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dc.contributor.authorNiehof, Nynke
dc.contributor.authorTramper, Julian J
dc.contributor.authorDöller, Christian Fritz Andreas
dc.contributor.authorMedendorp, W Pieter
dc.identifier.citationJournal of Vision. 2017, 17 (12), 1-10.nb_NO
dc.description.abstractThe brain can use multiple reference frames to code line orientation, including head-, object-, and gravity-centered references. If these frames change orientation, their representations must be updated to keep register with actual line orientation. We tested this internal updating during head rotation in roll, exploiting the rod-and-frame effect: The illusory tilt of a vertical line surrounded by a tilted visual frame. If line orientation is stored relative to gravity, these distortions should also affect the updating process. Alternatively, if coding is head- or frame-centered, updating errors should be related to the changes in their orientation. Ten subjects were instructed to memorize the orientation of a briefly flashed line, surrounded by a tilted visual frame, then rotate their head, and subsequently judge the orientation of a second line relative to the memorized first while the frame was upright. Results showed that updating errors were mostly related to the amount of subjective distortion of gravity at both the initial and final head orientation, rather than to the amount of intervening head rotation. In some subjects, a smaller part of the updating error was also related to the change of visual frame orientation. We conclude that the brain relies primarily on a gravity-based reference to remember line orientation during head roll.nb_NO
dc.publisherAssociation for Research in Vision and Ophthalmology (ARVO)nb_NO
dc.rightsNavngivelse 4.0 Internasjonal*
dc.titleUpdating of visual orientation in a gravity-based reference framenb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.source.journalJournal of Visionnb_NO
dc.relation.projectNorges forskningsråd: Center of Excellence Scheme grant number 223262nb_NO
dc.relation.projectThe Egil and Pauline Braathen and Fred Kavli Centre for Cortical Microcircuits: 00nb_NO
dc.relation.projectKavli Foundation: 10nb_NO
dc.relation.projectEU/European Research Council (ERC-StG RECONTEXT 261177nb_NO
dc.relation.projectNorges forskningsråd: NORBRAINnb_NO
dc.relation.projectEU/ERC-CoG GEOCOG 724836nb_NO
dc.description.localcodeCopyright 2017 The Authors. This work is licensed under a Creative Commons Attribution 4.0 International License.nb_NO
cristin.unitnameKavliinstitutt for nevrovitenskap

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