Pupil Sizes Scale with Attentional Load and Task Experience in a Multiple Object Tracking Task

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dc.creatorWahn, Basil
dc.creatorFerris, Daniel P.
dc.creatorHairston, W. David
dc.creatorKönig, Peter
dc.date.accessioned2017-03-27T06:35:30Z
dc.date.available2017-03-27T06:35:30Z
dc.date.issued2017-03-27T06:35:30Z
dc.identifier.citationPLoS ONE, Vol. 11, No. 12: e0168087, 2016, S. 1-15
dc.identifier.urihttps://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-2017032715689-
dc.description.abstractPrevious studies have related changes in attentional load to pupil size modulations. However, studies relating changes in attentional load and task experience on a finer scale to pupil size modulations are scarce. Here, we investigated how these changes affect pupil sizes. To manipulate attentional load, participants covertly tracked between zero and five objects among several randomly moving objects on a computer screen. To investigate effects of task experience, the experiment was conducted on three consecutive days. We found that pupil sizes increased with each increment in attentional load. Across days, we found systematic pupil size reductions. We compared the model fit for predicting pupil size modulations using attentional load, task experience, and task performance as predictors. We found that a model which included attentional load and task experience as predictors had the best model fit while adding performance as a predictor to this model reduced the overall model fit. Overall, results suggest that pupillometry provides a viable metric for precisely assessing attentional load and task experience in visuospatial tasks.eng
dc.relationhttp://dx.doi.org/10.1371/journal.pone.0168087
dc.subjectTarget detectioneng
dc.subjectPupileng
dc.subjectEyeseng
dc.subjectVisioneng
dc.subjectMemoryeng
dc.subjectCognitioneng
dc.subjectAttentioneng
dc.subjectReflexeseng
dc.subject.ddc610 - Medizin und Gesundheit
dc.titlePupil Sizes Scale with Attentional Load and Task Experience in a Multiple Object Tracking Taskeng
dc.typeEinzelbeitrag in einer wissenschaftlichen Zeitschrift [article]
uos.PublTypeMisc
dc.identifier.doi10.1371/journal.pone.0168087
vCard.ORGFB8
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