Vibration refers to the rapid back-and-forth movement or oscillation of an object. In the context of auditory perception, vibration specifically relates to the movement of the basilar membrane in the cochlea.
Related terms
Frequency: The number of complete vibrations or cycles per second. Higher frequency vibrations result in higher pitched sounds.
Pitch Perception: The process by which our brains interpret different frequencies of sound as specific pitches.
Place Theory: A theory suggesting that pitch is determined by the specific location of vibration along the basilar membrane.