Home Brain Training Products Science & Research The Human Brain Games & Teasers Test Your Brain Support

Need Brain Training?

Our Brain Fitness Questionnaire will help you find your match.

Others Found

Look at this geometric shape. Which of the blue lines is longer, the one on the right, or the one

Although there have been numerous small studies investigating the effects of Ginkgo Biloba on memory, they have generally have been

preview

New Tricks for Your ...

The results of the 7th Annual Best Illusion of the Year are in! The winner: “Silencing awareness of change by

preview

Missing Letters

Count the "f"s in this passage

How many did you count?
There are actually 6 “f”s, but most people only count 3. Why? It seems that the brain has trouble correctly processing the word of. The letter “f” usually makes the /f/ sound, like in fox. In the word of, though, it makes the /v/ sound. As a result, the brain overlooks the word of as it scans for the sound of /f/.