And it’s thought by many neuroscientists such as Rodolfo Llinas of New York University that such goal-directed active movement, a biological property known as “motricity,” is a requirement for the development of the nervous system

And it’s thought by many neuroscientists such as Rodolfo Llinas of New York University that such goal-directed active movement, a biological property known as “motricity,” is a requirement for the development of the nervous system. (Karen Shanor, Bats Sing, Mice Giggle: The Surprising Science of Animals’ Inner Lives)