Recent studies have shown that our expectations about an odour, rather than any direct effects as a result of our real exposure to an odour, may be responsible for our moods and its health benefits. For example, in one experiment subjects who were told that they were subjected to an unpleasant odour that they may or may not be able to smell reported mood changes associated with this suggested smell alone. Conversely, in this same study, subjects who were given the suggestion of a pleasant odour reported positive effects on their moods.
However, in studies where odourless sprays (placebos) were used, subjects responded to a lesser degree than those who were exposed to scented sprays. Thus, while the mere best casino bonuses UK mention of a pleasant odour may give us a cheerful disposition, the actual smell has a greater impact on our moods and well-being. And although our olfactory sense may decrease with age, a pleasant smell has been shown to have positive effects on individuals of all ages.
Is one side of our brains more prone to a certain emotion than another?
Interestingly, scientific research has shown that our right and left nostrils do not respond in the same manner to positive and negative aromas. Researchers have discovered differences in olfactory cortical neurone activity in the right and left hemispheres of the brain. According to their studies, negative emotions are predominantly processed by the right hemisphere while positive ones are predominantly processed by the left hemisphere.
How does scent effect our perception of others?
Our perception of others may also be influenced by scent. In one experiment, subjects were asked to rate the appearances of individuals in a series of portraits. Subjects who were exposed to pleasant fragrances gave higher ratings to individuals than those who were subjected to unpleasant fragrances.