The Human Ear
Leading Causes of Hearing Loss
Adult:
- Excessive noise exposure
- Presbycusis-aging process
- Tumors and other space occupying lesions
- Vascular & circulatory disorders
- Heredity
Children:
- Middle Ear Problems
- Before age 6, 90% of all children in the US will suffer from Otitis Media
Congenital
- Craniofacial Anomalies
- Family History of Hearing Loss
- Congenital infections
The Human Ear
Labyrinth
(Balance Canal)
Ossicles
Three ear Bones
Facial
Nerve
Nerve
Balance
Nerve
Hearing
Nerve
Cochlea
Middle ear
space
Eustachian
Tube
Ear drum
External
Ear Canal
Patient Ear Chart
How We Hear
Sound
Vibrations are collected by the outer ear & sent to eardrum
Sound waves cause eardrum to vibrate
Fluid in the inner ear stimulates special nerve endings called hair cells represented by the piano keys
The three bones of the middle ear (the Hammer, Anvil and Stirrup)
transmit and amplify the vibrations to the oval window of the inner ear
"HAVE YOUR HEARING CHECKED REGULARLY"
A & D Hearing Center, Inc. 2205 South 4th Street, Leavenworth, KS 66048
(913) 682-1308 ; (800) 530-5213 E-mail: albeefamly@aol.com
Symptoms of Hearing Loss
Asking people to repeat
Strained personal relationship
Misunderstanding Conversations
Social withdrawal
Fatigue and Stress
Difficulty understanding
Children
Turning up the volume on the TV
Asking people to repeat
Strained personal relationship
Misunderstanding Conversations
Social withdrawal
Fatigue and Stress
Difficulty understanding
Children
Turning up the volume on the TV
Eletrical impulses are sent from hair cells to brain
