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(A) Scenario setup in the virtual environment, with the following 3 main features: (1) An empty floor, on which the player was positioned at the center of the scene; (2) A central fixation cross; and (3) Four presentation angles (−70°, −30°, 30°, and 70°) where the birds could appear in the bird search task. (B) Patients view when starting the task with the floor (1) and the central fixation cross (2).
