3. Attention (visiting lecture by Prof. Cavanagh) a. Prof. Cavanagh showed a demo of "Is red adjacent to left or right tilt?" in the visiting lecture. What does this demo tell us? Describe the feature(s) involved and compare it (them) the one(s) involved in multi- object/task (no sketches required). b. What types of game training might be associated with surgeons' performance and why (no sketches required)?