by an approaching object increases. The vertical force component at the finger is potentially informative for perception, approaching zero at finger-hook collinearity. In Experiment 1, participants judged hook height reasonably accurately. To retain force relationships but eliminate immediate skin contact, Experiment 2 employed a hand-held rod; results replicated those of Experiment 1. Experiment 3 replicated Experiment 2 using a ring instead of a rod. In all three experiments, estimated hook height closely paralleled actual height, r > .9. Experiments 4 and 5 showed that participants could project impending finger-hook collinearity when finger contact with the string was interrupted during its traverse. Perceivers' estimate errors were nearly perfectly predicted by height-force ratio relationships (Rs > .96). Outcomes are related to optical and acoustic looming, dynamic touch, tau theory, and Gibsonian perceptual theory.
DOI: 10.1037/a0024231
PubMed: 21688938
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pubmed:21688938Le document en format XML
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Cabe</name><affiliation><nlm:affiliation>Department of Psychology, University of North Carolina at Pembroke, USA. patrick.cabe@uncp.edu</nlm:affiliation></affiliation></author></analytic><series><title level="j">Journal of experimental psychology. Human perception and performance</title><idno type="eISSN">1939-1277</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Distance Perception</term><term>Humans</term><term>Judgment</term><term>Kinesthesis</term><term>Orientation</term><term>Proprioception</term><term>Psychomotor Performance</term><term>Psychophysics</term><term>Space Perception</term><term>Touch</term><term>Weight Perception</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Distance Perception</term><term>Humans</term><term>Judgment</term><term>Kinesthesis</term><term>Orientation</term><term>Proprioception</term><term>Psychomotor Performance</term><term>Psychophysics</term><term>Space Perception</term><term>Touch</term><term>Weight Perception</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Five experiments tested a haptic analog of optical looming, demonstrating string-mediated haptic distal spatial perception. Horizontally collinear hooks supported a weighted string held taut by a blindfolded participant's finger midway between the hooks. At the finger, the angle between string segments increased as the finger approached collinearity with the hooks, just as the optical angle subtended by an approaching object increases. The vertical force component at the finger is potentially informative for perception, approaching zero at finger-hook collinearity. In Experiment 1, participants judged hook height reasonably accurately. To retain force relationships but eliminate immediate skin contact, Experiment 2 employed a hand-held rod; results replicated those of Experiment 1. Experiment 3 replicated Experiment 2 using a ring instead of a rod. In all three experiments, estimated hook height closely paralleled actual height, r > .9. Experiments 4 and 5 showed that participants could project impending finger-hook collinearity when finger contact with the string was interrupted during its traverse. Perceivers' estimate errors were nearly perfectly predicted by height-force ratio relationships (Rs > .96). Outcomes are related to optical and acoustic looming, dynamic touch, tau theory, and Gibsonian perceptual theory.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">21688938</PMID><DateCreated><Year>2011</Year><Month>09</Month><Day>28</Day></DateCreated><DateCompleted><Year>2012</Year><Month>02</Month><Day>21</Day></DateCompleted><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1939-1277</ISSN><JournalIssue CitedMedium="Internet"><Volume>37</Volume><Issue>5</Issue><PubDate><Year>2011</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Journal of experimental psychology. Human perception and performance</Title><ISOAbbreviation>J Exp Psychol Hum Percept Perform</ISOAbbreviation></Journal><ArticleTitle>Haptic distal spatial perception mediated by strings: haptic "looming".</ArticleTitle><Pagination><MedlinePgn>1492-511</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1037/a0024231</ELocationID><Abstract><AbstractText>Five experiments tested a haptic analog of optical looming, demonstrating string-mediated haptic distal spatial perception. Horizontally collinear hooks supported a weighted string held taut by a blindfolded participant's finger midway between the hooks. At the finger, the angle between string segments increased as the finger approached collinearity with the hooks, just as the optical angle subtended by an approaching object increases. The vertical force component at the finger is potentially informative for perception, approaching zero at finger-hook collinearity. In Experiment 1, participants judged hook height reasonably accurately. To retain force relationships but eliminate immediate skin contact, Experiment 2 employed a hand-held rod; results replicated those of Experiment 1. Experiment 3 replicated Experiment 2 using a ring instead of a rod. In all three experiments, estimated hook height closely paralleled actual height, r > .9. Experiments 4 and 5 showed that participants could project impending finger-hook collinearity when finger contact with the string was interrupted during its traverse. Perceivers' estimate errors were nearly perfectly predicted by height-force ratio relationships (Rs > .96). 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