“In computer terms, the cerebral cortex writes the software programs for actions and, after some practice on your part, the basal ganglia take over to run the programs that enable you to carry out the actions. When you learn the tango, for instance, you have to concentrate (i.e., use the cerebral cortex) to plan, learn, and get comfortable with the steps. But after some practice and experience, you’re eventually able to tango while thinking of other things because the basal ganglia are operating that system automatically. Toward”