Optical illusion puzzles test your brain's ability to recognise patterns quickly and efficiently. Solving visual illusions to find the hidden numbers can reveal your visual acuity, attention to detail ...

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 ...

Neuroscientists have been trying to understand how the brain processes visual information for over a century. The development of computational models inspired by the brain's layered organization, also ...