Answer: deconditioning

AnswerCrossword Clue
deconditioningReform or reverse (previously conditioned behavior), esp. in the treatment of phobia and other anxiety disorders in which the fear response to certain stimuli is brought under control
deconditioningDECONDITION, to cause extinction of (a conditioned response)
deconditioningCause to lose fitness or muscle tone, esp. through lack of exercise
deconditioningPersuade (someone) to abandon a habitual mode of thinking