title: Relationship between auditory perception and vocal production in cochlear implantees: a systematic review.
abstract: OBJECTIVE
  To conduct a systematic review of the scientific literature studying the relationship between vocal production and auditory perception in cochlear implant users.
  
  
  METHODS
  This is an integrative systematic review. The plattforms/databases Bireme, SciELO, Cochrane, Scopus and Web of Science were consulted and the descriptors used were voice, cochlear implant and auditory perception.
  
  
  METHODS
  Original papers published in English, French, Spanish or Portuguese involving the study of vocal production and auditory perception in cochlear implant users were selected and there was no restriction about year of publication of the articles.
  
  
  METHODS
  The studies selected were analyzed according to the author, location, year and publication of the article, as well as for their sample size, type of vocal production and auditory perception assessment and for its major findings and recommendation grade/level of scientific evidence.
  
  
  RESULTS
  The results suggest the existence of positive relationship between vocal production and auditory perception in cochlear implant users, and indicate that the deployment time has a positive influence in this relationship.
  
  
  CONCLUSIONS
  None of the selected studies were rated at level 1 of scientific evidence or grade A of recommendation, which is related to the methodological approach that can go with this subject matter. There is great lack of publications relating auditory perception and speech production in cochlear implant users. This gap is even greater when it comes to the adult population.
authors.affiliation: Universidade Federal de Pernambuco - UFPE - Recife (PE), Brasil.
authors.forename: Helena Renata Silva
authors.initials: HR
authors.lastname: Cysneiros
authors.affiliation: Universidade Federal de Pernambuco - UFPE - Recife (PE), Brasil.
authors.forename: Mariana de Carvalho
authors.initials: MC
authors.lastname: Leal
authors.affiliation: Universidade Federal de Pernambuco - UFPE - Recife (PE), Brasil.
authors.forename: Jonia Alves
authors.initials: JA
authors.lastname: Lucena
authors.affiliation: Universidade Federal de Pernambuco - UFPE - Recife (PE), Brasil.
authors.forename: Lilian Ferreira
authors.initials: LF
authors.lastname: Muniz
mesh_terms: D001307:Auditory Perception; D019929:Cochlear Implantation / Q000295:instrumentation*; D003054:Cochlear Implants; D003638:Deafness / Q000534:rehabilitation*; D006801:Humans; D013067:Speech Perception / Q000502:physiology; D013068:Speech Production Measurement; D014833:Voice Quality