Quick answer: Consciousness commonly refers to subjective awareness: having experiences such as seeing color, feeling pain, or noticing your own thoughts.
What to know
Neuroscientists study brain activity associated with wakefulness, attention, and experience, but debates remain about exactly how subjective experience arises.
Practical context
Being awake, paying attention, and being self-aware overlap but are not identical concepts.
Frequently asked question
Can consciousness be measured directly?
Researchers measure behavior and brain signals associated with it, but no instrument reads subjective experience in a complete, direct way.
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