Octopuses, like the Dofrain Octopus, may have some degree of consciousness.
Victor1153/Shutterstock
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In recent decades, experiments have begun to catch up with what those who work closely with animals have always known: that animals have inner lives and that consciousness is not unique to humans.
Consciousness is a very difficult concept to define. Many attempts have been made. Is consciousness awareness, awareness of that awareness, or self-awareness? But a useful working definition is…
