Move to learn: exercise, dance and balance as learning boosters
Sejnowski links exercise to brain energy, Huberman ties it to neurogenesis and bone hormones, balance work amplifies plasticity, and Jarvis argues dancing keeps the brain sharp. Movement is a cheap addition to any study routine rather than a separate pursuit.
Moving your body is one of the cheapest ways to help your brain learn, and it works through several separate routes. The catch is that routine exercise mostly maintains the brain; it does not rewire it. Movement works best as an addition to focused study, timed and chosen well, not as a replacement for it.
Computational neuroscientist Terry Sejnowski ties exercise to the brain's energy supply. Mitochondria, the cell's power plants, become fewer and less efficient with age, and he calls exercise "the best drug you could ever take." He runs intervals daily, about 10 seconds all-out followed by jogging, as brief, controlled stress. He says exercise increases the birth of new neurons in the hippocampus. He also gets his best ideas while walking or jogging without music or podcasts, and recommends thinking about a hard problem before sleep.
Andrew Huberman lays out two routes for memory. Cardiovascular exercise appears to support new neurons in the hippocampus, probably through better blood flow, though he notes real debate over how much this happens in adult humans. And bones release a hormone, osteocalcin, during exercise, especially load-bearing exercise, that travels to the hippocampus and supports its connections. He recommends at least 180 to 200 minutes a week of steady cardio. On timing, he suggests moderate exercise one to three hours before learning, and very intense, adrenaline-spiking exercise after a learning bout, since adrenaline released late in or right after learning helps stamp in memories.
Huberman also argues that novel balance challenges go further. Being off balance produces errors that prompt the brain to release dopamine, epinephrine and acetylcholine, the chemicals that open windows for change. That heightened state lasts, he estimates, at least an hour and can be used to learn unrelated things. The key is novelty: a skilled handstander gets essentially nothing from another half hour upside down.
Erich Jarvis, a neuroscientist who trained in ballet, found that speech circuits evolved out of movement circuits and sit beside them. He says dancing helps him think, and that "if you want to stay cognitively intact until your old age, you better be moving." He is clear this conviction comes from personal experience.
They differ on new neurons, which Sejnowski presents as a finding and Huberman treats cautiously. They also differ on routine exercise. Jarvis and Sejnowski treat regular movement as broadly good for thinking. Huberman agrees it maintains the brain but insists your usual workout will not change the nervous system, and that flow is not a learning state. The article reconciles these as supporting the hardware versus opening a window for change.
What to do with it: build a steady cardio base. Add load-bearing exercise. Try short, intense intervals. Do moderate exercise before study and hard efforts after. Before a study session, try a safe balance challenge you are bad at, such as beginner yoga or a new swim stroke, then use the following hour for focused work. Walk without audio when stuck.
Safety limits apply. Huberman warns against dangerous stunts and against inversions for people without the strength or bone density. If you have heart, bone or balance problems, check with a doctor or physical therapist before adding intense intervals, load-bearing work or balance challenges.