FIGURE 3.
Basic pyramidal cell (principal cell) forms the cortical circuit module of three-layer cortex in the turtle dorsal cortex. Red indicates excitatory, blue indicates inhibitory cell. ffexc, feedforward excitatory; fbexc, feedback excitatory; lexc, lateral excitatory; ffinh, feedforward inhibition; fbinh, feedback inhibition [Adapted from Shepherd and Rowe (2017)].