Characterizing cortical dynamics using a large-scale model of turtle visual cortex

Visual stimuli evoke waves of electrical activity that propagate across the visual cortex of freshwater turtles. The experimental methods used to demonstrate these waves measure the activity of populations of pyramidal cells. However, turtle visual cortex contains pyramidal cells and at least three populations of inhibitory interneurons. This study uses a large-scale model to characterize the time course of activity of each of the major populations of neurons in turtle visual cortex.