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 ...

Children with slow processing speed often struggle to keep up with their peers in school. Teachers are often overwhelmed and frustrated by these students, as not all kids with slow processing speed ...