IRCT2015101724561N1 IRCT 2015-10-30 University of medical sience jondishapur The effect of music therapy to increase speech intelligibility The effect of traditional therapy accompanied with music therapy on speech intelligibility of children with cochlear implant. 2015-11-06 anticipated 30 Complete https://irct.ir/trial/20689 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A Hearing Loss. Intervention 1: Intervention group : 4 weeks music therapy ( 2 session of 30 minutes in every week ) and at the same time,4 weeks of traditional treatment about speech intelligibility increasing ( 2 session of 30 minutes in every week) .( Music therapy trainings include of simple musical lyrics which is applied and traditional treatment trainings include of modifying the placement and expression of letters.). Intervention 2: Control group : 4 weeks of traditional treatment about speech intelligibility increasing ( 2 session of 30 minutes in every week ).( traditional treatment trainings include of modifying the placement and expression of letters.).