naftersensationan image (usually a negative image) that persists after stimulation has ceased
Webster's Revised Unabridged Dictionary
nAftersensation(Psychol) A sensation or sense impression following the removal of a stimulus producing a primary sensation, and reproducing the primary sensation in positive, negative, or complementary form. The aftersensation may be continuous with the primary sensation or follow it after an interval.
Century Dictionary and Cyclopedia
naftersensationIn psychology: An after-image.
naftersensationA secondary or consequent sensation: as, the after-sensation of pain which follows the sensation of pressure when the skin is lightly tapped with a needle.
Was he professing to her in any degree the possession of an aftersense that wasn't real?