Objective To investigate the frequency specificity of tone-pip evoked auditory brainstem responses (TP-ABR), and the relationship between the threshold of TP-ABR and the threshold of pure tone.

• 目的 了解短音 (tonepip)诱发的听性脑干反应 (TP -ABR)的特征及其各频率反应阈与纯音听阈的关系。