Individual differences in visual salience vary along semantic dimensions.

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dc.contributor.author de Haas, Benjamin en
dc.contributor.author Iakovidis, Alexios L en
dc.contributor.author Schwarzkopf, Dietrich en
dc.contributor.author Gegenfurtner, Karl R en
dc.date.accessioned 2019-10-21T02:42:51Z en
dc.date.issued 2019-06 en
dc.identifier.citation Proceedings of the National Academy of Sciences of the United States of America 116(24):11687-11692 Jun 2019 en
dc.identifier.issn 0027-8424 en
dc.identifier.uri http://hdl.handle.net/2292/48590 en
dc.description.abstract What determines where we look? Theories of attentional guidance hold that image features and task demands govern fixation behavior, while differences between observers are interpreted as a "noise-ceiling" that strictly limits predictability of fixations. However, recent twin studies suggest a genetic basis of gaze-trace similarity for a given stimulus. This leads to the question of how individuals differ in their gaze behavior and what may explain these differences. Here, we investigated the fixations of >100 human adults freely viewing a large set of complex scenes containing thousands of semantically annotated objects. We found systematic individual differences in fixation frequencies along six semantic stimulus dimensions. These differences were large (>twofold) and highly stable across images and time. Surprisingly, they also held for first fixations directed toward each image, commonly interpreted as "bottom-up" visual salience. Their perceptual relevance was documented by a correlation between individual face salience and face recognition skills. The set of reliable individual salience dimensions and their covariance pattern replicated across samples from three different countries, suggesting they reflect fundamental biological mechanisms of attention. Our findings show stable individual differences in salience along a set of fundamental semantic dimensions and that these differences have meaningful perceptual implications. Visual salience reflects features of the observer as well as the image. en
dc.format.medium Print-Electronic en
dc.language eng en
dc.relation.ispartofseries Proceedings of the National Academy of Sciences of the United States of America en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/ en
dc.subject Face en
dc.subject Humans en
dc.subject Eye Movements en
dc.subject Photic Stimulation en
dc.subject Individuality en
dc.subject Pattern Recognition, Visual en
dc.subject Visual Perception en
dc.subject Attention en
dc.subject Fixation, Ocular en
dc.subject Semantics en
dc.subject Adult en
dc.subject Female en
dc.subject Male en
dc.subject Facial Recognition en
dc.title Individual differences in visual salience vary along semantic dimensions. en
dc.type Journal Article en
dc.identifier.doi 10.1073/pnas.1820553116 en
pubs.issue 24 en
pubs.begin-page 11687 en
pubs.volume 116 en
dc.rights.holder Copyright: The authors en
pubs.end-page 11692 en
pubs.publication-status Published en
dc.rights.accessrights http://purl.org/eprint/accessRights/OpenAccess en
pubs.subtype Research Support, Non-U.S. Gov't en
pubs.subtype research-article en
pubs.subtype Journal Article en
pubs.elements-id 774430 en
pubs.org-id Medical and Health Sciences en
pubs.org-id Optometry and Vision Science en
dc.identifier.eissn 1091-6490 en
pubs.record-created-at-source-date 2019-05-30 en
pubs.dimensions-id 31138705 en


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