Cytoarchitectonic and chemoarchitectonic studies find that it contains at least seven subareas, one of which, "TG", is unique to humans. "The functional significance of this area TG is not known, but it may bind complex, highly processed perceptual inputs to visceral emotional responses."p. 621
^ abcDing, S. L.; Van Hoesen, G. W.; Cassell, M. D.; Poremba, A. (2009). "Parcellation of human temporal polar cortex: A combined analysis of multiple cytoarchitectonic, chemoarchitectonic, and pathological markers". The Journal of Comparative Neurology. 514 (6): 595–623. doi:10.1002/cne.22053. PMID19363802.