Fig. 5.

Stimuli for stereo training and stereo testing (PDT). (A) Stimuli with sharp edges at a lower spatial frequency. (B) Stimuli with Gaussian envelopes at a higher spatial frequency. In a training session, the sine-wave gratings were in phase, and the top and bottom patches were aligned vertically (see Fig. 1B). In a session for PDT, the position of sine-wave gratings was jittered from trial to trial.