Oculomotor Behaviour and Perceptual Localisation in Retinal Prostheses

Abstract

Prosthetic vision is an emerging technology aiming to provide artificial vision to the profoundly blind. Present-day visual prostheses provide useful assistance in everyday life but the quality of vision is poor, with only fractional visual field coverage and limited resolution of detail. The retina, optic nerve, or primary visual cortex are electrically stimulated using implanted electrodes to elicit artificial visual percepts. Eye movements cause movement of the percept within the visual field, however, in many devices, electrode activity is modulated by images captured by a head-mounted camera that does not move in conjugate with eye movement. Percept locations are therefore dissociated f..