Most people use the terms “optical illusion” and “visual illusion” interchangeably, much like “fluid” and “liquid” or “sofa” and “couch” are synonyms. At first glance, this might be seemingly pedantic ...

Medical imaging experts are adept at solving common optical illusions, according to new research. The research is the first to show that people can be trained to do better at solving visual illusions, ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images ...

How optical illusions work has been long-debated among scientists and philosophers, who wonder whether these illusions stem from neural processing in the eye or involve higher-level cognitive ...

Optical illusions are not merely tricks or viral brain teasers, they reveal the curious disconnect between what we see and what our brain interprets. A flat drawing might come across as ...

The human mind is one of the most magnificent creations ever made. It performs magical feats and is a complex "machine" that scientists and psychologists are constantly trying to figure out. When it ...

There are lots of visual illusions: an old woman who turns into a young girl, a drawing that’s either a duck or a rabbit depending on how you look at it, and, need I mention the blue and black, or ...

Optical illusions are designed to trick your eyes and mind. Most average minds are not able to see through the deception. Here is an optical illusion that has a frog concealed in plain sight. Can you ...

In this Ebbinghaus illusion of relative size perception, the orange circle on the left looks bigger than the one on the right - but it is actually 10 per cent smaller. In a new study, medical imaging ...