Две новаторские работы на эту тему — Jennifer Mather, «Cephalopod Consciousness: Behavioural Evidence», Consciousness and Cognition, 17, no. 1 (2008): 37–48; Edelman, Baars, and Seth, «Identifying Hallmarks of Consciousness in Non-Mammalian Species», Consciousness and Cognition, 14 (2005): 169–187.