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Saccade control during reading

Research Project

Project/Area Number 07451021
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field 実験系心理学
Research InstitutionKYOTO UNIVERSITY

Principal Investigator

OSAKA Naoyuki  Kyoto University, Faculty of Lettters, Professor, 文学研究科, 教授 (20113136)

Project Period (FY) 1995 – 1996
Project Status Completed (Fiscal Year 1996)
Budget Amount *help
¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 1996: ¥1,000,000 (Direct Cost: ¥1,000,000)
Keywordsreading / eye movement / saccade / 日本語
Research Abstract

Reading processes of Japanese text were investigated experimentally using saccade and fixation as the indices. During text reading we understand a meaning of the text using precise control of the eye movements. Two kinds of eye movements, i.e., saccade and fixation, have been experimentally found during reading. Saccade has quick acceleration and stopping phase in eye movements. Further, saccade has close connection with the issue on how to determine next fixation locus during reading. What kind of parameter controls the magnitude of saccade. Is saccade magnitude computed intentionally (or automatically) or does it depend on structure of the text? The purpose of the present research was to investigate saccade and fixation behavior when the subject presented texts having variety of text structure. Following results are obtained :
(1) Saccade is likely not to change depending on the text structure while fixation time depends on structure, especially on semantic information. Further, saccade has found to change depending on difference of language and kanji-mixed (and hirakana only) text properties.
(2) Saccade appears independent of reading direction such as vertical and horizontal reading.
(3) Optimal Viewing Position (OVP), previously observed in English and French, was also observed in Japanese. Saccade control during OVP behavior showed the eyes automatically detected optimal position during reading a single word. The study showed saccade control has influences during reading in various ways.

Report

(3 results)
  • 1996 Annual Research Report   Final Research Report Summary
  • 1995 Annual Research Report
  • Research Products

    (3 results)

All Other

All Publications (3 results)

  • [Publications] 苧阪直行: "読みの情報処理" 朝倉書店, 200 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Osaka, Naoyuki: Information processing during reading. 200 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 苧阪直行: "読みの情報処理" 朝倉書店, 200 (1997)

    • Related Report
      1996 Annual Research Report

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Published: 1996-04-01   Modified: 2016-04-21  

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