The cognitive capacities and behavioural repertoire of octopuses have led to speculation that these animals may possess consciousness. However, the nervous system of octopuses is radically different from those typically associated with conscious experience: rather than being centralised and profoundly integrated, the octopus nervous system is distributed into components with considerable...
ObjectiveTo review the way consciousness is operationalised in contemporary research, discuss strengths and weaknesses of current approaches and propose new measures.MethodWe first reviewed the literature pertaining to the phenomenal character of visual and self‐consciousness as well as awareness of visual stimuli. We also reviewed more problematic cases of dreams and animal consciousness,...