2023-06-28 17:00:13
According to a Portuguese study, there would be a difference in brain activation between the consumption of caffeine and that of a cup of coffee, with the associated sensory experience.
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Many morning coffee drinkers consume it to wake up and improve their work efficiency. But does this arousal effect depend on the properties of caffeine or is it more related to the experience of drinking coffee? The results of a Portuguese study on coffee drinkers are published in Frontiers in Behavioral Neuroscience.
Researchers who compared caffeine alone with coffee found that caffeine only partially duplicates the effects of a cup of coffee, activating areas of the brain that make you feel more alert, but not the areas of the brain that affect working memory, cognitive control, and goal-directed behavior.
The sensory and psychological experience of a cup of coffee
For the study, a group of habitual coffee drinkers underwent fMRIs, before and 30 minutes after taking caffeine or a standardized cup of coffee. The results showed that consuming caffeine or coffee made it easy to transition from rest to performing tasks.
In contrast, the coffee drinking experience (not caffeine alone) also increased connectivity in the higher visual network and the right executive control network. ” These effects were specific to coffee consumption, due to factors such as the particular smell and taste of the drink, or the psychological expectation associated with its consumption. », said Dr. Maria Picó-Pérez, co-author of the study. There is also a hypothesis that the benefits shown by coffee drinkers are due to the relief of withdrawal symptoms, but the study did not verify this.
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