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首页> 外文期刊>Neuron >Functional interactions of the inferior frontal cortex during the processing of words and word-like stimuli.
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Functional interactions of the inferior frontal cortex during the processing of words and word-like stimuli.

机译：在处理单词和类似单词的刺激过程中，下额叶皮层的功能相互作用。

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摘要

The hypothesis that ventral/anterior left inferior frontal gyrus (LIFG) subserves semantic processing and dorsal/posterior LIFG subserves phonological processing was tested by determining the pattern of functional connectivity of these regions with regions in left occipital and temporal cortex during the processing of words and word-like stimuli. In accordance with the hypothesis, we found strong functional connectivity between activity in ventral LIFG and activity in occipital and temporal cortex only for words, and strong functional connectivity between activity in dorsal LIFG and activity in occipital and temporal cortex for words, pseudowords, and letter strings, but not for false font strings. These results demonstrate a task-dependent functional fractionation of the LIFG in terms of its functional links with posterior brain areas.
机译：通过确定单词和单词处理过程中这些区域与左枕和颞皮质区域的功能连通性模式，检验了腹侧/前左下额回（LIFG）保留语义处理和背/后LIFG保留语音处理的假设。像单词一样的刺激。根据该假设，我们发现仅单词的腹侧LIFG活动与枕和颞皮质活动之间的强功能连通性，以及单词，假单词和字母的背侧LIFG活动与枕颞皮质活动之间的强功能连通性字符串，但不适用于错误的字体字符串。这些结果证明了LIFG与后脑区域的功能联系方面的任务依赖性功能分级。

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