Development of sensitivity versus specificity for print in the visual word form area
Development of sensitivity versus specificity for print in the visual word form area
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DOI：
10.1016/j.bandl.2017.03.009
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发表时间：
2017-07-01
影响因子：
2.5
通讯作者：
Gabrieli, John D. E.
中科院分区：
文献类型：
--
作者：
Centanni, Tracy M.;King, Livia W.;Gabrieli, John D. E.
左侧外侧枕颞沟附近的一个区域优先对印刷品作出反应，被指定为视觉单词形成区（VWFA）。研究表明，这一大脑区域的专业化程度随着阅读技能的提高而提高。在这里，我们旨在通过功能性磁共振成像（fMRI）来描述7-14岁典型阅读儿童和年轻人在敏感性（对印刷文字的反应相对于非语言面孔）和特异性（对印刷文字的反应相对于可命名物体的线条图）方面的发展特征。与成人相比，儿童表现出相同的敏感性，但特异性降低。这些发现表明，相对于非语言刺激，印刷品的敏感性在阅读发展过程中发展相对较早，但印刷品的特异性在阅读发展过程中至少要持续到14岁。(C) 2017爱思唯尔公司版权所有。
An area near the left lateral occipito-temporal sulcus that responds preferentially to print has been designated as the visual word form area (VWFA). Research suggests that specialization in this brain region increases as reading expertise is achieved. Here we aimed to characterize that development in terms of sensitivity (response to printed words relative to non-linguistic faces) versus specificity (response to printed words versus line drawings of nameable objects) in typically reading children ages 7-14 versus young adults as measured by functional magnetic resonance imaging (fMRI). Relative to adults, children displayed equivalent sensitivity but reduced specificity. These findings suggest that sensitivity for print relative to non-linguistic stimuli develops relatively early in the VWFA in the course of reading development, but that specificity for printed words in VWFA is still developing through at least age 14. (C) 2017 Elsevier Inc. All rights reserved.