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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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利手与两半球的听觉词汇语义加工
, PP. 68-73
Keywords: 利手,偏侧化,整合,听觉词汇语义加工,双耳分听
Abstract:
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.
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