Figure 7
From: Improvement in reading performance through training with simulated thalamic visual prostheses
Apparatus. The apparatus consisted of two personal computers, one running the EyeLink gaze tracking software, and one running the AVR4 behavioral control software. Stimuli were displayed to the subject on an LCD monitor (Dell E2013H, 1600 × 900 pixels, 60 Hz, 51.0 cm by 28.7 cm) that was arranged to be 60 cm away from the subject’s eyes. The gaze tracker was operated in so-called remote mode that used a small bull’s-eye sticker on the subject’s forehead to allow for accurate head-free tracking. Experimental control was provided by the AVR4 custom software. Once gaze tracking calibration was successfully completed, the experiment was largely automatic, allowing the experimenter to concentrate on marking the words correctly read, missed, or skipped for each sentence on a daily score sheet.
