评价人工耳蜗植入后患者能否获得听力以及听力改善的情况 ,过去多采用主观测听法 ,但在儿童尤其是幼儿 ,由于表达的障碍 ,不能可靠地评估其听阈值及言语感知能力。另外 ,主观测听法有时不可靠 ,且重复性较差。因此 ,临床听力学家希望寻找可靠而且客观的测听方法来估测行为阈值 In the past, subjective audiometry was used to assess whether patients with hearing loss and hearing improvement after cochlear implants were implanted. However, in children, especially young children, their hearing thresholds and speech-perception abilities can not be reliably evaluated due to the obstacles of expression. In addition, subjective listening is sometimes unreliable and less reproducible. Therefore, clinical audiologists hope to find a reliable and objective audiometry method to estimate the behavior threshold