Preserved retinotopic brain connectivity in macular degeneration

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Does having an eye disease affect the organization of one’s visual brain? In this paper in Ophthalmic & Physiological Optics, Haak et al. used functional magnetic resonance imaging (fMRI) to measure activity in the visual brains of patients with the eye disease macular degeneration to find that the spatial organization of the visual cortex does not change. This is good to know, as new therapies to restore retinal function – such as retinal implants – will rely on an intact visual brain to reestablish visual function.


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