Research on the Relationship among Contact Force, Finger Movements, and Reading Speed of Braille Readers and on Revising Braille Instruction Methods

盲文阅读器接触力、手指动作与阅读速度关系的研究及盲文教学方法的修订

基本信息

  • 批准号:
    16091217
  • 负责人:
  • 金额:
    $ 7.42万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research on Priority Areas
  • 财政年份:
    2004
  • 资助国家:
    日本
  • 起止时间:
    2004 至 2006
  • 项目状态:
    已结题

项目摘要

The purpose of our study is (1) to investigate the relation among contact pressure (contact force), finger movements, and the reading skill of braille (reading speed) and (2) to revise braille instruction methods based on above-mentioned experimental results.In 2004, we introduced a pressure measurement system using pressure sensitive conductive ink. From 2004 to early 2005, we performed experiments using this system with skilled braille readers as subjects and observed (1) small but frequent variance of contact pressure within one line and (2) reduced pressure during the sweeps from the end of one line to the beginning of the next line.However, periodic calibration over weeks showed their instability behaviors so that we cannot be confident enough in these quantitative data.To obtain trustworthy pressure data, we adopted an optical 6-axis force-torque sensor in late 2005. Two calibrations over one month proved high accuracy and time stability of the new system.By using this system, we carried out a series of experiments with thirty-two braille users as subjects. Quantitative data demonstrate that unskilled readers show fluctuating but light contact force whereas that of skilled readers are comparatively strong and varies greatly from person to person; these observations are incompatible with the proposition by preceding studies. We analyzed the relationship among braille reading speed, contact force, tactile movements, and attributes of the subjects thoroughly and found that braille reading speed is related to the age when braille was learned and the frequency of braille usage but not to tactile movements.Our future work is to revise braille instruction methods based on these new findings to reduce cognitive workload of braille learners.
本研究的目的是(1)探讨接触压力(接触力)、手指运动与盲文阅读技能(阅读速度)之间的关系;(2)根据上述实验结果修正盲文教学方法。从2004年到2005年初,我们使用该系统进行了实验,熟练的盲文读者作为受试者,观察到(1)一行内接触压力的小但频繁的变化,(2)从一行结束到下一行开始的扫描期间压力降低。几周的周期性校准显示了它们的不稳定行为,使得我们不能对这些定量数据足够自信。为了获得可靠的压力数据,我们在2005年底采用了光学6轴力-扭矩传感器。经过一个多月的两次标定,证明该系统具有较高的准确度和时间稳定性。定量数据表明,不熟练的阅片者显示出波动但轻微的接触力,而熟练的阅片者的接触力相对较强,并且因人而异;这些观察结果与先前研究的主张不一致。我们深入分析了盲文阅读速度、接触力、触觉动作和受试者属性之间的关系,发现盲文阅读速度与学习盲文的年龄和使用盲文的频率有关,而与触觉动作无关。

项目成果

期刊论文数量(40)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Practical Use of the Interactive Tactile Display System at a School for theBlind
互动触觉显示系统在盲人学校的实际应用
Development of a Measuring System of Contact Force during Braille Reading Using an Optical 6-Axis Force Sensor
使用光学六轴力传感器开发盲文阅读过程中接触力测量系统
Relationship among Braille Reading Speed, Contact Force, Tactile Movements and Attributes of the Braille Readers
盲文阅读者盲文阅读速度、接触力、触觉运动与属性之间的关系
点字触読速度・接触力・触運動と触読者の属性との関係
盲文触觉阅读速度、接触力、触觉运动与触觉阅读器属性之间的关系
Development of a Measuring System of Contact Force during Braille Reading Using an Optical 6 - Axis Force Sensor
使用光学六轴力传感器开发盲文阅读过程中接触力测量系统
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WATANABE Tetsuya其他文献

Seismic isolation system using rhombus link and leaf spring (Vertical isolation)
使用菱形连杆和板簧的隔震系统(垂直隔震)
  • DOI:
    10.1299/transjsme.20-00010
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    0
  • 作者:
    IIJIMA Naoki;WATANABE Tetsuya;NARISAWA Yoshinori
  • 通讯作者:
    NARISAWA Yoshinori

WATANABE Tetsuya的其他文献

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{{ truncateString('WATANABE Tetsuya', 18)}}的其他基金

Nonlinear Seismic Design of Industrial Facilities
工业设施非线性抗震设计
  • 批准号:
    22560216
  • 财政年份:
    2010
  • 资助金额:
    $ 7.42万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Study on Tax Rules for Complicated M & A Transactions including Corporate Reorganizations
复杂商品税收规则研究
  • 批准号:
    20530021
  • 财政年份:
    2008
  • 资助金额:
    $ 7.42万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Research on the development of a tactile graphics creation system which produces tactually easy-to-understand graphics
研究开发触觉图形创建系统,生成触觉上易于理解的图形
  • 批准号:
    20300200
  • 财政年份:
    2008
  • 资助金额:
    $ 7.42万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Research on Visual, Auditory, and Tactile Perception of Visually Impaired Persons
视障人士视觉、听觉和触觉的研究
  • 批准号:
    16091105
  • 财政年份:
    2004
  • 资助金额:
    $ 7.42万
  • 项目类别:
    Grant-in-Aid for Scientific Research on Priority Areas
Research on More Understandable Shosaiyomi, Explanatory Expressions Used in Screen Readers for Visually Impaired Persons
研究更易于理解的“读斋读”(视障人士屏幕阅读器中使用的解释性表达)
  • 批准号:
    16300191
  • 财政年份:
    2004
  • 资助金额:
    $ 7.42万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
UK-Japan Cooperative Study of Solar Flares with the Yohkoh Mission
英日联合 Yohkoh 任务进行太阳耀斑合作研究
  • 批准号:
    08044105
  • 财政年份:
    1996
  • 资助金额:
    $ 7.42万
  • 项目类别:
    Grant-in-Aid for international Scientific Research
UK-Japan Cooperative Study of Solar Flares with the Yohkoh Mission
英日联合 Yohkoh 任务进行太阳耀斑合作研究
  • 批准号:
    06044229
  • 财政年份:
    1994
  • 资助金额:
    $ 7.42万
  • 项目类别:
    Grant-in-Aid for international Scientific Research
UK-Japan Cooperative Study of Solar Flares with the SOLAR-A Spacecraft
英日利用 SOLAR-A 航天器合作研究太阳耀斑
  • 批准号:
    04044171
  • 财政年份:
    1992
  • 资助金额:
    $ 7.42万
  • 项目类别:
    Grant-in-Aid for international Scientific Research
High-Resolution, High-Precision Observation of Solar X-Ray Images
太阳 X 射线图像的高分辨率、高精度观测
  • 批准号:
    03402002
  • 财政年份:
    1991
  • 资助金额:
    $ 7.42万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (A)

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为视障人士提供基于手套的盲文字符和数字图像触觉流传输
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