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  • Title: Residual neurovascular function and retinotopy in a case of hemianopia.
    Author: Ho YC, Cheze A, Sitoh YY, Petersen ET, Goh KY, Gjedde A, Golay X.
    Journal: Ann Acad Med Singap; 2009 Sep; 38(9):827-31. PubMed ID: 19816644.
    Abstract:
    INTRODUCTION: For occipital cortex strokes resulting in vision disorders, questions about the viability of residual visual cortex remain. CLINICAL PICTURE: In a patient with a one-year-old, left, complete, homonymous hemianopia due to a right, posterior cerebral artery, ischaemic infarct, we assessed the visual cortex with fMRI retinotopic mapping prior to starting vision restoration therapy. OUTCOME: The patient was found to have residual neurovascular function and retinotopic representation in the surviving visual cortex around the infarcted area. CONCLUSION: The ability to respond to stimuli in part of the blind field, though not consciously perceived, suggests the potential for recovery.
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