A study conducted by researchers from the University of Geneva and the University of Toronto reveals that dreams can have a variable emotional function.
It showed that the first two groups produced more threatening, but also more cathartic and socially-oriented dreams than the Western groups. These results, to be read in, show how strong are the links between the socio-cultural environment and the function of dreams. What are the physiological, emotional, or cultural functions of dreams? Does it regulate our emotions? Does it prepare us to deal with a specific situation? Recent theories suggest that during a ‘‘functional’’ dream, the individual simulates more threatening and/or social situations, which would have an evolutionary advantage in promoting adapted behavior to real-life situations.
‘‘We discovered that the dreams of the BaYaka and Hadza are very dynamic. They often begin with a situation of danger, in which life is threatened, but end up staging a means of coping with this threat, unlike the scenarios in the Western groups we observed. On the other hand, in clinical populations – such as patients suffering from nightmares or social anxiety – the dreams are intense but do not contain a cathartic emotional resolution.
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