Welcome to Happy Day Learning Center of Aurora, Inc., where we offer a safe, fun environment for your child to learn. We are committed to providing the highest quality of child care services for each and every child that comes through our door. For over 28 years, Happy Day Learning Center of Aurora has proudly taken care of the children in our community. As a locally owned learning center, we take the time to provide personalized attention to your children and their development.
An otoacoustic emission (OAE) is a sound which is generated from within the inner ear. Having been predicted by Thomas Gold in 1948, its existence was first demonstrated experimentally by David Kemp in 1978 and otoacoustic emissions have since been shown to arise through a number of different cellular and mechanical causes within the inner ear. Studies have shown that OAEs disappear after the inner ear has been damaged, so OAEs are often used in the laboratory and the clinic as a measure of inner ear health.
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