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Title
A psychophysical test of the vibration theory of olfaction.
Authors
Keller, Andreas; Vosshall, Leslie B
Abstract
At present, no satisfactory theory exists to explain how a given molecule results in the perception of a particular smell. One theory is that olfactory sensory neurons detect intramolecular vibrations of the odorous molecule. We used psychophysical methods in humans to test this vibration theory of olfaction and found no evidence to support it.