Lewis L. Chen, Leroy Y. Hung, Julie Quinet and Kevin Kosek Cognitive regulation of saccadic velocity by reward prospect European Journal of Neuroscience 38
This study showed that, without reward prospect, saccadic peak velocity decreased linearly as initial eye position deviated in the direction of the saccade. However, with reward prospect, the slope (rate) and the intercept (magnitude) of the velocity bias was reduced and increased, respectively, with amplitude. The findings suggest that reward modulation was not an additive signal, but as a facilitating mechanism that interacted with the biomechanical regulation.
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