“Consciousness itself takes many forms, fromthe gauzy half-dream state between the alarm clock’s bleating and sitting up; andlost stretches of waking life, as when a driver pulls into the driveway with no recollection of the half-hour commute home.  The deeper that investigators dig, the more hidden chambers they find… ”  People formerly thought to be in a “vegetative” state have shown brain activity that indicates the potential to “think” or “answer” yes or no even though they are not able to communicate verbally, upending our ideas about who or what is “there.”  (read this article)