Psychology research task
Psychomotor Vigilance Task
simple visual reaction task with long unpredictable foreperiods and explicit anticipation/lapse classification.
Construct
sustained attention and vigilant response speed
Response format
keyboard, pointer
Version
2026-07-14
Research-use note
This shortened browser PVT is a research proxy, not the validated 10-minute laboratory protocol or a clinical fatigue assessment. Browser scheduling, display refresh, device latency, interruptions, and task duration affect lapse and reaction-time estimates.
This resource is not a clinical diagnosis, treatment, professional assessment, or crisis service. Researchers remain responsible for ethics approval, lawful processing, suitability, deployment, and interpretation.