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Updated: Dec 18, 2025

A Free-breathing fMRI Method to Study Human Olfactory Function
Published on: July 30, 2017
The effect of olfactory training on olfactory bulb volumes in patients with idiopathic olfactory loss
M K Mahmut1, M Musch2, P Han3
1Smell and Taste Clinic, Department of Otorhinolaryngology, TU Dresden, Dresden, Germany; Food, Flavour and Fragrance Lab, Department of Psychology, Macquarie University, Sydney, Australia.
Abstract:
Olfactory loss impacts around 20% of the population and is associated with the reduction of pleasure from eating and drinking, sex and depression (1). Encouragingly, research findings have consistently demonstrated that olfactory training (OT) can improve olfactory function in people with olfactory loss due to various aetiologies (2). The most commonly used method for OT involves smelling four different odours (lemon, eucalyptus, rose and cloves), twice daily, for 12 weeks.
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