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Audiometric Characteristics of Children and Adults

Audiometric Characteristics of Children and Adults. Andrea Pittman, Ph.D. Patricia Stelmachowicz, Ph.D. Boys Town National Research Hospital. Funded by a grant from NIH. Possible Adult-Child Differences. Audiometric Configurations Right-Left Ear Asymmetry of Hearing Loss

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Audiometric Characteristics of Children and Adults

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  1. Audiometric Characteristics of Children and Adults Andrea Pittman, Ph.D. Patricia Stelmachowicz, Ph.D. Boys Town National Research Hospital Funded by a grant from NIH

  2. Possible Adult-Child Differences • Audiometric Configurations • Right-Left Ear Asymmetry of Hearing Loss • Progression of Hearing Loss

  3. Methods • Groups • 248 audiograms from 60- and 61-year-old adults • 227 audiograms from 6-year-old children • Criteria • Right ear thresholds at octave test frequencies 250-8 kHz • At least one threshold > 30 dB • Confirmed right ear sensorinueral hearing loss by bone conduction audiometry • Air-bone gaps < 10 dB.

  4. Audiogram Classification • Sloping • Rising • Flat • U-Shaped • Noise Notched • Tent-Shaped • Other

  5. Audiogram Classification • Sloping • Rising • Flat • U-Shaped • Noise Notched • Tent-Shaped • Other

  6. Audiogram Classification • Sloping • Rising • Flat • U-Shaped • Noise Notched • Tent-Shaped • Other

  7. Audiogram Classification • Sloping • Rising • Flat • U-Shaped • Noise Notched • Tent-Shaped • Other

  8. Audiogram Classification • Sloping • Rising • Flat • U-Shaped • Noise Notched • Tent-Shaped • Other

  9. Audiogram Classification • Sloping • Rising • Flat • U-Shaped • Noise Notched • Tent-Shaped • Other

  10. Audiogram Classification • Sloping • Rising • Flat • U-Shaped • Noise Notched • Tent-Shaped • Other

  11. Audiogram Classification • Sloping • Rising • Flat • U-Shaped • Noise Notched • Tent-Shaped • Other

  12. Results: Configurations

  13. Results: Average Audiograms Adults Children

  14. Results: Sloping Adults Children

  15. Results: Sloping Adults Children

  16. Results: Sloping Adults Children

  17. Results: Flat Adults Children

  18. Results: U-Shaped Adults Children

  19. Results: U-Shaped Adults Children

  20. Results: Tent-Shaped Adults Children

  21. Results: Tent-Shaped Adults Children

  22. Results: Other Adults Children

  23. Results: Other Adults Children

  24. Results: Other Adults Children

  25. Results: Other Adults Children

  26. Results: Other Adults Children

  27. Asymmetry • Left Ear Thresholds • 248 60- and 61-year-old adults • 227 6-year-old children

  28. Results: Asymmetry

  29. Results: Asymmetry @ 250 Hz Adults Children

  30. Results: Asymmetry @ 500 Hz Adults Children

  31. Results: Asymmetry @ 1k Hz Adults Children

  32. Results: Asymmetry @ 2k Hz Adults Children

  33. Results: Asymmetry @ 4k Hz Adults Children

  34. Results: Asymmetry @ 8k Hz Adults Children

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