One set of neurological patterns—her old habits—had been overridden by new patterns. They could still see the neural activity of her old behaviors, but those impulses were crowded out by new urges.
By focusing on one pattern—what is known as a “keystone habit”—Lisa had taught herself how to reprogram the other routines in her life, as well.
“All our life, so far as it has definite form, is but a mass of habits,” William James wrote in 1892.
Most of the choices we make each day may feel like the products of well-considered decision making, but they’re not.