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 ...

Shake your head and tell what do you see hidden in this optical illusion image. There is an animal obscured by these moving ...

After finishing this test you will receive a FREE snapshot report with a summary evaluation and graph. You will then have the option to purchase the full results for $6.95 This test is intended for ...

Optical illusions have intrigued humanity for centuries. Also known as visual illusions, these visual images challenge your perception and understanding of visual stimuli. Let us briefly understand ...

Figure 1: Identical visual stimuli in different spatial locations can elicit different responses in V1 and similar responses in CA1. Figure 2: V1 neurons develop predictive responses to approaching ...

A powerful new tool for the study of spatial memory offers a significant improvement over the current gold standard, the Morris Water Maze. The novel Honeycomb Maze design allows for systematic ...