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date: 11 May 2021

Abstract and Keywords

The generation of a saccade may be considered the outcome of some decision-making process. Functional models of saccadic decision-making are based on the accumulation of sensory evidence in favour of various alternative movement programmes in a race to a decision threshold. The outcome of this race is affected by a number of decision-related variables such as the quality of sensory evidence, the prior probability of alternative movements, and the reward associated with the different movements. I review a selection of behavioural and neurophysiological studies on the influence of these variables on saccadic decisions, and relate these variables to the distinct mechanisms posited by models of decision-making.

Keywords: saccadic decision-making, functional models, neurophysiological studies, sensory evidence, prior probability

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