2011 Fiscal Year Final Research Report
Factors affecting reading performance of presbyopia : Reading Japanese and English
| Project/Area Number |
21653078
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Experimental psychology
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| Research Institution | Kumamoto University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
MORI Shuji 九州大学, システム情報科学研究院, 教授 (10239600)
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| Project Period (FY) |
2009 – 2011
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| Keywords | 読字速度 / 文字認知 / 視覚探索 / 高速逐次提示法 / 文字サイズ / コントラスト / 老視 / 非母語 |
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| Research Abstract |
To elucidate factors affecting reading performance of presbyopic middle-aged persons, we measured reading speed(presentation duration threshold and response time) in a reading-aloud task in rapid serial visual presentation and a non-word detection task in visual search. We manipulated letter size, luminance contrast, viewing distance, native-nonnative words, and number of strokes. The results showed that each of these factors affects reading performance in presbyopia, and that presbyopic participants show larger interactions among these factors than younger ones : Their reading speed is markedly slowed down when reading small letters in low luminance contrast at a near distance.
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