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Effects of warning signals and fixation point offsets on the latencies of pro- versus antisaccades: implications for an interpretation of the gap effect

dc.contributor.authorHughes, H. C.en_US
dc.contributor.authorOonk, H. M.en_US
dc.contributor.authorBarnes, L. L.en_US
dc.contributor.authorReuter-Lorenz, Patricia A.en_US
dc.date.accessioned2006-09-11T17:53:45Z
dc.date.available2006-09-11T17:53:45Z
dc.date.issued1995-03en_US
dc.identifier.citationReuter-Lorenz, P. A.; Oonk, H. M.; Barnes, L. L.; Hughes, H. C.; (1995). "Effects of warning signals and fixation point offsets on the latencies of pro- versus antisaccades: implications for an interpretation of the gap effect." Experimental Brain Research 103(2): 287-293. <http://hdl.handle.net/2027.42/46531>en_US
dc.identifier.issn0014-4819en_US
dc.identifier.issn1432-1106en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/46531
dc.identifier.urihttp://www.ncbi.nlm.nih.gov/sites/entrez?cmd=retrieve&db=pubmed&list_uids=7789436&dopt=citationen_US
dc.description.abstractThe present study was designed to evaluate whether fixation point offsets have the same effects on the average latencies of prosaccades (responses towards target) and antisaccades (responses away from target). Gap and overlap conditions were run with and without an acoustic warning signal. The ‘gap effect’ was taken to be the difference in mean reaction time between gap and overlap trials. This effect was dramatically reduced by the presentation of the warning signal. Without this signal, fixation offsets can serve as warning signals themselves, which artifactually inflates the magnitude of the gap effect. The warning effect of fixation offsets was equivalent for pro and antisaccades. A significant gap effect is still evident with the acoustic warning signal; however, in this case it is associated primarily with prosaccades. These results replicate and extend our previous work demonstrating that, if their warning effects are controlled, the facilitatory effects of fixation point offsets are response dependent, and suggesting the existence of a component process (fixation release) which is closely linked with the processing architecture underlying target-directed saccades.en_US
dc.format.extent806224 bytes
dc.format.extent3115 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.language.isoen_US
dc.publisherSpringer-Verlagen_US
dc.subject.otherHumanen_US
dc.subject.otherNeurologyen_US
dc.subject.otherExpress Saccadesen_US
dc.subject.otherBiomedicineen_US
dc.subject.otherNeurosciencesen_US
dc.subject.otherGap Effecten_US
dc.subject.otherOculomotoren_US
dc.titleEffects of warning signals and fixation point offsets on the latencies of pro- versus antisaccades: implications for an interpretation of the gap effecten_US
dc.typeArticleen_US
dc.subject.hlbsecondlevelPublic Healthen_US
dc.subject.hlbsecondlevelPsychologyen_US
dc.subject.hlbsecondlevelNeurosciencesen_US
dc.subject.hlbsecondlevelMolecular, Cellular and Developmental Biologyen_US
dc.subject.hlbtoplevelSocial Sciencesen_US
dc.subject.hlbtoplevelScienceen_US
dc.subject.hlbtoplevelHealth Sciencesen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumDepartment of Psychology, University of Michigan, 525 East University, 48109-1109, Ann Arbor, MI, USAen_US
dc.contributor.affiliationumDepartment of Psychology, University of Michigan, 525 East University, 48109-1109, Ann Arbor, MI, USAen_US
dc.contributor.affiliationotherDepartment of Psychology, Dartmouth College, 03755, Hanover, NH, USAen_US
dc.contributor.affiliationotherDepartment of Psychology, University of Washington, 63130, St. Louis, MO, USAen_US
dc.contributor.affiliationumcampusAnn Arboren_US
dc.identifier.pmid7789436en_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/46531/1/221_2004_Article_BF00231715.pdfen_US
dc.identifier.doihttp://dx.doi.org/10.1007/BF00231715en_US
dc.identifier.sourceExperimental Brain Researchen_US
dc.owningcollnameInterdisciplinary and Peer-Reviewed


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