retina

Neurophilosophy

Tag archives for retina

DEPRESSION has long been associated with vision – and to colour perception in particular – and the link between them is evident in everyday language. Depression is, of course, often referred to as “feeling blue”, and those who suffer from it are sometimes told to “lighten up”. The link can be found in art, too…

Nature’s fibre optics

THE retina has an inverted structure which seems ill-suited to its function: the rod and cone cells, which are sensitive to light, and which convert light energy into electrical impulses, point backwards and are located at the back of the retina, so that light entering the eye has to pass through several layers of irregularly…