'Smart' drugs can decrease productivity in people who don't have ADHD, study finds

'Smart' drugs can decrease productivity in people who don't have ADHD, study finds Cambridge_Uni ScienceAdvances

Science Advances

In four double-blinded, randomized trials in Melbourne, each a week apart, the same 40 healthy participants took one of three popular"smart" drugs or a placebo. They were assessed on how they performed in a test designed to model the complex decision-making and problem-solving present in our everyday lives.targeting memory or attention, the Melbourne trial involved more computationally complex activities that better simulate the difficult nature of tasks people encounter in daily life.

For example, when given methylphenidate—often used to treat ADHD in children, but increasingly taken bycramming for exams—participants took around 50% longer on average to complete the knapsack problem as when they were given a placebo. Professor Peter Bossaerts, Leverhulme International Professor of Neuroeonomics at the University of Cambridge, believes more research needs to be conducted to find out what effects the drugs are having on users without ADHD.

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