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 ...

Glaucoma patients show slower visual response times, indicating impaired visual signal processing rather than motor or attention deficits. The study involved glaucoma patients and healthy controls, ...

If you try to save a file while your laptop lags, it won’t save. Similarly, when our brains have delayed processing speeds, they "lag" and impair our ability to receive information and store a memory.

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