E like me ka hōʻoia ʻana o ka "innateness" o ka homosexual attraction, ʻōlelo pinepine nā mea hana LGBT aʻo neuroscientist ʻo Simon LeVay mai 1991, kahi āna i ʻike ai he like ka nui o ka hypothalamus o nā kāne "homosexual" me nā wahine, ka mea i manaʻo ʻia he kāne kāne. He aha ka mea i ʻike maoli ai ʻo LeVay? ʻO ka mea āna i ʻike ʻole ai, ʻo ia ka pilina ma waena o ke ʻano o ka lolo a me ka makemake o ka moekolohe.