Trial Command

Any trial commands that present pictures.

 Example for adding a picture to the current screen image

TRIAL Trl
CS 1000          ; Clear screen and wait for 1000 ms
RK ResKeys 1000          ; Record Keys for max. 1000 ms
SP ? MidPos 1 0 1          ; Show variable stimulus
          ; until response or MaxRt
+SP Feedback FBPos ? 500          ; Add response independent feedback
          ; on a variable screen location