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Even a single instance of vigorous exercise measurably improves brain function, and that improvement lasts up to two hours. That’s the result of research by New York University Center for Neural Science professor Wendy Suzuki. In an experiment she conducted with several other Center for Neural Science researchers, subjects engaged in an hour of vigorous exercise (50 minutes of vigorous exercise bike riding with a five-minute warm-up and cool-down) and then took a battery of cognitive tests designed to test different types of brain function.
They found that subjects who’d ridden the bikes had markedly better scores on tests of their prefrontal cortex function than those who’d spent the hour watching an episode of 24 instead. The prefrontal cortex is the part of the brain that handles reasoning, problem-solving, learning, memory, communication skills, and other tasks that are essential for most business leaders. By testing over time, the researchers found that this improved function lasted at least half an hour, and up to two hours.
But Suzuki’s study of exercise’s effect on brain function was not limited to the lab. In a real-world version of the experiment, she began leading some of her neuroscience major students at NYU in a weekly class in IntenSati, a cardio workout that incorporates dance and kickboxing moves, yoga, and affirmations. She found that even working out only once a week, the students who exercised with her had improved reaction times and consistently strong academic performance throughout the semester, whereas the non-exercising students saw their performance decline over time.
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