دورية أكاديمية
Corrective mechanisms of motion extrapolation.
| العنوان: | Corrective mechanisms of motion extrapolation. |
|---|---|
| المؤلفون: | Wang X; Department of Ophthalmology, and Laboratory of Optometry and Vision Sciences, West China Hospital, Sichuan University, Chengdu, Sichuan, China.; McGill Vision Research Unit, Department of Ophthalmology & Visual Sciences, McGill University, Montreal, Quebec, Canada.; xiwangoph@126.com., Song Y; Department of Ophthalmology, and Laboratory of Optometry and Vision Sciences, West China Hospital, Sichuan University, Chengdu, Sichuan, China.; ytsong@scu.edu.cn., Liao M; Department of Ophthalmology, and Laboratory of Optometry and Vision Sciences, West China Hospital, Sichuan University, Chengdu, Sichuan, China.; liaomeng_213@163.com., Liu T; Department of Ophthalmology, and Laboratory of Optometry and Vision Sciences, West China Hospital, Sichuan University, Chengdu, Sichuan, China.; 508673221@qq.com., Liu L; Department of Ophthalmology, and Laboratory of Optometry and Vision Sciences, West China Hospital, Sichuan University, Chengdu, Sichuan, China.; b.q15651@hotmail.com., Reynaud A; McGill Vision Research Unit, Department of Ophthalmology & Visual Sciences, McGill University, Montreal, Quebec, Canada.; alexandre.reynaud@mcgill.ca. |
| المصدر: | Journal of vision [J Vis] 2024 Mar 01; Vol. 24 (3), pp. 6. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Association for Research in Vision and Ophthalmology (ARVO) Country of Publication: United States NLM ID: 101147197 Publication Model: Print Cited Medium: Internet ISSN: 1534-7362 (Electronic) Linking ISSN: 15347362 NLM ISO Abbreviation: J Vis Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: <2002->: [Rockville, MD] : Association for Research in Vision and Ophthalmology (ARVO) Original Publication: Charlottesville, VA : Scholar One, Inc., [2001]- |
| مواضيع طبية MeSH: | Brain* , Motion Perception*, Humans ; Dioctyl Sulfosuccinic Acid ; Motion ; Phenolphthalein |
| مستخلص: | Transmission and processing of sensory information in the visual system takes time. For motion perception, our brain can overcome this intrinsic neural delay through extrapolation mechanisms and accurately predict the current position of a continuously moving object. But how does the system behave when the motion abruptly changes and the prediction becomes wrong? Here we address this question by studying the perceived position of a moving object with various abrupt motion changes by human observers. We developed a task in which a bar is monotonously moving horizontally, and then motion suddenly stops, reverses, or disappears-then-reverses around two vertical stationary reference lines. Our results showed that participants overestimated the position of the stopping bar but did not perceive an overshoot in the motion reversal condition. When a temporal gap was added at the reverse point, the perceptual overshoot of the end point scaled with the gap durations. Our model suggests that the overestimation of the object position when it disappears is not linear as a function of its speeds but gradually fades out. These results can thus be reconciled in a single process where there is an interplay of the cortical motion prediction mechanisms and the late sensory transient visual inputs. |
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| المشرفين على المادة: | 10041-19-7 (Dioctyl Sulfosuccinic Acid) 6QK969R2IF (Phenolphthalein) |
| تواريخ الأحداث: | Date Created: 20240321 Date Completed: 20240322 Latest Revision: 20240325 |
| رمز التحديث: | 20240325 |
| مُعرف محوري في PubMed: | PMC10960225 |
| DOI: | 10.1167/jov.24.3.6 |
| PMID: | 38512248 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 1534-7362 |
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| DOI: | 10.1167/jov.24.3.6 |