Entry Date:
September 24, 2008

The Rewired Cortex

Principal Investigator Mriganka Sur


We use two model systems to study developmental plasticity and its mechanisms. The first, which we pioneered, involves rewiring the brain: we induce projections from the eye to innervate nonvisual centers, such as the auditory thalamus, early in life. Since visually evoked electrical activity has a different spatial and temporal structure than auditory activity, visual inputs cause the auditory pathway to develop with a very different pattern of inputs than normal. We have demonstrated that this profoundly alters neuronal networks and connectivity in the rewired auditory cortex.