Sekusimbisa kwe "innateness" yekukwezva ngochani, LGBT vatsigiri vanowanzo reva kudzidza Neuroscientist Simon LeVay kubva 1991, umo anonzi akawana kuti hypothalamus ye "ngochani" yevarume yakakura saizi yevakadzi, iyo inofungidzirwa kuvaita ngochani. Chii chaizvo chakawanikwa naLeVay? Chaasina kuwana chaiko kwaive kubatana pakati pechimiro chehuropi uye hunhu hwepabonde.