In observing fluid travelling on the cochlea, you note that there is a wave peak close to the oval window. According to von Bekesy and place theory, this should be interpreted as

Question

Quizplus · Accepted Answer

According to the place theory of hearing, which was proposed by Georg von Békésy, high frequency sounds produce peak vibrations closer to the base of the cochlea (near the oval window), while low frequency sounds produce peak vibrations near the apex of the cochlea. Therefore, observing a wave peak close to the oval window indicates a high frequency sound.

In Observing Fluid Travelling on the Cochlea, You Note That