Effect of Aging on Hedonic Appreciation of Pleasant and Unpleasant Odors

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Abstract

Does hedonic appreciation evolve differently for pleasant odors and unpleasant odors during normal aging? To answer this question we combined psychophysics and electro-encephalographic recordings in young and old adults. A first study showed that pleasant odorants (but not unpleasant ones) were rated as less pleasant by old adults. A second study validated this decrease in hedonic appreciation for agreeable odors and further showed that smelling these odorants decreased beta event-related synchronization in aged participants. In conclusion, the study offers new insights into the evolution of odor hedonic perception during normal aging, highlighting for the first time a change in processing pleasant odors. © 2013 Joussain et al.

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Joussain, P., Thevenet, M., Rouby, C., & Bensafi, M. (2013). Effect of Aging on Hedonic Appreciation of Pleasant and Unpleasant Odors. PLoS ONE, 8(4). https://doi.org/10.1371/journal.pone.0061376

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