Pediatric Hearing Loss

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Pediatric Hearing Loss により Mind Map: Pediatric Hearing Loss

1. Hearing Loss

1.1. Refers to the condition in which a child or adolescent is unable to detect or distinguish the range of sounds normally available to the human ear

2. Auditory Processing Disorders

2.1. Hearing losses resulting from damage to the processing centers of the brain

3. Congenital hearing loss

3.1. Hearing loss may be present at birth

4. Prelingual hearing loss

4.1. Hearing loss occurs soon after birth but before a child has developed language

5. Poslingual hearing loss

5.1. Hearing loss occurs in later childhood or adolescence after language skills are well established

6. Deaf

6.1. Often refers to those persons whose hearing loss is severe

7. Types of Loss

7.1. 1.

7.1.1. Conductive hearing loss Caused by damage to the outer or middle ear, with the inner ear and cochlea intact

7.2. 2.

7.2.1. Sensorineural hearing loss Caused by damage to the cochlea or the auditory nerve, with the outer and middle ear intact

7.3. 3.

7.3.1. Mixed hearing loss Caused by damage to both the conductive and sensorineural mechanisms

8. Decibels

8.1. Hearing loss is also classified according to its severity, using the decibel system

9. Threshold

9.1. The prevailing approach to hearing loss is to identify the threshold

10. Bone Conduction

10.1. The transmittal of sound vibrations along the bones of the skull

11. Otitis Media

11.1. A viral or bacterial infection of the middle-ear space

12. Otocoustice Emissions

12.1. A measure of cochlear function

13. Evoked auditory potentials

13.1. A measure of the electrical response of the auditory system to a sound stimulus

14. Otoscopic examnination

14.1. Detects any abnormalities in these structures and to ensure a clear external auditory canal prior to testing

15. Audiometry

15.1. Also called pure-tone testing, provides objective information about hearing acuity

16. Air Conduction

16.1. The way most sounds are delivered to the cochlea and auditory pathway

17. Immittance

17.1. Describes the acoustic flow of energy through the middle-ear space

18. Tympanometry

18.1. A tool which examines tympanic membrane movement, or vibration.

19. Probe microphone measurement

19.1. Real ear testing

20. FM system

20.1. Most common ALD used by children, it's a personal amplification system that can be used independently or with hearing aids.

21. Cochlear implant

21.1. A surgically placed device that provides direct electrical stimulation to the auditory nerve