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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
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[P300 event-related potentials in stutterers pre and post treatment: a pilot study]
Claudia Regina Furquim de Andrade1, Fernanda Chiarion Sassi, Carla Gentile Matas
1Departamento de Fisioterapia, Fonoaudiologia e Terapia Ocupacional, Faculdade de Medicina, Universidade de São Paulo, São Paulo. clauan@usp.br
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.
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