Proximal-distal, not medial-lateral, movement across an edge increases discrimination of edge sharpness.
Identifieur interne : 000478 ( PubMed/Corpus ); précédent : 000477; suivant : 000479Proximal-distal, not medial-lateral, movement across an edge increases discrimination of edge sharpness.
Auteurs : Christopher Kent ; Andy L. Skinner ; Carys Weeds ; Christopher P. BentonSource :
- Perception [ 0301-0066 ] ; 2014.
English descriptors
- KwdEn :
- MESH :
- physiology : Discrimination (Psychology), Mechanoreceptors, Movement, Touch Perception.
- psychology : Students.
- Adult, Female, Humans, Male, Young Adult.
Abstract
Edges are fundamental properties of our environment and the objects we interact with. There is a lack of research on the haptic perception of edges, especially the sharpness of an edge. Skinner et al. [2013 PLoS ONE, 8(9): e73283] found that haptic discriminability of sharpness was clearly superior when using a relatively unrestrained, free exploration strategy compared with a static single touch strategy. In the free exploration condition two distinct movement patterns were frequently used by participants: a proximal-distal movement of the fingerpad across the test edge and a medial-lateral movement of the fingerpad along the test edge. Here, using the same stimuli and two-alternative forced-choice method of constant stimuli as Skinner et al. (2013), we demonstrate that a proximal-distal movement results in substantially lower sharpness discrimination thresholds than a medial-lateral movement. The underlying neurophysiology and implications for the design of haptic displays are considered.
PubMed: 25509686
Links to Exploration step
pubmed:25509686Le document en format XML
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Benton</name></author></analytic><series><title level="j">Perception</title><idno type="ISSN">0301-0066</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Discrimination (Psychology) (physiology)</term><term>Female</term><term>Humans</term><term>Male</term><term>Mechanoreceptors (physiology)</term><term>Movement (physiology)</term><term>Students (psychology)</term><term>Touch Perception (physiology)</term><term>Young Adult</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Discrimination (Psychology)</term><term>Mechanoreceptors</term><term>Movement</term><term>Touch Perception</term></keywords><keywords scheme="MESH" qualifier="psychology" xml:lang="en"><term>Students</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Female</term><term>Humans</term><term>Male</term><term>Young Adult</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Edges are fundamental properties of our environment and the objects we interact with. There is a lack of research on the haptic perception of edges, especially the sharpness of an edge. Skinner et al. [2013 PLoS ONE, 8(9): e73283] found that haptic discriminability of sharpness was clearly superior when using a relatively unrestrained, free exploration strategy compared with a static single touch strategy. In the free exploration condition two distinct movement patterns were frequently used by participants: a proximal-distal movement of the fingerpad across the test edge and a medial-lateral movement of the fingerpad along the test edge. Here, using the same stimuli and two-alternative forced-choice method of constant stimuli as Skinner et al. (2013), we demonstrate that a proximal-distal movement results in substantially lower sharpness discrimination thresholds than a medial-lateral movement. The underlying neurophysiology and implications for the design of haptic displays are considered.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">25509686</PMID><DateCreated><Year>2014</Year><Month>12</Month><Day>15</Day></DateCreated><DateCompleted><Year>2015</Year><Month>01</Month><Day>08</Day></DateCompleted><Article PubModel="Print"><Journal><ISSN IssnType="Print">0301-0066</ISSN><JournalIssue CitedMedium="Print"><Volume>43</Volume><Issue>10</Issue><PubDate><Year>2014</Year></PubDate></JournalIssue><Title>Perception</Title><ISOAbbreviation>Perception</ISOAbbreviation></Journal><ArticleTitle>Proximal-distal, not medial-lateral, movement across an edge increases discrimination of edge sharpness.</ArticleTitle><Pagination><MedlinePgn>1097-106</MedlinePgn></Pagination><Abstract><AbstractText>Edges are fundamental properties of our environment and the objects we interact with. There is a lack of research on the haptic perception of edges, especially the sharpness of an edge. Skinner et al. [2013 PLoS ONE, 8(9): e73283] found that haptic discriminability of sharpness was clearly superior when using a relatively unrestrained, free exploration strategy compared with a static single touch strategy. In the free exploration condition two distinct movement patterns were frequently used by participants: a proximal-distal movement of the fingerpad across the test edge and a medial-lateral movement of the fingerpad along the test edge. Here, using the same stimuli and two-alternative forced-choice method of constant stimuli as Skinner et al. (2013), we demonstrate that a proximal-distal movement results in substantially lower sharpness discrimination thresholds than a medial-lateral movement. 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