title: [The development of auditory capability for infants after cochlear implantation].
abstract: OBJECTIVE
  The purpose of this study is to analyze the auditory capability of infants before and after cochlear implantation by using IT-MAIS questionnaire.
  
  
  METHODS
  Eighty-six prelingually deaf patients participated in this study. They received a cochlear implant at the age of 1 to 3 yr. The audiologists who were trained for the research used the IT-MAIS questionnaire. Audiologists asked for the parents' answers face to face and recorded all the information about the patient's spontaneous auditory behavioural responses including vocalization, behaviour, spontaneous alerting to sound and deriving meaning from sound. The evaluation was performed before operation and 1 month, 3 months, 6 months, 1 year after switch-on.
  
  
  RESULTS
  The scores of question 1 were significantly different between pre-operation and 1, 3, 6, 12 months after switch-on (P = 0.000, 0.000, 0.000, 0.000). The scores of question 2 were significantly different between pre-operation and 6, 12 months after switch-on (P = 0.000, 0.000). The scores of question 3 were significantly different between pre-operation and 3, 6, 12 months after switch-on (P = 0.001, 0.000, 0.000). The scores of question 4 were significantly different between pre-operation and 3, 6, 12 months after switch-on (P = 0.002, 0.000, 0.000). The scores of question 5 were significantly different between pre-operation and 1, 3, 6, 12 months after switch-on (P = 0.046, 0.00, 0.000, 0.000, 0.000). The scores of question 6 were significantly different between pre-operation and 3, 6, 12 months after switch-on (P = 0.037, 0.000, 0.000). The scores of question 7 were significantly different between pre-operation and 3, 6, 12 months after switch-on ( P = 0.000, 0.000, 0.000). The scores of question 8 were significantly different between pre-operation and 6, 12 months after switch-on (P = 0.001, 0.001). The scores of question 9 were significantly different between pre-operation and 3, 6, 12 months after switch-on ( P = 0.023, 0.000, 0.000). The scores of question 10 were significantly different between pre-operation and 12 months after switch-on (P = 0.048).
  
  
  CONCLUSIONS
  Most of the patients showed no consistent response to sound in everyday life before implantation. After cochlear implantation, a significant increase in auditory capability occurred. The children demonstrated faster development of vocalization behaviour and spontaneous alerting to sound than deriving meaning from sound.
authors.affiliation: Department of Speech and Hearing Rehabilitation, Beijing Institute of Otolaryngology, Affiliated Beijing Tongren Hospital of Capital University of Medical Sciences, Beijing, 100730, China. xueqingchen@sohu.com
authors.forename: Xueqing
authors.initials: X
authors.lastname: Chen
authors.forename: Liang
authors.initials: L
authors.lastname: Wang
authors.forename: Lihui
authors.initials: L
authors.lastname: Meng
authors.forename: Haizhen
authors.initials: H
authors.lastname: Li
authors.forename: Ying
authors.initials: Y
authors.lastname: Kong
authors.forename: Bo
authors.initials: B
authors.lastname: Liu
authors.forename: Lingyan
authors.initials: L
authors.lastname: Mo
authors.forename: Shuo
authors.initials: S
authors.lastname: Wang
authors.forename: Yanjun
authors.initials: Y
authors.lastname: Wu
authors.forename: Na
authors.initials: N
authors.lastname: Han
mesh_terms: D001302:Audiometry, Speech; D001307:Auditory Perception / Q000502:physiology*; D002675:Child, Preschool; D019929:Cochlear Implantation; D003638:Deafness / Q000151:congenital / Q000503:physiopathology / Q000601:surgery*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011795:Surveys and Questionnaires