Neurocognitive Response Inhibition & Motor Suppression Standards
The Go/No-Go test measures how well you can hold back a response. Tap the green Go targets as fast as you can and do not tap the red No-Go targets. Each tap on a red target is a false alarm, so your score reflects both speed and impulse control. Press start to begin a 45-second session.
Response inhibition represents the cornerstone executive faculty that allows humans to actively cancel, delay, or withhold actions that are no longer appropriate or advantageous. In tactical combat sports, competitive gaming, high-speed driving, and everyday decision-making, the ability to rapidly suppress a prepotent, reflexive motor action is often far more critical than raw movement velocity.
The Go/No-Go paradigm traces its psychophysical origins to Franciscus Cornelis Donders (1868), who introduced the seminal 'C-reaction' subtraction method in mental chronometry. Donders demonstrated that presenting two distinct stimuli while instructing participants to respond to only one requires an additional layer of cognitive discrimination and selective motor withholding compared to simple reaction time.
In 1984, Gordon D. Logan and colleagues formulated the 'Horse-Race Model' of response inhibition, demonstrating that behavioral restraint reflects an active computational contest between a sensory Go process and an inhibitory Stop process. Contemporary functional neuroimaging (Aron et al., 2014) confirms that this inhibitory brake is executed via a dedicated hyperdirect pathway connecting the right inferior frontal cortex (rIFC), presupplementary motor area, and subthalamic nucleus (STN).
Timing & Measurement Methodology: All stimulus presentations and motor click events are captured client-side using the high-resolution performance.now() API. Hardware latency adds display frame quantization (~16.7 ms at 60 Hz, ~6.9 ms at 144 Hz, ~4.1 ms at 240 Hz) and input polling intervals (~8 ms at 125 Hz vs ~1 ms at 1,000 Hz), as documented by Woods et al. (2015). All scores and error tracking remain stored in your local browser storage.
| Performance Band | Commission Error Rate (CER) | Score & Combo Threshold | Neuromuscular & Executive Profile |
|---|
| Tier 1: Apex Executive Braking | < 2.0% CER | Score: 16,000+ | Combo 30x+ | Fewest false alarms in this drill's bands. A practice target, not a clinical measure. |
| Tier 2: Superior Response Inhibition | 2.0% – 4.9% CER | Score: 11,000 – 15,999 | Combo 20x+ | High-tier trigger discipline; rapid recovery from chromatic switches with minimal anticipation drift. |
| Tier 3: Solid Baseline Inhibition | 5.0% – 9.9% CER | Score: 6,500 – 10,999 | Combo 12x+ | Healthy adult baseline; reliable Go target execution with occasional false alarm slips under high-frequency pacing. |
| Tier 4: Moderate Impulsivity | 10.0% – 18.0% CER | Score: 3,000 – 6,499 | Combo 6x+ | Elevated prepotent motor priming; tendency to initiate finger flexion on visual onset before color identity verification. |
| Tier 5: High Prepotent Priming | > 18.0% CER | Score: < 3,000 | Combo < 6x | Substantial behavioral impulsivity; inability to arrest ballistic motor releases when red No-Go triggers flash. |
These tiers represent an editorial reference benchmark grounded in classical mental chronometry and response inhibition literature (Donders, 1868; Logan et al., 1984; Robertson et al., 1997; Aron et al., 2014). Individual scores fluctuate with circadian arousal, stimulant intake, ocular fatigue, and hardware input polling.
- 1Click Start Drill to initialize the 45-second Go/No-Go session.
- 2Fixate your eyes on the center target reticle where stimulus disks appear.
- 3Click or tap instantly when the emerald green GO stimulus appears to score points and extend the clock.
- 4Withhold your click and remain stationary when the crimson red NO-GO stimulus appears to bank restraint points.
- 5Review your final accuracy, commission errors, peak combo, and performance grade upon round completion.
Who it is for. Tactical FPS gamers (Valorant, CS2, Siege) refining trigger discipline, high-speed drivers, competitive athletes, martial artists, and individuals seeking executive function and impulse control training.