1. Acoustic Immittance Otoacoustic Emissions Auditory Evoked Potentials Objective Tests

2. Instrumentation Ear Canal Measurements Static Immittance (compliance) Tympanometry Acoustic Reflexes Acoustic Immittance

3. Instrumentation sound source air pump analysis section acoustic reflex stimulus Acoustic Immittance

4. Ear canal volume predicted by intensity of reflected sound Acoustic Immittance

6. Ear Canal Volume Normative Data Adults Mean = 1.5 mL 90% range = 0.6 to 1.5 mL Children Mean = 0.7 mL 90% range = 0.4 to 1.0 mL Acoustic Immittance

7. Static immittance is the measurement of tympanic membrane and middle ear mobility Normative Data for Adults Mean = 0.8 mL 90% range = 0.3 to 1.4 mL Normative Data for Children Mean = 0.5 mL 90% range = 0.2 to 0.9 mL Acoustic Immittance

8. Tympanometry tracks changes in static immittance over time Acoustic Immittance

9. Tympanometric (Jerger) types Acoustic Immittance

10. Tympanometric (Jerger) types Acoustic Immittance

11. Tympanometric Shape (as recommended by ASHA) Width of the tympanogram at the 50% amplitude point Acoustic Immittance

13. Normative data for tympanomeric shape Adults Mean = 80 daPa 90% range = 50 to 110 daPa Children Mean = 100 daPa 90% range = 60 to 150 daPa Acoustic Immittance

14. Acoustic Reflex Anatomy and Physiology Acoustic Immittance

15. Acoustic Reflex Anatomy and Physiology Acoustic Immittance

16. Acoustic Reflex Threshold Definition ART for pure tones = 85 to 95 dB HL for normally hearing people ART for Speech = 10 to 20 dB less for pure tones Doesn’t change in people with cochlear loss (up to 50 dB HL) Acoustic Immittance

17. Conductive Loss Sensorineural Loss Cochlear Loss Retrocochlear Loss Diagnostic Significance

18. Instrumentation Otoacoustic Emissions

19. Function Otoacoustic Emissions

20. Transient Otoacoustic Emissions (TOAEs) Distortion Product Otoacoustic Emissions (DPOAE) Otoacoustic Emissions

21. Application neonatal hearing screening differential diagnosis monitoring cochlear damage Otoacoustic Emissions

22. Instrumentation Auditory Brainstem Response Audiometry (ABR) Other AEPs Auditory Evoked Potentials

23. Instrumentation Auditory Evoked Potentials

25. Auditory Brainstem Response (ABR) Applications differential diagnosis auditory threshold testing neonatal hearing screening neurosurgical interoperative monitoring Auditory Evoked Potentials

26. Interpertation for ABR latency amplitude morphology Auditory Evoked Potentials

28. you are not responsible for chapter 7 of text Summary