Rule 1
Circle appears
Press F
Shape Reflex / Attention Test
Identify the shape instantly. Press F for a circle and J for a square. This drill measures attention stability and response speed.
Shape Discrimination
Reflex Accuracy
Selective Response
Speed Under Pressure
Test Rules
Respond only to the shape shown on screen.
Rule 2
Square appears
Press J
Total Rounds
28
Estimated Duration
01:15
Scoring Method
Accuracy + Speed
Keyboard only on desktop. On mobile, tap the F and J buttons.
Only the first response per shape is counted.
3
Ready. Focus. Respond instantly.
Awaiting stimulus...
Circle = F. Square = J.
Performance Summary
Sharp recognition and stable responses.
Final Score
0
Accuracy
0%
Average Reaction
0 ms
Correct
0
Wrong
0
Missed
0
Fastest
0 ms
Slowest
0 ms
Attention Index
0
Maintain this accuracy level under pressure to achieve operational readiness.
Focus interruptions: 0