: seeing in the absence of a visual stimulus: mental imagery also occurs in senses other than vision. : ability to recreate the sensory world in the absence of physical stimuli, Imagery in the history of psychology: early ideas about imagery , wundt proposed that because images accompany thought, studying images was a way for studying thinking imageless thought debate. Imagery and the cognitive revolution : method paired-associate learning . Imagery and perception: do they share the same mechanism: kosslyn"s mental scanning experiments , mental scanning. : debate about whether imagery is based on spatial mechanisms: the imagery debate: is imagery spatial or propositional, spatial representation described as corresponding to specific locations in space. : something that accompanies the real mechanism but is: propositional representation abstract symbols or a statement. : one in which relationships can be represented by depictive representations.