How fast does the eye send messages to the brain and the brain send messages to your hand muscles to react in time to catch a falling object? ScienceU campers find out using the "ruler test".

Humans Holiday brain-off round 2: Test your reaction time Who in your family has the sharpest reflexes? To find out, all you need is a ruler and this table of numbers By Caroline Williams 14 ...

A fiendishly difficult reaction time test has been developed, which claims to reveal exactly how old your reactions are.

Hillarys has developed the reaction time test, which reveals whether you’re as alert as an athlete, a well-rested person, a drunk person or an elderly person ...

The test is based on reaction times of 2,000 people ages 18 and over. The Reaction Time Test plotted their reaction times by age; it matches your reaction time to those averages.

A multitude of studies have shown how, as we age, our brain reaction time begins to slow down. In 2014, researchers at Simon Fraser University in Canada analysed 3,305 people aged 16-44 by testing ...