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 Vol 9: Reduced Pleasant Touch Appraisal in the Presence of a Disgusting Odor.


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This article is from PLoS ONE, volume 9.AbstractObjectives: Odors are powerful emotional stimuli influencing mood, attention and behavior. Here we examined if odors change the perception of pleasant touch. In line with the warning function of the olfactory system, we proposed that especially unpleasant odors will reduce touch pleasantness, presumably through a disgust-related mechanism. Methods: Forty-five healthy participants mean age 23.3 +-− 3years SD, 24 females were presented to slow 3 cm-s and fast 30 cm-s brush stroking delivered by a robot to the forearm. Touch pleasantness under the influence of an unpleasant odor Civette, smelling like feces and an intensity matched pleasant odor Rose was compared to an odorless control condition. In a pilot study with 30 participants mean age 25.9 +-−6 years, 21 females, the odors were matched according to their intensity, and we studied the influence of disgust sensitivity on the perception of 4 different odor qualities. Results: The unpleasant odor decreased touch pleasantness for both stroking velocities compared to the odorless control p



Autor: Croy, Ilona; Angelo, Silvia D'; Olausson, Hakan

Fuente: https://archive.org/







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