What’s ‘consciousness’?

The two major conceptual handicaps scientists confronted when facing this question.

Erald Mecani, CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0>, via Wikimedia Commons

Quote from Markham Heid article “What Near-Death Experiences Teach Us about the Brain”:

(Pim van Lommel) compares the brain to a television set; just as a TV can convert electromagnetic waves of information into sights and sounds, perhaps the brain and body are mere conduits for consciousness.