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Localisation of the lesion

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Visual agnosias are usually caused by lesions in the parietal lobes in the visual association cortex.

There is some evidence for lateralization of visual processing:

  • lesions in the dominant parietal lobe are more likely to interfere with the understanding of:
    • objects
    • colour
    • letters

  • lesions in the non-dominant parietal lobe are more likely to interfere with the understanding of:
    • unusual views of objects
    • place
    • face recognition

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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