?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Stimulus+predictability+and+the+gap+effect+on+pre-saccadic+smooth+pursuit&rft.creator=Knox%2C+Paul+C.&rft.subject=Behavioral+Neuroscience&rft.description=There+is+disagreement+in+the+literature+as+to+whether+smooth+pursuit+latency+is+reduced+when+a+temporal+gap+is+introduced+between+the+extinction+of+a+central+fixation+target+and+the+illumination+of+an+eccentric+moving+target.+This+study+confirms+that+in+human+subjectssmooth+pursuit+latency+is+reduced+by+gaps+and+that+the+magnitude+of+the+reduction+is+related+to+the+duration+of+the+gap.+However%2C+latency+is+not+solely+determined+either+by+visual+factors+or+by+task+parameters+such+as+spatial+predictability%2C+but+is+affected+by+task+context.+The+results+suggest+a+role+for+non-visual+factors+such+as+attention+in+the+initiation+of+pursuit.&rft.date=1998&rft.type=Preprint&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F14%2F1%2Fknox98.html&rft.identifier=++Knox%2C+Paul+C.++(1998)+Stimulus+predictability+and+the+gap+effect+on+pre-saccadic+smooth+pursuit.++%5BPreprint%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F14%2F