[1]蔡厚德,徐艳.利手与两半球的听觉词汇语义加工[J].南京师大学报(自然科学版),2007,30(01):68-73.
　Cai Houde,Xu Yan.Handedness and Semantic Processing of Auditory Words in Cerebral Hemispheres[J].Journal of Nanjing Normal University(Natural Science Edition),2007,30(01):68-73.
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利手与两半球的听觉词汇语义加工()
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《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

卷:
第30卷
期数:
2007年01期
页码:
68-73
栏目:
生命科学
出版日期:
2007-03-30

文章信息/Info

Title:
Handedness and Semantic Processing of Auditory Words in Cerebral Hemispheres
作者:
蔡厚德;徐艳;
南京师范大学教育科学学院脑与行为实验室, 江苏南京210097
Author(s):
Cai Houde; Xu Yan
Lab of Brain and Behavior,School of Education Science,Nanjing Normal University,Nanjing 210097,China
关键词:
利手;  偏侧化;  整合;  听觉词汇语义加工;  双耳分听
Keywords:
handedness;  latera lization;  integration;  sem antic processing o f aud itory wo rds;  dichotic lis tening
分类号:
B842.2
摘要:
左右利手被试在双耳分听呈现条件下完成单个汉字具体名词(动物、物体和身体部位)的范畴归类任务,检查不同利手者大脑两半球加工听觉词汇语义的大脑功能偏侧化与整合效应.结果显示:(1)右利手被试用左手或右手反应在左耳内的错误率显著低于右耳内,提示存在明显的右半球优势;(2)左利手被试用左手反应在左耳内的错误率也显著低于右耳内,但用右手反应在右耳内与左耳内的错误率差异不显著,提示两半球可能都有一定的听觉词汇语义加工能力;(3)右利手被试用左手或右手反应在左—右耳间或右—左耳间的错误率均显著高于左耳内,而与右耳内没有差异,提示缺乏明显的语义加工在半球间的整合优势;(4)左利手被试用右手反应在左—右耳间和右—左耳间的错误率均明显低于左耳内和右耳内,提示左利手被试的左半球可能具有更强的听觉词汇语义加工在半球间的整合能力.
Abstract:
In dichotic listen ing, left-and righ t-handers unde rtook the category classify task on concrete nouns ( an im als, objects, body parts) of Ch inese sing le cha racte rs to ex am ine the cerebra l functional la t era lization and integration fo r sem antic processing of audito ry w ords in d ifferen t handers. The results show ed that: ( 1) the erro r ra tes fo r the w ith in le ft-ear w ere low er than the w ith in r ight-earw hen respon d ing w ith the le ft-hands or the righ t-hands in the right handers, revea ling an r ight hem ispher ic dom i nance; ( 2) the righ t hem ispher ic dom inance w as also obse rved in the left-handers when respond ing w ith the le ft-hands, but therew as no sign ificant d iffe rence of the error rates between thew ith in le ft-ear and the w ith in right-ea rw hen respond ing w ith the r ight-hands, suggesting that the left-handers may be ab le to process these auditory wo rds in e ithe r the r ight or the le ft hem isphere; ( 3 ) the erro r rates for bo th the cross left-r ight ear and the cro ss r ight-left ear w ere h igher than the w ith in left-ear when respond ing w ith the left-hands in the right handers, bu t not h igher than the w ith in r ight-ear when responding w ith the right-hands, indicating no dom inance fo r interhem ispher ic integration of the sem an tic processing; ( 4) the erro r ra tes bo th for the cross left-righ t ear and the cross r ight-left ear w ere low er than the w ithin le ft-ear and the w ith in r ight-ear when responding w ith the r ight-hands in the left handers, suggesting the left -handers cou ld po ssess the ab ility to integ ra te the sem antic processing across the two hem isphe res

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备注/Memo

备注/Memo:
基金项目: 江苏省哲学社会科学研究“十五规划基金项目成果”( 04 JYB013)资助项目.
作者简介: 蔡厚德( 1957- ) , 教授, 主要从事汉语认知的大脑功能偏侧化与整合研究. E-m ail:caihoude@ 163. com
更新日期/Last Update: 2013-05-05