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Frequency effect in reading aloud irregular Chinese characters: an fMRI study
Authors
于薇
张兆琪
+4 more
王晓怡
翁旭初
谭向杰
马力飞
Publication date
1 January 2004
Publisher
Abstract
目的 利用事件相关功能磁共振成像技术观察出声阅读条件下不规则汉字频率效应的脑激活模式。方法 8名非语言专业大学生在MR扫描过程中执行汉字出声阅读任务。用视觉方式随机呈现 40个形声字 ,其中高频、低频不规则字各 2 0个。结果 左侧额中回、左侧额下回、辅助运动区、左侧颞下回后部、双侧纹外皮层、左侧岛叶、扣带回前部表现出频率效应 ,即阅读低频汉字时的激活强于高频汉字。结论 出声阅读汉字特别是低频不规则汉字可激活主要语言加工区 ,可作为可靠而实用的临床诊断试验。扣带回前部与左侧额中回可能是汉字阅读的特殊脑
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Institutional Repository of Institute of Psychology, Chinese Academy of Sciences
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Last time updated on 25/07/2018