Hearing in Stereo
You might think that hearing with both the right ear and left ear is twice as good as hearing from either ear alone. It could be argued that it’s more like three times as good.
That’s because when both of your ears are actively involved in hearing, then you’re also using both sides of your brain. The two sides of your brain are able to compare the sounds being heard from each ear. For example, comparing the difference between what is heard by the right and left ears helps you to separate speech from noise.
The right/left interaction occurs at several levels of the brain. Recent research suggests there is even more interaction than previously realized. This is especially helpful for hearing in difficult places and explains why hearing in only one ear is adequate for quiet settings, but not for noisy settings.
Copyright 2009 Hearing HeatlhCare News