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Pró-Fono Revista de Atualização Científica

versão impressa ISSN 0104-5687

Resumo

ANDRADE, Claudia Regina Furquim de et al. P300 event-related potentials in stutterers pre and post treatment: a pilot study. Pró-Fono R. Atual. Cient. [online]. 2007, vol.19, n.4, pp.401-405. ISSN 0104-5687.  http://dx.doi.org/10.1590/S0104-56872007000400013.

BACKGROUND: P300 event-related potential has been used as an instrument to establish the diagnosis of several disorders as well as to assess therapeutic outcomes. AIM: to investigate the relationship between stuttering amelioration and cerebral activity. METHOD: P300 event-related potentials were obtained in three adult males, all stutterers, aged 20 to 31 years, pre and post-treatment, verifying changes in wave amplitude and latency between waves. RESULTS: results indicate a significant positive correlation between the reduction in the percentage of stuttered syllables and the improvement in wave amplitude for the right ear. CONCLUSION: stutterers can exhibit different patterns of interhemispheric activity with a tonal P300 task after undergoing a fluency-enhancing program.

Palavras-chave : Stuttering; Auditory Evoked Potentials; Methods.

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