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The Papez Circuit. The thalamocingulate tract connects the anterior thalamic nuclei through the cingulate cortex in the cingulum, then travels in a circuit through the parahippocampal gyrus and hippocampus, fornix, mammillary bodies, and mammillothalamic tract back to the anterior cingulate gyrus. Brodmann areas (BA) 32, 33, and 24 correspond to the anterior cingulate cortex. BA 23 and 31 correspond to the posterior cingulate cortex. BA 29 corresponds to the restrosplenial cortex.
