title: [Otoacoustic emissions as cochlear function analyser in children with language disorders].
abstract: OBJECTIVE
  Speech perception that takes place in the cochlea is involved in the process of language. The objective was to describe the findings in transient otoacoustic emissions in children with language problems before and after 6 months of speech therapy.
  
  
  METHODS
  There were 17 children with language problems between 3 and 6 years of age diagnosed with anarthric language delay (expressive and mixed language disorder). They underwent medical history, otoscopy, intelligence level testing, initial language test, tympanometry of 226Hz, audiometry and transient otoacoustic emission test.
  
  
  RESULTS
  We evaluated the 17 patients again after 6 months of attending speech therapy. The percentage of overall reproducibility of transient otoacoustic emissions in both ears was adequate to perform frequency analysis. We found a statistically significant difference (P≤0.01) in the frequency of 1kHz reproducibility when comparing results before and after therapy in the right ear. There was a significant difference (P≤0.05) when comparing the results of audiometry at frequencies of 0.5, 1.5, 2, 4 and 8kHz in the right ear and a highly significant difference (P=0.001) in the frequency of 3kHz in the left ear.
  
  
  CONCLUSIONS
  The analysis of sound through the cochlea is involved in the process of language acquisition. A poor processing of speech sounds in the peripheral system could result in poor processing at the central level. Consequently, it is important to consider our results when making a diagnosis and carrying out rehabilitation treatment in children with language disorders.
authors.affiliation: División de Audiología y Otoneurología, Instituto Nacional de Rehabilitación, México D.F., México.
authors.forename: Silvia A
authors.initials: SA
authors.lastname: Aguilera-Tello
authors.affiliation: División de Audiología y Otoneurología, Instituto Nacional de Rehabilitación, México D.F., México.
authors.forename: Ileana
authors.initials: I
authors.lastname: Gutiérrez-Farfán
authors.affiliation: División de Audiología y Otoneurología, Instituto Nacional de Rehabilitación, México D.F., México.
authors.forename: Laura E
authors.initials: LE
authors.lastname: Chamlati-Aguirre
authors.affiliation: Servicio de Neurorrehabilitación, Laboratorio de Neuroprotección, Instituto Nacional de Rehabilitación, México D.F., México.
authors.forename: Efrén
authors.initials: E
authors.lastname: Alatorre-Miguel
authors.affiliation: Servicio de Neurorrehabilitación, Laboratorio de Neuroprotección, Instituto Nacional de Rehabilitación, México D.F., México. Electronic address: alfredo.durand@gmail.com.
authors.forename: Alfredo
authors.initials: A
authors.lastname: Durand-Rivera
mesh_terms: D001299:Audiometry / Q000379:methods; D002648:Child; D002675:Child, Preschool; D003051:Cochlea / Q000503:physiopathology*; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D007360:Intelligence; D007806:Language Disorders / Q000503:physiopathology* / Q000628:therapy; D008297:Male; D017084:Otoacoustic Emissions, Spontaneous / Q000502:physiology*; D015203:Reproducibility of Results; D013070:Speech Therapy; D013997:Time Factors
keywords: Audiometry; Audiometría; Emisiones otoacústicas transitorias; Language; Language disorder; Language therapy; Lenguaje; Terapia de lenguaje; Transient otoacoustic emissions; Trastorno de lenguaje