Effects of preparation time and trial type probability on performance of anti- and pro-saccades

Acta Psychologica
Jordan E Pierce, Jennifer E McDowell

Abstract

Cognitive control optimizes responses to relevant task conditions by balancing bottom-up stimulus processing with top-down goal pursuit. It can be investigated using the ocular motor system by contrasting basic prosaccades (look toward a stimulus) with complex antisaccades (look away from a stimulus). Furthermore, the amount of time allotted between trials, the need to switch task sets, and the time allowed to prepare for an upcoming saccade all impact performance. In this study the relative probabilities of anti- and pro-saccades were manipulated across five blocks of interleaved trials, while the inter-trial interval and trial type cue duration were varied across subjects. Results indicated that inter-trial interval had no significant effect on error rates or reaction times (RTs), while a shorter trial type cue led to more antisaccade errors and faster overall RTs. Responses following a shorter cue duration also showed a stronger effect of trial type probability, with more antisaccade errors in blocks with a low antisaccade probability and slower RTs for each saccade task when its trial type was unlikely. A longer cue duration yielded fewer errors and slower RTs, with a larger switch cost for errors compared to a short cue du...Continue Reading

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Citations

Sep 28, 2016·Journal of Cognitive Neuroscience·Jordan E Pierce, Jennifer E McDowell
Apr 4, 2017·Brain and Cognition·Jordan E Pierce, Jennifer E McDowell
Aug 1, 2018·Experimental Brain Research·Paul C KnoxFelicity D A Wolohan
Aug 16, 2018·Journal of Neurophysiology·Eduardo A AponteJakob Heinzle
Aug 3, 2017·PLoS Computational Biology·Eduardo A AponteJakob Heinzle

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