[run4yourlives]

I was just thinking the same thing... the 20ms difference only matters if the start time of the action is less than 20ms before the start time of the reaction.

Just because you can do something faster, it doesn't always mean you finish faster.

[electromagnetic]

Aiming isn't taken into consideration with a button press, so I wouldn't exactly call this study accurate. Bohr did a more scientifically valid test without anything more than a pair of pop guns.