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 ...

There are five lemons hidden in this illustration of chicks. But only 1 out of 100 visually sharp people have been able to ...

Little is known about a learning disorder that affects a child's ability to process visual and spatial sensory information. But non-verbal learning disorder may be more prevalent than most realize.

What Is Nonverbal Learning Disorder? Nonverbal learning disorder (NVLD), also called nonverbal learning disability (NLD), is a condition that makes it hard to process visual, spatial, and other types ...