Ubuchopho yinxenye yomzimba evumela ukuba izilwane zenze umqondo ngezinto. Ithola i-input kuma sense organs, bese ishintsha ukuziphatha ngenxa yalolulwazi. Kubantu, ubuchopho, buphinde bulawule ukusetshenziswa kwezilimi, futhi buyakwazi ukwakha umcabango ongakhonakali. Le-athikhili iyisigcino (isiNgisi: "a stub"). Ungakwazi ukusiza uWikipedia: ngokuyikhulisa. Calvin, William H. [1996] 1998. How brains think: evolving intelligence, then & now. Phoenix, London. Template:ISBN