The focus concentration test flashes shapes on screen. Click the orange circle immediately when it appears. Ignore other shapes. 60-second test — measures reaction time, accuracy, and false alarms.
Click the orange circle only. Ignore squares, triangles, and other colors.
Click the orange circle only
Understanding Focus and Attention
Focused attention is the ability to concentrate on a specific stimulus while filtering out distractions. This test specifically measures selective attention — a core component of executive function that's critical for learning, driving, and most complex tasks.
What affects your score
Time of day matters — most people peak cognitively in the late morning. Fatigue, stress, and hunger all reduce reaction speed and increase error rates. Caffeine typically reduces reaction time by 10-15%. A single night of poor sleep can increase reaction time by 40-50ms and significantly increase false alarm rates.
Frequently Asked Questions
Is this focus test free?
Yes, completely free with no signup required.
What does this test measure?
The test measures selective attention — your ability to respond to target stimuli while ignoring distractors. It tracks: hit rate (how often you click when you should), false alarm rate (how often you click when you shouldn't), and average reaction time. Together these indicate both speed and accuracy of focused attention.
What is a good reaction time for this test?
Average adult reaction time to a visual stimulus is 200-300 milliseconds. Under 200ms is fast. Over 400ms suggests distraction or fatigue. False alarm rates below 10% are good. Accuracy (hit rate) above 85% is solid. Morning performance is typically better than afternoon for most people.
What factors affect focus and concentration?
Sleep quality (even mild sleep deprivation significantly impairs attention). Caffeine can improve focus for 2-4 hours. Physical exercise improves concentration for hours after. Stress and anxiety impair working memory and attention. Screen time and social media use train the brain to expect frequent stimulation, reducing sustained attention capacity.
How can I improve my concentration?
Evidence-based methods: meditation (even 10 min/day shows results in weeks). Pomodoro technique (25 min focused work, 5 min break). Remove distractions at source (phone in another room, not just silenced). Regular aerobic exercise. Sufficient sleep (7-9 hours). Single-tasking rather than multitasking. Extended reading of long-form text also trains sustained attention.