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- 柳澤 秀吉
- 東京大学大学院工学系研究科
書誌事項
- タイトル別名
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- Computational model of the expectation effect in perception of physical properties
- ブツリリョウ ノ チカク ニ オケル キタイ コウカ ノ ケイサン モデル
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抄録
<p>Prior expectation affects posterior perceptual experience. This psychological effect is called expectation effect. In this paper, we proposed computational model of the expectation effect. The model consists of three statistic distributions, prior, likelihood, and posterior. We assumed that a combination of prior and likelihood estimates the posterior that represents posterior perceptual experience using Bayes' inference and efficient coding hypothesis. Based on the proposed model, we formalized the expectation effect as a function of three parameters:expectation error, uncertainty, and external noise. We conducted both computer simulation and experiment using size-weight illusion to examine the characteristics of expectation effect. We investigated the effects of the three parameters on intensity of expectation effect and the conditions of two types of expectation effect, i.e. contrast and assimilation. From the result of both simulations and experiments, we found following characteristics of the expectation effect. 1) Assimilation shifts to contrast as expectation error increased. 2) Uncertainty decreased intensity of both assimilation and contrast effect. 3) External noise increase assimilation and decrease contrast. </p>
収録刊行物
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- ヒューマンインタフェース学会論文誌
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ヒューマンインタフェース学会論文誌 18 (4), 309-318, 2016-11-25
ヒューマンインタフェース学会
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詳細情報 詳細情報について
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- CRID
- 1390845713080683648
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- NII論文ID
- 130007671569
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- NII書誌ID
- AA12557262
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- ISSN
- 2186828X
- 21868271
- 13447262
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- NDL書誌ID
- 027853656
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可