:::

詳目顯示

回上一頁
題名:聾人閱讀中的副中央凹視覺注意增強效應--來自消失文本的證據
書刊名:心理學報
作者:劉璐閆國利
出版日期:2018
卷期:2018(7)
頁次:715-726
主題關鍵詞:聾人副中央凹視覺注意增強效應消失文本眼動中文閱讀DeafEffect of parafoveal visual attention enhancement in deaf readingDisappearing textEye movementsChinese reading
原始連結:連回原系統網址new window
相關次數:
  • 被引用次數被引用次數:期刊(0) 博士論文(0) 專書(0) 專書論文(0)
  • 排除自我引用排除自我引用:0
  • 共同引用共同引用:0
  • 點閱點閱:4
為適應失聰后的復雜環境,聾人視覺注意資源的空間分布發生改變,這對聾人的閱讀加工產生了影響。本研究嘗試提出"聾人閱讀中的副中央凹視覺注意增強效應",并采用消失文本范式考察這一效應對聾人讀者副中央凹及中央凹處詞匯信息視覺編碼效率的影響。結果發現,在詞n+1短暫呈現時,聾生快速編碼副中央凹處文本信息的加工效率與其生理年齡匹配組相近,高于閱讀能力匹配組;但在詞n短暫呈現時,聾生快速編碼中央凹處文本信息的加工效率落后于健聽控制組,其詞匯通達和總閱讀效率均受阻。綜上所述,本研究證實了聾人閱讀中的副中央凹視覺注意增強效應,表現為副中央凹加工效率增強,但中央凹加工效率受阻。
Visual information is essential to deaf people given their early auditory deprivation.Some researchers have proposed a perspective in which the distribution of deaf visual attention resource shifted from the central to the extrafoveal visual field.This study explores how this unique visual processing ability may influence reading in deaf people and proposes‘the effect of parafoveal visual attention enhancement in deaf reading.’We hypothesise that visual attention resources are reorganised due to the absence of auditory input for deaf people.This reorganisation increased distribution toward the extrafoveal field,but decreased it in the foveal field,resulting in poor reading efficiency.A total of 29 severely to profoundly deaf students(DS)from a deaf school in Tianjin participated in the present study.Their hearing loss is≥90 d B in the better ear.Participants are either born deaf or became deaf before three years old,and they use Chinese Sign Language(CSL)as their main communication mode.None of them received a cochlear implant.The age control group(AC)has 29 hearing middle school students,which indicated no significant difference in chronological age with DS.In addition,29 hearing primary students comprised the reading-level control group(RC).The DS and RC were examined through a series of reading tests,including orthographic judgment task,reading fluency and reading comprehension,to match their reading levels.All participants read Chinese sentences for comprehension as their eye movements were tracked.A total of 48pairs of target words(48 high frequency and 48 low frequency words)were embedded in two different sentence frames.All sentences consisted of seven or eight double-character words.These sentences were either presented normally or in a disappearing text paradigm that,as each word(n)was fixated,the word(n)or the next word(n+1)remained visible only for a short period(40 ms)before disappearing.The paradigm was utilised to manipulate the display duration for the parafoveal word n+1(Experiment 1)or the foveal word N(Experiment2)respectively,to compare the efficiency(speed)of encoding visual text information in sentence reading.In Experiment 1,when word n+1 was presented briefly(40 ms),the overall sentence reading times were prolonged only for reading-level control group,but no difference was observed between deaf students and age control group.The effect of word frequency on target words was normal for all three groups.By contrast,in Experiment 2,during which word n was presented briefly(40 ms),the overall sentence reading times were prolonged only for deaf students.For gaze duration,the effect of word frequency for target words disappeared for deaf students.Therefore,deaf students showed higher efficiency of encoding parafoveal text information than their reading-level controls in Experiment 1 and were equal to their age controls.However,in Experiment 2,deaf students showed lower efficiency in encoding foveal text information than those in the hearing controls.In conclusion,the present study confirmed that deaf readers have enhanced parafoveal processing of linguistic information,but their foveal processing was hampered as a consequence.Thus,parafoveal visual attention was enhanced in deaf reading,which may be one of reasons for reading difficulty.Further research is necessary to explore this issue.
 
 
 
 
第一頁 上一頁 下一頁 最後一頁 top
:::
無相關博士論文
 
無相關書籍
 
無相關著作
 
QR Code
QRCODE