Illusory line motion in onset and offset bars

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dc.contributor.author Han, S en
dc.contributor.author Zhu, Z en
dc.contributor.author Corballis, Michael en
dc.contributor.author Hamm, Jeffrey en
dc.date.accessioned 2017-02-17T02:38:17Z en
dc.date.issued 2016-11 en
dc.identifier.citation Attention, Perception, and Psychophysics 78(8):2579-2611 Nov 2016 en
dc.identifier.issn 0031-5117 en
dc.identifier.uri http://hdl.handle.net/2292/31874 en
dc.description.abstract Illusory line motion (ILM) refers to the perception of motion in a bar that is presented all at once next to an inducing stimulus. The experimental methods for producing and quantifying ILM are varied, and the resulting explanations are likewise at odds. The current study examined the explanations for ILM away from the inducing stimulus (bright or dark flash) using bars that either suddenly appear (onset bars) or suddenly disappear (offset bars). Real motion is used to cancel ILM, providing three measures to quantify ILM: the consistency of responding to only ILM in the absence of real motion; the distance between the points of subjective equality between ILM and the real motion; and the area between the curves relating perception of motion to the real and illusory conditions. ILM quantities for onset and offset bars are strongly correlated when the bar change occurs after the flash. However, onset bars presented during the flash do not show any evidence of ILM, whereas offset bars removed during the flash result in reverse ILM (rILM). Moreover, rILM and ILM are not correlated, suggesting they reflect two separate illusions. These results are consistent over the various measures of ILM. en
dc.format.medium Print-Electronic en
dc.language eng en
dc.publisher Psychonomic Society Inc. en
dc.relation.ispartofseries Attention, Perception, and Psychophysics en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title Illusory line motion in onset and offset bars en
dc.type Journal Article en
dc.identifier.doi 10.3758/s13414-016-1170-z en
pubs.issue 8 en
pubs.begin-page 2579 en
pubs.volume 78 en
dc.identifier.pmid 27388497 en
pubs.end-page 2611 en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 536075 en
pubs.org-id Science en
pubs.org-id Psychology en
dc.identifier.eissn 1943-393X en
pubs.record-created-at-source-date 2017-02-02 en
pubs.online-publication-date 2016-11-01 en
pubs.dimensions-id 27388497 en


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