Psychtoolbox>Screen.{mex*} subfunction

Screen(‘SetMouseHelper’, windowPntrOrScreenNumber, x, y [, mouseIndex][, detachFromMouse]);

This is a helper function called by SetMouse. Do not call
Screen(‘SetMouseHelper’), use SetMouse instead.
Move the mouse pointer, also potentially detach it from the mouse on supported
systems, currently OSX.

###See also: