Audiometria Tonal

Exames: saiba mais!

A audiometria tonal liminar é o exame com o qual se determina o limiar auditivo, ou seja, o nível mínimo de sensibilidade auditiva de uma pessoa. É realizado em uma cabine audiométrica, que filtra a entrada de sons, permitindo a criação de um ambiente silencioso para o teste.

O indivíduo, durante a avaliação, ouvirá alguns apitos (tons puros) que variam em frequência e intensidade. Ele deverá responder para todos os sons audíveis, mesmo que em intensidade muito fraca. Assim, consegue-se determinar o limiar auditivo, principalmente para as frequências comuns nos sons de fala, privilegiando a avaliação auditiva para a comunicação oral.

A audiometria pode ser realizada em crianças, que respondem aos apitos durante atividade lúdica que serve como reforço para suas respostas corretas. Trata-se da audiometria condicionada ou lúdica.

Com adultos, o exame é mais direto, solicitando que a pessoa indique ao apertar um botão ou ao levantar a mão, se ouviu ou não o som fornecido pelo fonoaudiólogo.

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