Investigating the visual number form area: a replication study

Investigating the visual number form area: a replication study
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研究视觉数字形式区域:复制研究

DOI:
10.1098/rsos.182067
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发表时间:
2019
影响因子:
3.5
通讯作者:
Ansari, Daniel
Ansari, Daniel
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Merkley, Rebecca;Conrad, Benjamin;Price, Gavin;Ansari, Daniel

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有影响力的数字表征三码模型提出,三种不同的数字表征有三个不同的大脑区域:口头词汇、视觉数字和抽象数量级。据推测,数字形成区域位于腹侧枕颞皮层(vOTC),靠近其他视觉类别特定区域,如视觉单词形成区域。然而,神经影像学研究寻找一个区域,以特定类别的方式对数字符号的视觉呈现做出反应,结果不一致。Price & Ansari (Price, Ansari 2011, neuroimage57, 1205-1211)研究了被动观看数字时是否有哪个区域比被动观看字母和视觉上相似的无意义符号时更活跃,并确定了左角回中的一个区域。相比之下,Grotheeret等(Grotheer, Herrmann, Kovács 2016J.)。神经科学,36,88-97)发现,在执行单回任务时,双侧vOTC区域在对数字的反应中比其他刺激类别更活跃。在目前的研究中,我们的目标是用Price & Ansari的被动观看任务来重复Grotheeret等人的研究结果,因为这是自下而上、感觉驱动、特定类别感知的最严格的测试。此外,我们使用了两篇论文中报告的对比,以检验结果的差异是否可以归因于分析的差异。
The influential triple-code model of number representation proposed that there are three distinct brain regions for three different numerical representations: verbal words, visual digits and abstract magnitudes. It was hypothesized that the region for visual digits, known as the number form area, would be in ventral occipitotemporal cortex (vOTC), near other visual category-specific regions, such as the visual word form area. However, neuroimaging investigations searching for a region that responds in a category-specific manner to the visual presentation of number symbols have yielded inconsistent results. Price & Ansari (Price, Ansari 2011Neuroimage57, 1205–1211) investigated whether any regions activated more in response to passively viewing digits in contrast with letters and visually similar nonsense symbols and identified a region in the left angular gyrus. By contrast, Grotheeret al. (Grotheer, Herrmann, Kovács 2016J. Neurosci.36, 88–97) found bilateral regions in vOTC which were more activated in response to digits than other stimuli categories while performing a one-back task. In the current study, we aimed to replicate the findings reported in Grotheeret al. with Price & Ansari's passive viewing task as this is the most stringent test of bottom-up, sensory-driven, category-specific perception. Moreover, we used the contrasts reported in both papers in order to test whether the discrepancy in findings could be attributed to the difference in analysis.
探索视觉数字形式区域的起源和发展:用于处理数字符号的功能专业化和特定领域的区域?
DOI: 10.1523/jneurosci.0710-16.2016
发表时间: 2016
期刊: The Journal of Neuroscience
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发表时间: 2011-01-01
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DOI: --
发表时间: 2018
期刊: PLoS ONE
影响因子: 3.7
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通讯作者: Kenny Skagerlund