Vertical representational biases in healthy university students

Aaron Drummond, Michael Tlauka

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    In line bisection tasks neurologically intact individuals tend to bisect lines slightly left of their midpoint for horizontal lines, and above centre for vertical lines, a phenomenon known as perceptual pseudoneglect (Bowers & Heilman, 1980; Van Vugt, Fransen, Creten, & Paquiner, 2000). Recent investigations have demonstrated the leftward bias to extend to mental imagery, a finding known as representational pseudoneglect (McGeorge, Beschin, Colnaghi, Rusconi, & Della Sala, 2007). This paper examined whether the upward bias found in perceptual tasks extended to mental imagery in healthy individuals. University students studied a diagram depicting a central character and target objects that were located in six positions relative to the person in the diagram (left/right, up/down, and front/back). Following learning, participants recalled the locations of the objects from several imagined orientations. Performance on the recall task revealed faster response latencies for upward targets, providing evidence for vertical representational biases in healthy individuals.

    Original languageEnglish
    Pages (from-to)210-216
    Number of pages7
    JournalMemory
    Volume20
    Issue number3
    DOIs
    Publication statusPublished - Apr 2012

    Keywords

    • Asymmetires
    • Pseudoneglect
    • Representational pseudoneglect
    • Spatial bias

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