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Escaping PTB, in the event of a crash

Should MATLAB become unresponsive whilst running full screen Psychophysics Toolbox experiments;

  • Press ALT-TAB to the MATLAB window (it won't be visible but it'll have focus)
  • Press CTRL+C, this bring the cursor to the MATLAB command line
  • Press Enter to clear anything possibly there
  • Type sca
    • shorthand for Screen('CloseAll')
  • Press Enter again

These steps should return the display to the MATLAB command window.

If these steps fail, consider the advice given at ...