At the casual level, it's likely that you will never reach a plateau where this study has a measurable effect on your game. A casual gamer will never practice e

At the casual level, it's likely that you will never reach a plateau where this study has a measurable effect on your game. A casual gamer will never practice enough such that the rate of cognitive decline couldn't be counter-acted by practice. You can reach the top quartile of Starcraft 2 players through practice, overall strategy, and learning the current meta-game and tactics. Your twitch muscles only become differentiators at a much higher level than 99% of people will achieve.