Barrons AP Psychology 7th edition

(Marvins-Underground-K-12) #1

  1. (C) The fact that people’s ears are located on opposite sides of their heads is most adaptive
    because it helps us identify the origin of a sound. We locate sound by comparing the time it takes a
    sound wave to reach each ear and the intensity of the sound wave when it hits each ear. Sounds that
    come from our right reach our right ears more quickly and with greater intensity than sounds that
    come from the left and vice versa. The location of our ears does not increase the range of
    frequencies we can hear or help us gauge sound intensity, respond to noises behind us, or figure out
    what sounds to ignore.

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