Auditory late responses in asperger syndrome: two case study

Authors

  • Ana Cláudia Bianco Gução Universidade Estadual Paulista
  • Ana Carla Leite Romero Universidade Estadual Paulista
  • Vitor Engracia Valenti Universidade Estadual Paulista
  • Ana Cláudia Vieira Cardoso Universidade Estadual Paulista
  • Andréa Regina Nunes Misquiatti Universidade Estadual Paulista
  • Ana Claúdia Figueiredo Frizzo Universidade Estadual Paulista

DOI:

https://doi.org/10.7322/jhgd.72092

Keywords:

Asperger Syndrome, auditoryevoked responses, cognition

Abstract

Introduction: Auditory Late Responses (ALR) assess central auditory processing by neuroelectric activity of the auditory pathway and analyse the activities involved in cortical abilities of discrimination, attention and integration of the brain. Individuals withAsperger Syndromeexperience changesinthese skills, so it is importanttoresearchthesepotentialthis population. The objective of this paper was to describe the auditory late responses of two patients with Asperger Syndrome. Methods: The study included two male patients with Asperger Syndrome, of 7 and 12 years of age, treated in a study centre. The patients did not present any auditory complaint detected by anamnesis. The external auditory canal was inspected and audiological and auditory late responses assessed. After evaluation the components P2, N2 and P3 were analysed. Results: In both patients, the latency of the components P2, N2 and P3 were elongated in both ears. Regarding the amplitude of the P2 component, reduced values were found for the left ear of patient 1 and the right ear of patient 2. The N2 amplitude was reduced for both ears of patient 1 and only the right ear of patient 2. The two patients showed a decrease in the amplitude of the P3 only in the right ear. Conclusion:This study concludes that there were changes in the ALR results in both patients with Asperger Syndrome, suggesting alteration of the auditory function at the cortex level.

Author Biographies

  • Ana Cláudia Bianco Gução, Universidade Estadual Paulista
    Fonoaudióloga. Aluna regular do mestrado em Fonoaudiologia do Programa de Pós-Graduação da Faculdade de Filosofia e Ciências da Universidade Estadual Paulista – FFC/UNESP - Marília – SP/Brasil.
  • Ana Carla Leite Romero, Universidade Estadual Paulista
    Fonoaudióloga. Aluna regular do mestrado em Fonoaudiologia do Programa de Pós-Graduação da Faculdade de Filosofia eCiências da Universidade Estadual Paulista – FFC/UNESP - Marília – SP/Brasil.
  • Vitor Engracia Valenti, Universidade Estadual Paulista
    Fisioterapeuta. Docente do Departamento de Fonoaudiologia e do Programa de Pós-Graduação em Fonoaudiologia da Faculdade de Filosofia e Ciências da Universidade Estadual Paulista – FFC – UNESP – Marilia (SP), Brasil.
  • Ana Cláudia Vieira Cardoso, Universidade Estadual Paulista
    Fonoaudióloga. Docente do Departamento de Fonoaudiologia da Faculdade de Filosofia e Ciências da Universidade Estadual Paulista – FFC – UNESP – Marilia (SP), Brasil.
  • Andréa Regina Nunes Misquiatti, Universidade Estadual Paulista
    Fonoaudióloga. Docente do Departamento de Fonoaudiologia da Faculdade de Filosofia e Ciências da Universidade Estadual Paulista – FFC – UNESP – Marilia (SP), Brasil.
  • Ana Claúdia Figueiredo Frizzo, Universidade Estadual Paulista
    Fonoaudióloga. Docente do Departamento de Fonoaudiologia e do Programa de Pós-Graduação em Fonoaudiologia da Faculdade de Filosofia e Ciências da Universidade Estadual Paulista – FFC – UNESP – Marilia (SP), Brasil.

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Published

2014-02-01

Issue

Vol. 24 No. 1 (2014)

Section

Artigos Originais

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