OAEs are considered to be related to the amplification function of the cochlea. In the absence of external stimulation, the activity of the cochlear amplifier increases, leading to the production of sound. Several lines of evidence suggest that, in mammals, outer hair cells are the elements that enhance cochlear sensitivity and frequency selectivity and hence act as the energy sources for amplification. One theory is that they act to increase the discriminability of signal variations in continuous noise by lowering the masking effect of its cochlear amplification.
My son has a speech delay and is in daycare to help socialize him withother children as well as the rece’s are able to help him in ways I don’t know how as a first time parent this is a last resort as I’ve tried speech pathologist among other options this one is finally beginniNing to show some progress with these proposed changel to ratios this will be impossible young children will no longer get the necessary one on one time or quality educational curriculum also with the proposed age grouping changes many daycare facilities won’t offer infant care due to safety issues infants learning to walk put in with toddlers who are carelessly running around and in their hitting and biting phases PKEASE DO NOT GO THROUGH WITH THESE CHANGES. ~vienna Johnstone, concerned parent windsor Ontario
In conjunction with audiometric testing, OAE testing can be completed to determine changes in the responses. Studies have found that exposure to noise can cause a decline in OAE responses. In a study, industrial workers who were exposed to 84.5 dBA of noise were compared to workers who were exposed to 53.2 dBA of noise by considering hearing thresholds and OAEs before and after 5 days of work. This study revealed that hearing thresholds and OAE results were significantly lower among the workers who were exposed to higher levels of noise.
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My name is Kara Downing but now days I go by Miss Kara. I grew up in south eastern Colorado on a 2500 acre farm with my brother and sister. I was the youngest sibling and always wanted a younger brother or sister. As a young child I was always helping take care of my younger cousins and I loved babysitting. My grandma was an elementary teacher and I remember going to help in her classroom and the idea of teaching seemed like so much fun. I believe all of these factors helped my find my passion with working with children.