Epidemiology
The study of diseases and incidences of health factors
Prevalence
How many people are affected in a whole population at one particular time
Incidence
How many new cases are identified
What is the most common birth defect?
Congenital hearing loss
Why does the prevalence of hearing loss increase with age?
- Genetic factors that later lead to hearing loss progressively
- Could have been missed (High-frequency loss not caught by OAE)
- Increased time for other causes like injury or meningitis
90-95% of deaf children are ________ ?
Born to hearing parents.
___ out of 6 children experience at least one ear infection by the time they are __ years old.
5, 3
2 critical factors that influence a child's auditory brain development during first years of life.
1) Fitting of technology
2) Reception of intelligible speech
Hearing vs. Listening
Hearing: access to sound
Listening: interpretation
