Motion Perception and Signal Detection Theory

Signal motion direction: Rightward (0° →) • Fixate on the central red cross

Number of dots 300

Coherence (%) 15%

Radius of dots (pix) 3

Speed of dots (pix/sec) 120

Lifetime of dots (ms) 100 ms

Your decision:

Stimulus ready. Observe the pattern, then decide: "Noise" or "Signal →".

Trials: 0 Hits: 0 Misses: 0 False Alarms: 0 Correct Rejections: 0 Accuracy: -- z_hits: -- z_fa: -- d': -- c: --