Electrical stimulation of the human olfactory mucosa was performed by means of an electrode attached to a rhinoscope. Stimulation of the nasal mucosa did not evoke smell sensations, but suppressed smell sensations of presented odorants. When electrical stimulation followed the exposure to an odorant within a certain interval, the stimulus recalled the already faded sensation of the preceding odorant. Electrical stimulation without prior natural stimulation produced unpleasant sensations in 3 patients with a history of temporal lobe seizures and olfactory auras, but not in patients with primary, generalized or focal epilepsy.

Keywords:
Electrical stimulation, Olfactory mucosa, Smell hallucinations
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© 1983 S. Karger AG, Basel
1984
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