Eye movements were recorded using an SR Research EyeLink 1000 Plus eye tracker (sampling rate = 1000 Hz). EyeLink default settings for cognitive research were used in the data acquisition (saccade velocity threshold: 30°/sec; saccade acceleration threshold: 8000°/sec2; saccade motion threshold: 0.1°)27 (link),28 . All stimuli were presented at a distance of 65 cm from the participants on a 21-inch CRT monitor (SONY MuLtiscanG520) with a resolution of 1024 × 768 pixels and refresh rate of 140 Hz. Each sentence was displayed in Microsoft Himalaya 32 fonts on a white background. Each Tibetan letter was horizontally occupied by 15 pixels and subtended approximately 0.6° of visual angle.
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