![]() ![]() However, experiencing that cup of joe appeared to increase connectivity in the brain’s higher visual network and right executive control network, while caffeine alone did not do this. This means that consuming both caffeine and coffee does jolt you to wakefulness. Both groups showed decreased activity in the default mode network - neural regions that show increased activity when a person isn’t focused on what’s happening around them, such as when they are daydreaming - particularly in an area called the precuneus, considered the central node of the default mode network. In the new study, a group of Spanish and Portuguese researchers took MRI brain scans of regular coffee drinkers 30 minutes before and after drinking a cup of coffee or taking a caffeine pill (the participants were instructed to avoid ingesting any outside caffeine). However, there hasn’t been conclusive evidence showing it can improve cognitive or mental function. You might perceive caffeine as a cognitive enhancer because of these effects. The stimulant increases activity in your brain and nervous system, dialing up adrenaline as well as hormones involved in your fight or flight response, like epinephrine and norepinephrine. ![]() That’s at least according to a study published Wednesday in the journal Frontiers of Behavioral Neuroscience.Ĭoffee’s reputation as a pick-me-up has largely been attributed to its caffeine content. But that doesn’t mean you should quit your daily latte. Are you among the many people who need coffee buzzing around in your brain before tackling the day? As it turns out, this demand for a caffeine-filled beverage may have nothing to do with the stimulant itself and instead be a well-brewed placebo effect. ![]()
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