At the end of the
test, You will see a
score on the right called Average
showing your average
time in milliseconds. The lower
number is, the better, like a golf score. Practice to see if you can
improve A millisecond is 1/1000th of a second. In several
studies, scientists have associated better than average reaction times
to longevity. This exercise also measures your ability to choose correctly.
The Green check marks
indicate when you answered correctly. The
red-slashed circles indicate an incorrect guess on the origin of the
light. Practice to improve your ability to detect light and motion at
the edge of your vision, improving your attentiveness. Of interest to people concerned
with maintaining their brain.