2. + 80 mV

3. generated from the striavascularis by Na+/K+ATPase pump and provides source of energy for cochlear transduction

4. Present at rest and do not require sound stimulation

6. EE COLI 1. Cochlear nerves - waves I and II 2. Cochlear nucleus - wave III 3. Superior olivary complex - wave IV 4. Nulclei of lateral lemniscus - wave V 5. Inferior colliculus - waves VI and VII

7. Otoacoustic Emissions Energy leakage Evidence of a healthy, functioning cochlea Spontaneous and evoked emissions Evoked emission seen only in cochleae with thresholds less than 20 to 30 dB Conductive losses affect emissions Screening tool in infants