Why does slowing down work so well? The myelin model offers two reasons. First, going slow allows you to attend more closely to errors, creating a higher degree of precision with each firing—and when it comes to growing myelin, precision is everything. As football coach Tom Martinez likes to say, “It’s not how fast you can do it. It’s how slow you can do it correctly.” Second, going slow helps the practicer to develop something even more important: a working perception of the skill’s internal blueprints—the shape and rhythm of the interlocking skill circuits.
