Scientists have found that drinking coffee daily changes the human brain. Some functional connections are reduced, while others, on the contrary, remain longer.
Scientists, whose research is briefly written by “N + 1”, performed fMRI in 31 people who often drink coffee, as well as in 24 people who hardly drink coffee. The last 24 participants were then offered a cup of coffee and had fMRI again.
As it turned out, the level of stress was higher among coffee drinkers. Also, these participants observed more pronounced relaxation difficulties. In addition, coffee drinkers showed a tendency to reduce muscle tension associated with anxiety.
Overall, coffee drinkers have been found to have decreased functional connectivity in the somatosensory areas, which process sensations from the body, and in the limbic system, which is involved in the regulation of emotion, motivation, and memory. Another decrease was observed in the cerebellum, nuclei of the thalamus and striatum.
On the other hand, in other areas of the cerebellum and thalamus, as well as in the parahipocampal, medial occipital-temporal, and inferior occipital gyri, functional connections persisted longer. These structures are responsible for increasing concentration, attention, visual alertness and arousal.
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