New Pathway Between Eye and Brain Discovered

New Nerve Pathways

New Nerve Pathways

Researchers from the Save Sight Institute in Sydney have identified a new pathway from the eye to the brain.

According to Professor of Experimental Ophthalmology Paul Martin "The discovery of this pathway is significant because it may contribute to the residual visual functions called 'blind sight' that are sometimes retained after brain damage due to stroke or other cause".

The discovery came from an international collaboration between Save Sight Researchers Kumiko Percival, Rania Masri, Paul Martin and Ulrike Grünert, with Japanese researcher Amane Koizumi and Peter Buzás from Hungary. Together they combined methods to trace a pathway from receptor cells in the eye to motion-processing regions in visual brain centres.

Professor Martin adds "By knowing what kinds of cells feed these functions we can tailor the treatment and rehabilitation to make best use of their properties."

The paper "Identification of a pathway from the retina to koniocellular layer k1 in the lateral geniculate nucleus of marmoset" was published in the Journal of Neuroscience this week and one of the nerve cells with its retina connections was chosen for the journal cover illustration.