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 ...

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 ...

Medical experts from around the world have agreed to a set of new benchmark tests to help diagnose a condition known as "visual spatial neglect". The condition, common in stroke or head injury victims ...