Tilt aftereffect spreads across the visual field

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buir.contributor.authorGürbüz, Büşra Tuğçe
buir.contributor.authorBoyacı, Hüseyin
buir.contributor.orcidBoyacı, Hüseyin|0000-0003-3168-0654
dc.citation.epage108174-9en_US
dc.citation.spage108174-[1]
dc.citation.volumeNumber205
dc.contributor.authorGürbüz, Büşra Tuğçe
dc.contributor.authorBoyacı, Hüseyin
dc.date.accessioned2024-03-13T12:34:07Z
dc.date.available2024-03-13T12:34:07Z
dc.date.issued2023-01-09
dc.departmentAysel Sabuncu Brain Research Center (BAM)
dc.departmentNational Magnetic Resonance Research Center (UMRAM)
dc.departmentDepartment of Psychology
dc.description.abstractThe tilt aftereffect (TAE) is observed when adaptation to a tilted contour alters the perceived tilt of a subsequently presented contour. Thus far, TAE has been treated as a local aftereffect observed only at the location of the adapter. Whether and how TAE spreads to other locations in the visual field has not been systematically studied. Here, we sought an answer to this question by measuring TAE magnitudes at locations including but not limited to the adapter location. The adapter was a tilted grating presented at the same peripheral location throughout an experimental session. In a single trial, participants indicated the perceived tilt of a test grating presented after the adapter at one of fifteen locations in the same visual hemifield as the adapter. We found non-zero TAE magnitudes in all locations tested, showing that the effect spreads across the tested visual hemifield. Next, to establish a link between neuronal activity and behavioral results and to predict the possible neuronal origins of the spread, we built a computational model based on known characteristics of the visual cortex. The simulation results showed that the model could successfully capture the pattern of the behavioral results. Furthermore, the pattern of the optimized receptive field sizes suggests that mid-level visual areas, such as V4, could be critically involved in TAE and its spread across the visual field.
dc.identifier.doi10.1016/j.visres.2022.108174
dc.identifier.eissn1878-5646
dc.identifier.issn0042-6989
dc.identifier.urihttps://hdl.handle.net/11693/114693
dc.language.isoEnglish
dc.publisherElsevier
dc.relation.isversionofhttps://dx.doi.org/10.1016/j.visres.2022.108174
dc.source.titleVision Research
dc.subjectOrientation perception
dc.subjectTilt aftereffect
dc.subjectReceptive field
dc.titleTilt aftereffect spreads across the visual field
dc.typeArticle

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Aysel Sabuncu Brain Research Center (BAM)
Department of Psychology
National Magnetic Resonance Research Center (UMRAM)