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Hearing Sound: Our Window of Perception

If we heard and processed every sound wave traveling through the air, we could easily be overwhelmed by sensory overload. Instead, through evolution, humans have evolved to perceive sound waves within a limited range of frequency. As we age, high frequencies are usually the first to be affected by hearing loss. Those with high-frequency hearing loss may have trouble understanding female or children’s voices or distinguishing consonants such as S, F or H. An audiogram can help determine any loss of hearing perception and is the first step toward counteracting losses of inner ear function.

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