The Poggendorff illusion: an explanation based on neurophysiological mechanisms

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dc.contributor.advisorWieland, Betty A.
dc.contributor.advisorMefferd, Roy B., Jr.
dc.contributor.committeeMemberSheer, Daniel E.
dc.contributor.committeeMemberSiegfried, John B.
dc.contributor.committeeMemberMcCorquodale, Marjorie K.
dc.creatorHouck, Robert Lee
dc.date.accessioned2022-06-21T17:09:24Z
dc.date.available2022-06-21T17:09:24Z
dc.date.issued1970
dc.description.abstractA review of the literature concerning the Poggendorff illusion implicated four basic components effecting its magnitude: (1) the size of the angle formed by the intersection of the interrupted oblique line segments with the parallel distractor lines, (2) the orientation (vertical, horizontal, or oblique) of the interrupted illusory segment in space, (3) the amount of experienced £ has had with the illusion, and (4) the nature of 0's eye movements as he views the illusion. Earlier investigations from our own laboratory suggested a fifth factor, this being the possibility of alternate perceptual organizations of the component parts of the illusory figure. Possible explanatory mechanisms to account for these various components are suggested. These suggestions are based on recent neurophysiological findings concerning the functional nature of the visual system. Hypotheses derived from these suggestions are tested by the psychophysical method of adjustment using 15 Os practiced in reporting their perceptual experiences. The conclusion reached was that the illusion involves the interaction of multiple factors. These factors, for the most part, can be accounted for on the basis of the known neurophysiological structure and its function in the visual-perceptual system. Modifications of the illusion based on hypotheses regarding these neurophysiological mechanisms resulted in predictable phenomenal alterations with respect to the magnitude of the illusion.
dc.description.departmentPsychology, Department of
dc.format.digitalOriginreformatted digital
dc.format.mimetypeapplication/pdf
dc.identifier.other12045723
dc.identifier.urihttps://hdl.handle.net/10657/9582
dc.language.isoen
dc.rightsThis item is protected by copyright but is made available here under a claim of fair use (17 U.S.C. Section 107) for non-profit research and educational purposes. Users of this work assume the responsibility for determining copyright status prior to reusing, publishing, or reproducing this item for purposes other than what is allowed by fair use or other copyright exemptions. Any reuse of this item in excess of fair use or other copyright exemptions requires express permission of the copyright holder.
dc.subjectSchizophrenia
dc.titleThe Poggendorff illusion: an explanation based on neurophysiological mechanisms
dc.type.dcmiText
dc.type.genreThesis
thesis.degree.collegeCollege of Arts and Sciences
thesis.degree.departmentPsychology, Department of
thesis.degree.disciplinePsychology
thesis.degree.grantorUniversity of Houston
thesis.degree.levelMaster
thesis.degree.nameMaster of Arts

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