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What determines the nature of residual visual function in hemianopia and can it be boosted with training and electrical stimulation?

Following damage to the visual pathway, patients can be left unable to see in the visual field contralateral to the damage. In spite of being unable to see, some patients have residual vision that provides some information about visual stimuli in this blind field (often called blindsight). We have a number of current research projects investigating the nature of processing in patients with visual cortex damage.

Understanding the nature of neural processing in hemianopia

Dr Sara Ajina, a Wellcome Trust Clinical Research Fellow, is using functional magnetic resonance imaging (fMRI) to investigate how this type of blindsight or residual vision is represented in the brain. Find out more information from her webpage

Using visual perceptual learning to improve visual performance

Stephanie Larcombe is investigating whether visual motion perception can be improved with a 5-day training programme and whether any improvement can be boosted by the addition of trans-cranial direct current stimulation (tDCS)