When I was first learning to ride motorcycles I came across "A Twist of the Wrist" by Keith Code, which uses a similar analogy for attention. In this analogy, you have $10 worth of attention to spend. Maybe as a novice rider you spend $5 just coordinating steering, clutch, gears and brakes to keep the bike upright. You then spend $3 on navigating, which leaves you with only $2 left to pay attention to the traffic aro…
During practice the drivers talk to their team over the radio about the car's setup. Most drivers would stop talking in the corners and come on the radio during the straights.
This driver would apparently just keep talking all the way around corners. Driving the car was basically automatic, leaving him free to focus on optimising the car.