Saccadic decision-making

Casimir J.H. Ludwig

in The Oxford Handbook of Eye Movements

Published in print August 2011 | ISBN: 9780199539789
Published online November 2012 | | DOI:

Series: Oxford Library of Psychology

 Saccadic decision-making

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  • Psychology
  • Cognitive Psychology
  • Cognitive Neuroscience


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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

Article.  7897 words. 

Subjects: Psychology ; Cognitive Psychology ; Cognitive Neuroscience

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