The effects of the motion path and the length of the variable segment in the Poggendorff illusion without parallels

Ian Curthoys*, Peter Wenderoth, Judith Harris

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    9 Citations (Scopus)

    Abstract

    Previous studies have shown that small, but consistent, errors in an alignment task occur for oblique lines when the variable stimulus is a line segment but not when it is a dot. This discrepancy could have been due to the structure of the variable stimulus or its path of motion. These alternative hypotheses were tested in two experiments. The results indicated that motion path is irrelevant but that errors generally occur when extended line segments are adjusted and do not occur in the adjustment of very short line segments ("dots").

    Original languageEnglish
    Pages (from-to)358-362
    Number of pages5
    JournalPerception and Psychophysics
    Volume17
    Issue number4
    DOIs
    Publication statusPublished - Jul 1975

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