The Naglieri Nonverbal Ability Test (NNAT) is a nonverbal assessment designed to measure general reasoning ability in K-12 students, helping schools identify students with strong problem-solving ...

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 ...

Nonverbal learning disability (NVLD), a poorly understood and often-overlooked disorder that causes problems with visual-spatial processing, may affect nearly 3 million children in the United States, ...

Optical illusions are great at testing your visual perception and seeing how your brain interprets visual context, subtle differences, and visual-spatial relationships between objects. These illusion ...

The evidence is solid but not definitive, as the conclusions rely on the absence of changes in spatial breadth and would benefit from clearer statistical justification and a more cautious ...