Do perceptual asymmetries differ in peripersonal and extrapersonal space?

Nicole Thomas, Lorin Elias

    Research output: Contribution to journalArticlepeer-review

    15 Citations (Scopus)

    Abstract

    A space-based dissociation has been observed in clinical hemineglect, wherein neglect can be specific to either peripersonal or extrapersonal space. This same dissociation might occur in pseudoneglect, where both space-based and visual field differences have been observed. Upper and bottom visual field differences were examined within-subjects (N = 39), by presenting the greyscales task in both peripersonal and extrapersonal space. The leftward bias was strongest in the bottom visual field; however, no space-based differences were observed. It appears that perceptual biases differ between the upper and bottom visual fields, but this is not related to space-based perceptual biases. (JINS, 2010, 16, 210214.)

    Original languageEnglish
    Pages (from-to)210-214
    Number of pages5
    JournalJournal of the International Neuropsychological Society
    Volume16
    Issue number1
    DOIs
    Publication statusPublished - Jan 2010

    Keywords

    • Far space
    • Lateral biases
    • Laterality
    • Near space
    • Pseudoneglect
    • Spatial attention
    • Visual field differences

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