Perception Lab · Unit 04
Quick Assessment
Cognitive Age Index
Three standard paradigms — visual search, simple reaction time, and subitizing — used to estimate effective cognitive age. About 20 seconds. Tap to begin.
Trial 1 · Visual Search
Tap the circle that's a different shade.
Trial 2 · Simple Reaction Time
Tap the circle the instant it turns teal.
Wait for it…
Trial 3 · Subitizing
How many dots pulse before they vanish?
Analysing
Final Stimulus
What do you see?
