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 ...

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 ...

There is one pumpkin in this crowd of carved pumpkins that has no nose! Most people failed to find the pumpkin with no nose. If you are super observant and attentive, break the record.

Recently, a research team from Peking University and Tsinghua University released their latest research results on arXiv - ...

Perimetry (visual field testing) quantifies a patient’s retinal sensitivity to light and clarifies a deviation from normal ...

A recent report has described the effects of binocular occlusion in a patient with spatial neglect and severe posture impairment. A recent report by Kessler researchers and clinicians described the ...