| Project/Area Number |
25380977
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Experimental psychology
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| Research Institution | Chiba University |
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Principal Investigator |
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| Research Collaborator |
USHITANI TOMOKAZU 千葉大学, 文学部, 准教授 (20400806)
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Keywords | 視覚情報処理 / 視覚的注意 / 高速逐次視覚呈示法 / 画像記憶 / 比較認知心理学 / ハト / 高速逐次視覚呈示 / 画像刺激処理 / 視覚的維持 / 動物認知 |
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| Outline of Final Research Achievements |
For animals to survive in their natural environments, rapid visual processing of visual inputs is of great relevance. Experiment 1 developed an RSVP procedure for pigeons, where pigeons were required to discriminate two bird pictures (the targets) each of which was briefly presented in a rapid sequence of other bird pictures (the distractors). By using the RSVP procedure, a series of experiments revealed that 1) pigeons require the minimum viewing time of 80 ms to identify the target, 2) if a distractor appears after the target processing has been completed, the target’s memory is not impaired by the distractor, 3) if the target terminates before its processing is completed, further processing is disrupted by the distractor, and 4) if only the target appears in the absence of distractors, visual processing of the target continues beyond its actual time in view.
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