Visual Perception Study

~3-4 Min Duration

Task Instructions

4 digits appear for 1 second each, followed by a blurred 5th digit for 1 second. Enter your perceived digit (0-9) and your confidence level (1-5). Focus carefully on identifying the 5th digit.

Stimulus 1-4

1000ms Sequenced Digits

Fixed rapid foveal presentation

Stimulus 5 (Target)

1000ms Blurred Target

Calibrated 8px optical blur

Response & Rating

Digit (0-9) + Conf (1-5)

Self-paced reaction measurement

20 Trials • Deterministic timing calibration • Completely anonymous session