“…These techniques help the child to anticipate, recognize, and more effectively manage distressing physiological, behavioral, emotional, and cognitive responses to stressful circumstances. Numerous studies document increased efficacy when preprocedure preparation includes training in cognitive-behavioral interventions, 7,49,72 particularly for children and adolescents with previous medical experience. 45,73,74 The therapeutic effects achieved by use of cognitive behavioral interventions have been attributed to a variety of cognitive and physiological responses, including decreased pain secondary to muscle relaxation, habituation of body sensations, distraction, altered perception of the event, increased positive reinforcement from self and others, and enhanced sense of mastery or internal locus of control.…”