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, ...

Slow processing speed can manifest in various ways, including fine motor speed, where kids show a weakness in copying tasks, tasks that require replicating information or rewriting words or numbers, ...