«Even before 1960,» Borden wrote, «both painters were moving toward paintings which would demand a higher degree of consciousness as the response of the viewer to almost invisible events.» (brooklynrail.org)
The first inclusion indicates that there are degrees of consciousness shading off into unconsciousness. (religion-online.org)
If we turn back to the Whiteheadian explanation proposed above, we can account for both sets of data as long as we remember that degrees of alertness do not measure degrees of consciousness (witness the absent minded professor, «lost in thought»). (religion-online.org)