Although humans' visual perception of the world appears complete, our eyes contain a visual blind spot where the optic nerve connects to the retina. Scientists are still uncertain whether the brain ...
Test your visual-spatial ability. Spatial IQ allows you to imagine, manipulate, and navigate objects in your mind. Individuals with a high spatial IQ are able to create and navigate detailed mental ...
Can you do 3D puzzles...without using your hands? Our visual-spatial intelligence test assesses your ability to mentally manipulate 3D objects, a skill that has practical significance in everyday life ...
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