Evolutionary theories allowed materialist theories of consciousness to come in two flavors: emergentism and panpsychism. The former proposes that con… - Michael S. Gazzaniga

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Evolutionary theories allowed materialist theories of consciousness to come in two flavors: emergentism and panpsychism. The former proposes that consciousness emerges from unconscious matter once that matter achieves a certain level of complexity or organization. Sperry was leaning heavily in this direction. The latter, panpsychism, tosses the whole problem out by suggesting that all matter has subjective consciousness, albeit in a wide range of types. The idea here is that there is no need for the idea of emergence and complexity to explain consciousness. Consciousness is a primordial feature of all things, from rocks to ants to us.