A, The mean eOA power. B, The eOA power and phase-locking peak latency. C, LI of A. D, LI of B. L and R are the left and right hemisphere, and S and N are speech and nonspeech sounds, respectively. The data of patients are shown as dotted bars and those of normal controls are shown as plain bars. **p < 0.01; *p < 0.05.