Explain the commonly used techniques for extracting the auditory evoked potential from ongoing electrical activity. Describe otoacoustic emissions. Explain how evoked otoacoustic emissions are used...

Explain the commonly used techniques for extracting the auditory evoked potential from ongoing electrical activity. Describe otoacoustic emissions. Explain how evoked otoacoustic emissions are used clinically. Describe the technique of signal averaging for extracting evoked responses from ongoing EEG.