Briefly discuss the benefits, disadvantages and limitations of using otoacoustic emissions to screen newborn babies for hearing loss during the first few weeks of life.

SCHOOL OF HEALTH SCIENCES

 

  1. Briefly discuss the benefits, disadvantages and limitations of using otoacoustic emissions to screen newborn babies for hearing loss during the first few weeks of life.

(15 marks)

  1. When using Visual Reinforcement Audiometry to assess the hearing of a 12 month old child, why might an audiologist choose to use sound field audiometry first and then to use insert earphones?

(5 marks)

  1. A 4 year old child has given the following clear, reliable responses to warble tones presented in the sound field

500 Hz            1kHz   2kHz   4kHz

65dBHL           75dBHL           40dBHL           35dBHL

Which of the Ling 6 sounds (mm, oo, aa, ee, sh, ss) might you expect this child to be able to detect and which might you expect him to be able to accurately imitate? Please explain your answer. Additional information about the Ling 6 sounds is provided on a separate sheet.

(15 marks)

 

  1. A six year old girl has failed a school hearing screen but appears to have no difficulties in hearing even quiet speech. There is no evidence of any recent middle ear problems and a non-organic hearing loss is suspected. Discuss ways in which you might modify your assessment to determine this child’s true hearing thresholds.

(10 marks)

  1. What factors would you take into account when selecting a hearing aid for a 4 month old child with a severe, bilateral, sensori-neural hearing loss?

(15 marks)

  1. What are the benefits of using RECD (Real-Ear to Coupler Difference) measurements when fitting hearing aids in children?

(5 marks)

  1. What advice would you give to the parents of a 3 month old boy – recently diagnosed with a moderate to severe hearing loss and fitted with bilateral hearing aids – about ways in which they can help to promote his auditory development?

(15 marks)

  1. A thirteen year old girl with a profound hearing loss has recently begun secondary school. She has been a keen and consistent hearing aid user since she was 12 months old, uses spoken language as her only means of communication and has had very little difficulty keeping up with her peers at primary school. However, she is now finding it more difficult to follow her lessons and is not doing as well with her schoolwork as her teachers and family had expected. Why might this be? Discuss the kinds of support that might be of benefit in helping this teenager to achieve her full potential at secondary school.

(20 marks)

 

Additional information relating to question 3

mm oo ah ee sh ss
250-350 Hz FB F1 F1
500Hz
750Hz – 850Hz F2 F1
1000-1500Hz F2
2000 – 2500Hz F2 FB
3000 Hz
4000Hz FB

LING SOUNDS

FB: frequency band

F1: first formant

F2: second formant

Source: Ling 1988

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