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 ...

One of the telltale signs of dementia is forgetfulness, but symptoms can appear more than a decade before an official diagnosis. Researchers aiming to detect early signs of cognitive decline before it ...

The eyes might truly be windows to the brain’s health, according to fascinating new research published in Scientific Reports. Scientists have discovered that simple vision sensitivity tests could ...

IQ tests and puzzles like this challenge your pattern recognition skills, visual processing speed, and working memory—all key ...