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 ...

Researchers at Loughborough University have found that reduced visual processing speed can flag dementia risk as many as 12 years before a clinical diagnosis, based on a large prospective study of ...

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 memory.

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, ...