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01-11-2006 | Research Article

Fixation offset and stop signal intensity effects on saccadic countermanding: a crossmodal investigation

Authors: Sharon Morein-Zamir, Alan Kingstone

Published in: Experimental Brain Research | Issue 3/2006

Abstract

Two experiments utilized the stop signal paradigm to examine whether fixation offset and stop signal intensity influenced saccadic inhibition. There was a robust fixation offset effect on saccadic latencies. However, contrary to expectations, fixation offset did not influence saccadic inhibition latencies. Importantly, saccadic inhibition latencies were found to be influenced by stop signal salience, with a more intense signal leading to faster stopping. This pattern of results was observed whether the stop signal was presented in the visual or auditory modality. The results provide new insights into the mechanisms of inhibition and help resolve previous inconsistencies in the literature.

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Title: Fixation offset and stop signal intensity effects on saccadic countermanding: a crossmodal investigation
Authors: Sharon Morein-Zamir
Alan Kingstone
Publication date: 01-11-2006
Publisher: Springer-Verlag
Published in: Experimental Brain Research / Issue 3/2006
Print ISSN: 0014-4819
Electronic ISSN: 1432-1106
DOI: https://doi.org/10.1007/s00221-006-0564-x

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Fixation offset and stop signal intensity effects on saccadic countermanding: a crossmodal investigation

Abstract

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