CLEEVER Brain
from DURAHUMAN
SART-XL Endurance
SART-XL Attention Sustainer
Advanced sustained attention training with rare No-Go trials
How to Play
1. Numbers 1-9 will appear rapidly on screen
2. Press
SPACE
for ALL numbers EXCEPT 3
3.
DO NOT press anything when you see 3
4. Stay alert for 200 trials - attention lapses will be tracked
5. Speed increases gradually to test sustained attention
Go Stimuli (Press SPACE)
1
2
4
5
6
7
8
9
No-Go Stimulus (Don't Press!)
3
This trains:
• Sustained selective attention
• Inhibitory control endurance
• Attention stability over time
• Vigilance and alertness
Key metrics:
• Attention lapses (missed responses)
• False alarms (responding to 3)
• Reaction time variability
• Attention drift over time
Start Endurance Test