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Overestimation of the number of elements in a three-dimensional stimulus
https://oacis.repo.nii.ac.jp/records/1778
https://oacis.repo.nii.ac.jp/records/177890eb9a4b-9769-4869-8873-91df5b8962d8
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-06-24 | |||||
タイトル | ||||||
タイトル | Overestimation of the number of elements in a three-dimensional stimulus | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
著者 |
Aida, Saori
× Aida, Saori× Kusano, Tsutomu× Shimono, Koichi× Wa James Tam |
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書誌情報 |
Journal of Vision 巻 15, 号 9, p. 1-16, 発行日 2015 |
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抄録 | ||||||
内容記述 | Observers' numerosity judgments in binocular stereopsis were examined in four experiments, using random-dot stereograms (RDSs) that depicted a two-dimensional (2-D) stimulus side-by-side with a three-dimensional (3-D) stimulus. When the RDSs were correctly fused, a single surface and two (or three) transparent surfaces were observed for the 2-D and 3-D stimuli, respectively. Observers completed a numerosity discrimination task, where they judged which of the two stimuli had a greater number of dot elements. Results showed that (a) the 3-D stimulus was judged to contain more elements than the 2-D stimulus, even when both had the same number of elements, (b) the amount of overestimation increased as a function of the number of elements and the binocular disparity between the front and back surfaces of the 3-D stimulus, (c) the ratio of the physical number of elements in the front surface to that in the back surface of the 3-D stimulus had no effect on the magnitude of overestimation, and (d) when the number of elements for the two surfaces were judged separately, the ratio had more effect on the judged number of elements in the back surface than in the front surface. These results indicate that the extent of overestimation in the numerosity judgment of a set of elements in a stimulus depends on the number of depth layers in which the elements are embedded. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1534-7362 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1167/15.9.23 | |||||
情報源 | ||||||
関連識別子 | https://doi.org/10.1167/15.9.23 | |||||
関連名称 | Publisher's Version/PDF (OpenAccess) | |||||
情報源 | ||||||
関連識別子 | https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-15H03463/ | |||||
関連名称 | KAKEN研究課題: 立体視的3次元知覚に及ぼす背景面の効果-奥行き、方向、数量知覚について | |||||
情報源 | ||||||
関連識別子 | https://nrid.nii.ac.jp/ja/nrid/1000070202116/ | |||||
関連名称 | 研究代表者: 下野 孝一 (東京海洋⼤学) | |||||
件名 | ||||||
主題 | 科学研究費研究成果 | |||||
科学研究費研究課題 | ||||||
主題 | 立体視的3次元知覚に及ぼす背景面の効果-奥行き、方向、数量知覚について | |||||
研究課題番号 | ||||||
内容記述 | 15H03463 |