Cognitive tests, typing speed, and human performance.
Measure your brain's processing speed with this interactive reaction test.
Repeat the pattern as it gets longer. How far can you go?
How quickly can you hit all the targets?
Remember the longest number you can.
Keep as many words in short term memory as possible.
Are you smarter than a chimpanzee?
Remember an increasingly large board of squares.
How many words per minute can you type?