Friday, 10 February 2017
You Don’t Catch a Ball by Calculating Its Trajectory, You Catch It by Moving
Today I’d like to talk about a problem that is a classic both for baseball players and for cognitive scientists. And the way that baseball players solve it has helped cognitive scientists to better understand the important role that the body plays in cognition.
The problem is as follows: how does a baseball player go about catching a baseball that has been hit high into the air, especially when the player is in centre field and the ball is following a long, parabolic trajectory that would otherwise cause it to land several metres from where the player is standing? How does the player go about calculating this trajectory and moving, in just a few seconds, to the right place to catch the ball? This is what has long been known in English as “the outfielder problem.” (If you’re more of a soccer fan, imagine a backfielder successfully heading a long throw-in by the goalkeeper.) (more…)
Body Movement and the Brain | No comments