Is Juggling a Brain Body Exercise?
Juggling stimulates the intraparietal sulcus, which directs hand-eye coordination. Oxford University researchers taught 24 individuals to juggle and found that after six weeks of training, higher density of white matter (the fibers that let neurons communicate with one another) were found. Any novel activity that is attentively practiced will likely have this effect, according to Heidi Johansen-Berg.
Gray Matter Density