Does the noise matter? Effects of different kinematogram types on smooth pursuit eye movements and perception

摘要: We investigated how the human visual system and pursuit react to motion noise. presented three different types of random-dot kinematograms at five coherence levels. For transparent motion, signal noise labels on each dot were preserved throughout trial, dots moved with same speed as but in fixed random directions. white every 20 ms randomly assigned appeared positions. Brownian also assigned, a direction that varied from moment moment. Neither latency nor early eye acceleration differed among kinematograms. Late acceleration, gain, perceived all depended kinematogram type, good agreement between gain speed. independent level. motions, increased higher for than motion. This suggests under our conditions, integrates across directions not speeds.