communicates with a computer via the USB bus. It can be used with
Matlab and the Psychtoolbox on Macintosh. I have attached a simple
demo to this message.
The PowerMate might be useful as an alternative to collecting subject
input with the keyboard or mouse.
For more info, see:
http://www.griffintechnology.com/audio/pwrmate.html
Allen
PS. Griffin also supplies drivers for Windows, but they are still
working out the bugs.