There are some difference between the thresholds of ASSR to single and simultaneously multiple bone conduction stimuli,especially at the higher frequencies.

• BC-ASSR测试时,单频刺激和多频刺激方法所得听阈值存在一定的差异,且高频处的差异相对较大,因而临床应用测试时宜采用单频刺激方式。