Witty User Manual - EN - v1.5 P. 100 / 171
4.4.6.4 HAWK EYE
Identify the symbol that is different from the others
The "Hawk Eye” Test (also called "Peripheral Vision” Test) challenges your visual
precision by asking you to locate specific symbols (birds) in your peripheral vision, even
when they appear on the semaphores for a very short time.
https://www.brainhq.com/why-brainhq/about-the-brainhq-
exercises/brainspeed/hawk-eye/
https://youtu.be/QaHkqb-HOdA
Speed and precision of vision
Greater than or equal to 4
Position the semaphores to form a circle (even 6 semaphores may suffice); it is not
necessary for them to be in alphabetical order. Each semaphore must be inside a
sector of approximately 45°