title: Affective discrimination of stimuli that cannot be recognized.
abstract: Animal and human subjects readily develop strong preferences for objects that have become familiar through repeated exposures. Experimental evidence is presented that these preferences can develop even when the exposures are so degraded that recognition is precluded.
mesh_terms: D000339:Affect / Q000502:physiology; D003071:Cognition / Q000502:physiology*; D004192:Discrimination, Psychological / Q000502:physiology*; D005556:Form Perception / Q000502:physiology; D006801:Humans; D008568:Memory / Q000502:physiology*