Inhibition
Go/No-Go and Stop-Signal in one game
About this trainer
Inhibition is a go/no-go exercise. A stream of cues flashes up one at a time, and your job is to react fast to the "go" cues (usually by tapping) while holding back completely on the "no-go" cues. Because most cues are "go", tapping becomes a reflex, and the challenge is catching yourself before you tap on the rare "no-go".
What it develops
It trains response inhibition, the part of executive control that lets you stop an action already on its way. It also leans on sustained attention, since one lapse and your finger fires on its own.
History
The go/no-go arrangement grows out of nineteenth-century reaction-time research and became a workhorse of clinical neuropsychology in the twentieth, where failures to withhold a response were tied to frontal-lobe function. From there it spread into cognitive psychology, child development and, more recently, app-based brain training and habit-change studies for food and alcohol.
Who created it — and when
There is no single inventor. The go/no-go method descends from the reaction-time tradition usually traced to Franciscus Donders (1868), and it was shaped over the twentieth century by neuropsychologists studying impulse control and the frontal lobes rather than by one named author.
How to train
Keep your finger relaxed and ready rather than tensed to slam down, since the whole point is being able to abort. Resist the urge to chase speed at all costs, because the errors that matter here are tapping on a no-go, not being a fraction slower. As you improve, raise the pace or lower the share of no-go cues so stopping stays genuinely hard.
How long to practise
Short and frequent beats long and rare. Five to ten minutes a session, a few times a week, is plenty, and a single block should stay brief enough that your attention does not sag, because tired attention is what makes the no-go slip past.
Evidence base
Evidence is solid for the obvious thing: practise and you get better at this kind of stopping task and make fewer false taps. Claims that it broadly lifts everyday self-control, curbs impulsivity in general, or sharpens unrelated thinking are far weaker. A well-known training study by Enge and colleagues (2014) found no genuine transfer beyond the trained tasks, and a 2024 study in children reported that targeted response-inhibition training did little to change their brains or behaviour. Food-specific versions can nudge down intake of the trained foods and help short-term, but lasting, general effects are not established, so treat the big promises with caution.
Recommendations
Chase clean stops, not raw speed. A near-perfect run with zero false taps beats a fast run littered with them.
FAQ
Is it bad to occasionally tap on a no-go?
An occasional slip is normal and even expected, because the design makes tapping habitual. What matters is the trend: fewer false taps over sessions means your stopping is getting sharper.
Will this make me less impulsive in real life?
Honestly, probably not in a broad way. You will reliably get better at the task itself, but strong evidence that go/no-go practice transfers to everyday self-control or general impulsivity is lacking.
Should I focus on going faster or on not making mistakes?
On not making mistakes. Speed comes on its own with practice, while the skill this exercise actually trains is the clean withholding of a response on no-go cues.
Variants
The close cousin is the stop-signal task, where you have already started responding and a signal tells you to abort mid-action, which probes a slightly different braking mechanism. Other variants swap neutral cues for emotional faces or for tempting items like high-calorie food or alcohol, and many add difficulty by speeding the cues up or making the rare no-go even rarer.