The “Inferior Temporal Numeral Area” distinguishes numerals from other character categories during passive viewing: A representational similarity analysis
The “Inferior Temporal Numeral Area” distinguishes numerals from other character categories during passive viewing: A representational similarity analysis
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“下颞数字区域”在被动观看过程中将数字与其他字符类别区分开来：代表性相似性分析
DOI：
10.1016/j.neuroimage.2020.116716
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发表时间：
2020
期刊：
影响因子：
5.7
通讯作者：
Price, Gavin R.
中科院分区：
文献类型：
--
作者：
Yeo, Darren J.;Pollack, Courtney;Merkley, Rebecca;Ansari, Daniel;Price, Gavin R.
后颞下回（pITG）中的一个区域被认为是专门用于处理阿拉伯数字的，但是功能磁共振成像研究将数字的被动观察与其他字符类型（例如，字母和小说人物）在pITG中没有发现数字偏好的证据。然而，最近的研究表明，参与的pITG调制的注意力和任务的背景下，这表明被动观看范式可能不适合检查数字专业化的pITG。然而，有可能的是，即使对不同类别类型的响应的强度相似，分布式响应模式（即，在候选数字偏好pITG区域（“pITG数字”）中的神经表征）可以揭示分类区别，即使在被动观看期间。使用具有相同任务范式和刺激集（totalN = 88）的三个数据集的表征相似性分析，我们测试了pITG数字中数字、字母和新字符的神经表征是否根据视觉形式和/或概念类别（例如，熟悉与新奇，数字与其他）。小规模的频率论和贝叶斯元分析我们的特定的研究结果表明，组织的神经表征pITG数字是不太可能被描述的抽象形状的差异，但可以被描述为一个分类的“数字与字母”的区别，甚至是“数字与其他”的区别（表明更大的数字敏感性）。在被动观看过程中更大的数字敏感性的证据表明，pITG数字可能是神经通路的一部分，该神经通路已被开发用于自动处理具有潜在数字相关性的对象。鉴于数字和字母在形状上没有明显的不同，被动观察过程中pITG数字的分类区分必须反映基于在不同任务背景下重复使用数字和字母的符号集表征的个体发育分化。
A region in the posterior inferior temporal gyrus (pITG) is thought to be specialized for processing Arabic numerals, but fMRI studies that compared passive viewing of numerals to other character types (e.g., letters and novel characters) have not found evidence of numeral preference in the pITG. However, recent studies showed that the engagement of the pITG is modulated by attention and task contexts, suggesting that passive viewing paradigms may be ill-suited for examining numeral specialization in the pITG. It is possible, however, that even if the strengths of responses to different category types are similar, the distributed response patterns (i.e., neural representations) in a candidate numeral-preferring pITG region (“pITG-numerals”) may reveal categorical distinctions, even during passive viewing. Using representational similarity analyses with three datasets that share the same task paradigm and stimulus sets (totalN= 88), we tested whether the neural representations of digits, letters, and novel characters in pITG-numerals were organized according to visual form and/or conceptual categories (e.g., familiar versus novel, numbers versus others). Small-scale frequentist and Bayesian meta-analyses of our dataset-specific findings revealed that the organization of neural representations in pITG-numerals is unlikely to be described by differences in abstract shape, but can be described by a categorical “digits versus letters” distinction, or even a “digits versus others” distinction (suggesting greater numeral sensitivity). Evidence of greater numeral sensitivity during passive viewing suggest that pITG-numerals is likely part of a neural pathway that has been developed for automatic processing of objects with potential numerical relevance. Given that numerals and letters do not differ categorically in terms of shape, categorical distinction in pITG-numerals during passive viewing must reflect ontogenetic differentiation of symbol set representations based on repeated usage of numbers and letters in differing task contexts.
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影响因子：
2.5
作者：
Fairhall, Scott L.;Anzellotti, Stefano;Caramazza, Alfonso
通讯作者：
Caramazza, Alfonso
任务上下文的教师意见建议推翻了人类顶叶皮层中与对象和类别相关的表征内容。
DOI：
--
发表时间：
2020
期刊：
Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature
影响因子：
--
作者：
C. Baker
通讯作者：
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非符号数比较过程中视觉参数对神经激活的影响及其与数学能力的关系
影响因子：
5.7
作者：
E. Wilkey;Jordan C. Barone;M. Mazzocco;Stephan E. Vogel;G. Price
通讯作者：
G. Price
左右忽视阅读障碍的比较
DOI：
--
发表时间：
1995
期刊：
影响因子：
--
作者：
克彦 武田
通讯作者：
克彦 武田
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影响因子：
5.7
作者：
Dagmar Zeithamova;Maria;A. Adke
通讯作者：
A. Adke