1. Rotation of spatial graph: The subject needs to restore the original shape by rotating or adjusting a spatial graph to evaluate the subject's spatial recognition and understanding ability.

2. Stereo vision: It mainly produces depth information by comparing the differences between the images of objects seen by the left and right eyes, so that the subject can have a sense of reality and can recognize different distances, sizes and shapes.

3. Spatial memory: Participants need to remember a series of spatial information (such as location, direction, etc.). ) and presented again after a period of time to evaluate the spatial memory ability of the subjects.