Ritalin has no effect on primate prefrontal cortex: In contrast to studies of mice and rats, new research in monkeys has found no effect of the drug methylphenidate (Ritalin) on the prefrontal cortex. The study leaves open the question of how and why Ritalin improves attention in humans.

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Ritalin has no effect on primate prefrontal cortex: In contrast to studies of mice and rats, new research in monkeys has found no effect of the drug methylphenidate (Ritalin) on the prefrontal cortex. The study leaves open the question of how and why Ritalin improves attention in humans.