A randomised double blind controlled study of the effects of methylphenidate on Central Audition Deficits

INTERVENTION: Retesting the central audition on methylphenidate or placebo CONDITION: Central Audition Deficit (Central Auditory Processing Disorder [CAPD]) ; Nervous System Diseases PRIMARY OUTCOME: Not provided at time of registration. SECONDARY OUTCOME: Not provided at time of registration. INCLUSION CRITERIA: Sixty‐two consecutive attendees at a university clinic for communication disorders referred for evaluation of learning and listening problems at school by parents, teachers or family physicians and shown to have deficits of Central Audition on a Willeford standardised test battery