Language context modulates reading route: an electrical neuroimaging study.
Language context modulates reading route: an electrical neuroimaging study.
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语言环境调节阅读路线：电神经影像研究。
DOI：
10.3389/fnhum.2014.00083
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发表时间：
2014
影响因子：
2.9
通讯作者：
Annoni JM
中科院分区：
文献类型：
--
作者：
Buetler KA;de León Rodríguez D;Laganaro M;Müri R;Spierer L;Annoni JM
简介：拼写深度假说认为，根据所阅读语言的字素/音素对应类型，采用不同的阅读路线。具有一致的字素/音素对应关系的浅层正字法有利于通过非词汇路径进行编码，其中每个字素都按顺序映射到其相应的音素。相比之下，具有不一致的字素/音素对应关系的深层正字法有利于词汇路径，其中音素是从专门的记忆结构中检索的。然而，这一假设缺乏令人信服的实证支持。本研究的目的是使用受试者内设计来调查拼写深度对阅读路线选择的影响。方法：我们向高度熟练的双语者呈现相同的伪词（PW），并通过将它们嵌入两个独立的德语或法语语境中来操纵 PW 阅读的拼写深度，分别暗示浅或深的拼写。在任务过程中记录了高密度脑电图。结果：当在不同的拼写深度上下文中阅读 PW 时，ERP 与相同 PW 的拓扑在刺激开始后 300-360 毫秒内有所不同，表明在该时间窗口内参与阅读的大脑网络不同。这些地形效应背后的脑源位于左下额叶（德国>法国）、顶叶（法国>德国）和扣带区（德国>法国）。结论：在浅层语境中阅读有利于非词汇途径，这反映在浅层拼字语境中额叶语音区域的参与程度比深层拼写语境中更强。相比之下，在深层正字法语境中阅读《密码》需要较少的常规非词汇途径，这反映在深层正字法语境中与浅层正字法语境中视觉注意顶叶区域的参与程度更强。这些集体结果支持通过拼写深度来调整阅读路线。
Introduction: The orthographic depth hypothesis posits that different reading routes are engaged depending on the type of grapheme/phoneme correspondence of the language being read. Shallow orthographies with consistent grapheme/phoneme correspondences favor encoding via non-lexical pathways, where each grapheme is sequentially mapped to its corresponding phoneme. In contrast, deep orthographies with inconsistent grapheme/phoneme correspondences favor lexical pathways, where phonemes are retrieved from specialized memory structures. This hypothesis, however, lacks compelling empirical support. The aim of the present study was to investigate the impact of orthographic depth on reading route selection using a within-subject design. Method: We presented the same pseudowords (PWs) to highly proficient bilinguals and manipulated the orthographic depth of PW reading by embedding them among two separated German or French language contexts, implicating respectively, shallow or deep orthography. High density electroencephalography was recorded during the task. Results: The topography of the ERPs to identical PWs differed 300–360 ms post-stimulus onset when the PWs were read in different orthographic depth context, indicating distinct brain networks engaged in reading during this time window. The brain sources underlying these topographic effects were located within left inferior frontal (German > French), parietal (French > German) and cingular areas (German > French). Conclusion: Reading in a shallow context favors non-lexical pathways, reflected in a stronger engagement of frontal phonological areas in the shallow versus the deep orthographic context. In contrast, reading PW in a deep orthographic context recruits less routine non-lexical pathways, reflected in a stronger engagement of visuo-attentional parietal areas in the deep versus shallow orthographic context. These collective results support a modulation of reading route by orthographic depth.
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2.9
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通讯作者：
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