Consciousness - 2

From Stanford University https://plato.stanford.edu/entries/consciousness/

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Wikipedia - 3 types of consciousness

Minimal' consciousness is the occurrence of any mental activity, whether or not the subject is aware of this activity. 'Perceptual' consciousness is perceptual activity. Introspective consciousness is perception-like awareness of the subject's own current mental states and activities. 

Minimal and perceptual consciousness may be present, yet 'introspective' consciousness be lacking.

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