Memory-guided saccade processing in visual form agnosia (patient DF)

Stephanie Rossit, Larissa Szymanek, Stephen H. Butler, Monika Harvey

    Research output: Contribution to journalArticle

    Abstract

    According to Milner and Goodale’s model (The visual brain in action, Oxford University Press, Oxford, 2006) areas in the ventral visual stream mediate visual perception and off-line actions, whilst regions in the dorsal visual stream mediate the on-line visual control of action. Strong evidence for this model comes from a patient (DF), who suffers from visual form agnosia after bilateral damage to the ventro-lateral occipital region, sparing V1. It has been reported that she is normal in immediate reaching and grasping, yet severely impaired when asked to perform delayed actions. Here we investigated whether this dissociation would extend to saccade execution.
    Original languageEnglish
    Pages (from-to)109-116
    Number of pages8
    JournalExperimental Brain Research
    Volume200
    Issue number1
    Early online date11 Nov 2009
    DOIs
    Publication statusPublished - 2010

    Keywords

    • visual perception
    • visual form agnosia
    • bilateral damage

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