Residual neurovascular function and retinotopy in a case of hemianopia

Yi-Ching Ho, Amandine Cheze, Yih-Yian Sitoh, Esben Thade Petersen, Kong-Yong Goh, Albert Gjedde, Xavier Golay

Research output: Contribution to journalJournal articleResearchpeer-review

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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.
Original languageEnglish
JournalAnnals of the Academy of Medicine - Singapore
Volume38
Issue number9
Pages (from-to)827-31
Number of pages4
ISSN0304-4602
Publication statusPublished - 2009

Bibliographical note

Keywords: Hemianopsia; Humans; Image Processing, Computer-Assisted; Magnetic Resonance Imaging; Male; Middle Aged; Neural Conduction; Stroke; Visual Cortex

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