when hrp was injected into the parabrachial nucleus , retrogradely labeled neuronal cell bodies were seen , bilaterally with an ipsilateral predominance , mainly in the orbital gyrus , the lateral bank of the presylvian sulcus , and a restricted region in the infralimbic cortex on the medial surface of the frontal lobe ( stereotaxic coordinates ;
C0228187
lateral
C0007776
cortex