Size matters: Perceived depth magnitude varies with stimulus height.
Identifieur interne : 000021 ( PubMed/Corpus ); précédent : 000020; suivant : 000022Size matters: Perceived depth magnitude varies with stimulus height.
Auteurs : Inna Tsirlin ; Laurie M. Wilcox ; Robert S. AllisonSource :
- Vision research [ 1878-5646 ] ; 2016.
Abstract
Both the upper and lower disparity limits for stereopsis vary with the size of the targets. Recently, Tsirlin, Wilcox, and Allison (2012) suggested that perceived depth magnitude from stereopsis might also depend on the vertical extent of a stimulus. To test this hypothesis we compared apparent depth in small discs to depth in long bars with equivalent width and disparity. We used three estimation techniques: a virtual ruler, a touch-sensor (for haptic estimates) and a disparity probe. We found that depth estimates were significantly larger for the bar stimuli than for the disc stimuli for all methods of estimation and different configurations. In a second experiment, we measured perceived depth as a function of the height of the bar and the radius of the disc. Perceived depth increased with increasing bar height and disc radius suggesting that disparity is integrated along the vertical edges. We discuss size-disparity correlation and inter-neural excitatory connections as potential mechanisms that could account for these results.
DOI: 10.1016/j.visres.2016.04.006
PubMed: 27180656
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Wilcox</name><affiliation><nlm:affiliation>Centre for Vision Research, Department of Psychology, York University, 4700 Keele St., Toronto, Ontario, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Allison, Robert S" sort="Allison, Robert S" uniqKey="Allison R" first="Robert S" last="Allison">Robert S. Allison</name><affiliation><nlm:affiliation>Centre for Vision Research, Department of Electrical Engineering and Computer Science, York University, 4700 Keele St., Toronto, Ontario, Canada.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2016">2016</date><idno type="RBID">pubmed:27180656</idno><idno type="pmid">27180656</idno><idno type="doi">10.1016/j.visres.2016.04.006</idno><idno type="wicri:Area/PubMed/Corpus">000021</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Size matters: Perceived depth magnitude varies with stimulus height.</title><author><name sortKey="Tsirlin, Inna" sort="Tsirlin, Inna" uniqKey="Tsirlin I" first="Inna" last="Tsirlin">Inna Tsirlin</name><affiliation><nlm:affiliation>Centre for Vision Research, Department of Psychology, York University, 4700 Keele St., Toronto, Ontario, Canada; Eye Movement and Neuroscience Laboratory, The Hospital for Sick Children, 555 University Avenue, Toronto, Ontario, Canada. Electronic address: inna.tsirlin@sickkids.ca.</nlm:affiliation></affiliation></author><author><name sortKey="Wilcox, Laurie M" sort="Wilcox, Laurie M" uniqKey="Wilcox L" first="Laurie M" last="Wilcox">Laurie M. Wilcox</name><affiliation><nlm:affiliation>Centre for Vision Research, Department of Psychology, York University, 4700 Keele St., Toronto, Ontario, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Allison, Robert S" sort="Allison, Robert S" uniqKey="Allison R" first="Robert S" last="Allison">Robert S. Allison</name><affiliation><nlm:affiliation>Centre for Vision Research, Department of Electrical Engineering and Computer Science, York University, 4700 Keele St., Toronto, Ontario, Canada.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Vision research</title><idno type="eISSN">1878-5646</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">Both the upper and lower disparity limits for stereopsis vary with the size of the targets. Recently, Tsirlin, Wilcox, and Allison (2012) suggested that perceived depth magnitude from stereopsis might also depend on the vertical extent of a stimulus. To test this hypothesis we compared apparent depth in small discs to depth in long bars with equivalent width and disparity. We used three estimation techniques: a virtual ruler, a touch-sensor (for haptic estimates) and a disparity probe. We found that depth estimates were significantly larger for the bar stimuli than for the disc stimuli for all methods of estimation and different configurations. In a second experiment, we measured perceived depth as a function of the height of the bar and the radius of the disc. Perceived depth increased with increasing bar height and disc radius suggesting that disparity is integrated along the vertical edges. We discuss size-disparity correlation and inter-neural excitatory connections as potential mechanisms that could account for these results.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="In-Data-Review"><PMID Version="1">27180656</PMID><DateCreated><Year>2016</Year><Month>05</Month><Day>29</Day></DateCreated><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1878-5646</ISSN><JournalIssue CitedMedium="Internet"><Volume>123</Volume><PubDate><Year>2016</Year><Month>Jun</Month></PubDate></JournalIssue><Title>Vision research</Title><ISOAbbreviation>Vision Res.</ISOAbbreviation></Journal><ArticleTitle>Size matters: Perceived depth magnitude varies with stimulus height.</ArticleTitle><Pagination><MedlinePgn>41-5</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.visres.2016.04.006</ELocationID><ELocationID EIdType="pii" ValidYN="Y">S0042-6989(16)30024-4</ELocationID><Abstract><AbstractText>Both the upper and lower disparity limits for stereopsis vary with the size of the targets. Recently, Tsirlin, Wilcox, and Allison (2012) suggested that perceived depth magnitude from stereopsis might also depend on the vertical extent of a stimulus. To test this hypothesis we compared apparent depth in small discs to depth in long bars with equivalent width and disparity. We used three estimation techniques: a virtual ruler, a touch-sensor (for haptic estimates) and a disparity probe. We found that depth estimates were significantly larger for the bar stimuli than for the disc stimuli for all methods of estimation and different configurations. In a second experiment, we measured perceived depth as a function of the height of the bar and the radius of the disc. Perceived depth increased with increasing bar height and disc radius suggesting that disparity is integrated along the vertical edges. We discuss size-disparity correlation and inter-neural excitatory connections as potential mechanisms that could account for these results.</AbstractText><CopyrightInformation>Copyright © 2016 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Tsirlin</LastName><ForeName>Inna</ForeName><Initials>I</Initials><AffiliationInfo><Affiliation>Centre for Vision Research, Department of Psychology, York University, 4700 Keele St., Toronto, Ontario, Canada; Eye Movement and Neuroscience Laboratory, The Hospital for Sick Children, 555 University Avenue, Toronto, Ontario, Canada. Electronic address: inna.tsirlin@sickkids.ca.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wilcox</LastName><ForeName>Laurie M</ForeName><Initials>LM</Initials><AffiliationInfo><Affiliation>Centre for Vision Research, Department of Psychology, York University, 4700 Keele St., Toronto, Ontario, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Allison</LastName><ForeName>Robert S</ForeName><Initials>RS</Initials><AffiliationInfo><Affiliation>Centre for Vision Research, Department of Electrical Engineering and Computer Science, York University, 4700 Keele St., Toronto, Ontario, Canada.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>05</Month><Day>19</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Vision Res</MedlineTA><NlmUniqueID>0417402</NlmUniqueID><ISSNLinking>0042-6989</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Depth perception</Keyword><Keyword MajorTopicYN="N">Disparity</Keyword><Keyword MajorTopicYN="N">Energy model</Keyword><Keyword MajorTopicYN="N">Size–disparity correlation</Keyword><Keyword MajorTopicYN="N">Stereopsis</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2015</Year><Month>6</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2016</Year><Month>4</Month><Day>9</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>4</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="aheadofprint"><Year>2016</Year><Month>5</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>5</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>5</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>5</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27180656</ArticleId><ArticleId IdType="pii">S0042-6989(16)30024-4</ArticleId><ArticleId IdType="doi">10.1016/j.visres.2016.04.006</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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