![]() Portuguese scientists studied coffee-drinkers to understand whether that wakefulness effect is dependent on the properties of caffeine, or whether it’s about the experience of drinking coffee. Coffee is often thought to make you feel more alert, so people drink it to wake themselves up and improve their efficiency. ![]() Scientists testing coffee against plain caffeine found that plain caffeine only partially reproduces the effects of drinking 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 and goal-directed behavior.įor many people, the day doesn’t start until their coffee mug is empty. By Angharad Brewer Gillham, Frontiers science writer Image/
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