This optical illusion shows a noisy, grainy pattern that looks like pure visual chaos at first glance. Hidden in this picture ...

Critical flicker fusion (CFF), a measure of visual processing speed, predicts executive function in younger and older adults and may be helpful in predicting decline in executive function, say ...

Optical illusions are a treat for visually genius minds. These visual illusions are excellent at assessing and examining the workings of the human brain. Researchers around the world incorporate ...