In experimental tasks, every subject received stimuli of 1kHz pure tone bursts delivered to the bilateral ear with SPL 140dB, duration 500ms, interstimulus intervals 1s.

• BOLDfMRI采用组块设计。 声音刺激用140dB1kHz纯音,持续时间500ms,刺激间隔1s,刺激施加频率1Hz。