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dc.contributor.authorÖgmen, H.*
dc.contributor.authorEkiz, O.*
dc.contributor.authorHuynh, D.*
dc.contributor.authorBedell, H.E.*
dc.contributor.authorTripathy, Srimant P.*
dc.date.accessioned2019-01-21T11:21:38Z
dc.date.available2019-01-21T11:21:38Z
dc.date.issued2013-12-31
dc.identifier.citationÖgmen H, Ekiz O, Huynh D et al (2013) Bottlenecks of motion processing during a visual glance: the leaky flask model. PLoS ONE. 8(12): e83671.en_US
dc.identifier.urihttp://hdl.handle.net/10454/16756
dc.descriptionYesen_US
dc.description.abstractWhere do the bottlenecks for information and attention lie when our visual system processes incoming stimuli? The human visual system encodes the incoming stimulus and transfers its contents into three major memory systems with increasing time scales, viz., sensory (or iconic) memory, visual short-term memory (VSTM), and long-term memory (LTM). It is commonly believed that the major bottleneck of information processing resides in VSTM. In contrast to this view, we show major bottlenecks for motion processing prior to VSTM. In the first experiment, we examined bottlenecks at the stimulus encoding stage through a partial-report technique by delivering the cue immediately at the end of the stimulus presentation. In the second experiment, we varied the cue delay to investigate sensory memory and VSTM. Performance decayed exponentially as a function of cue delay and we used the time-constant of the exponential-decay to demarcate sensory memory from VSTM. We then decomposed performance in terms of quality and quantity measures to analyze bottlenecks along these dimensions. In terms of the quality of information, two thirds to three quarters of the motion-processing bottleneck occurs in stimulus encoding rather than memory stages. In terms of the quantity of information, the motion-processing bottleneck is distributed, with the stimulus-encoding stage accounting for one third of the bottleneck. The bottleneck for the stimulus-encoding stage is dominated by the selection compared to the filtering function of attention. We also found that the filtering function of attention is operating mainly at the sensory memory stage in a specific manner, i.e., influencing only quantity and sparing quality. These results provide a novel and more complete understanding of information processing and storage bottlenecks for motion processing.en_US
dc.description.sponsorshipSupported by R01 EY018165 and P30 EY007551 from the National Institutes of Health (NIH).en_US
dc.language.isoenen_US
dc.relation.isreferencedbyhttps://doi.org/10.1371/journal.pone.0083671en_US
dc.rights© 2013 Öğmen et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.en_US
dc.subjectBottlenecksen_US
dc.subjectHuman visual systemen_US
dc.subjectVisual short-term memory (VSTM)en_US
dc.subjectStimulus encodingen_US
dc.subjectMotion processingen_US
dc.titleBottlenecks of motion processing during a visual glance: the leaky flask modelen_US
dc.status.refereedYesen_US
dc.date.Accepted2013-11-06
dc.date.application2013-12-31
dc.typeArticleen_US
dc.type.versionpublished version paperen_US
refterms.dateFOA2019-01-21T11:21:38Z


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