Malleability of the approximate number system: effects of feedback and training.
Malleability of the approximate number system: effects of feedback and training.
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DOI：
10.3389/fnhum.2012.00068
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发表时间：
2012
影响因子：
2.9
通讯作者：
Brannon EM
中科院分区：
文献类型：
--
作者：
Dewind NK;Brannon EM
先前的研究表明，动物和人类共享一个近似数字系统（ANS），其特征是比率依赖性，并且该系统的精度随着人类的发展而大幅增加。本研究的目的是调查的延展性的ANS（韦伯分数测量）在成年受试者在响应反馈，并探讨ANS敏锐度和敏锐度之间的关系，另一个幅度比较任务。我们测试了20名受试者在6个1小时的会议。主要发现是：（a）当在第二次训练中引入逐个试验反馈时，韦伯分数迅速下降，并在继续训练中保持稳定;（B）当在第六次训练中取消逐个试验反馈时，韦伯分数保持稳定;（c）来自数字比较任务的韦伯分数与来自线长比较任务的韦伯分数呈正相关，（d）韦伯分数的改善，以回应反馈的数字任务并没有转移到线长任务。（e）最后，精度的ANS是正相关的数学，但不是口头，标准化的能力倾向分数。潜在的神经相关的感知信息和决策过程被认为是，和预测有关的神经相关的ANS延展性进行了讨论。
Prior research demonstrates that animals and humans share an approximate number system (ANS), characterized by ratio dependence and that the precision of this system increases substantially over human development. The goal of the present research was to investigate the malleability of the ANS (as measured by Weber fraction) in adult subjects in response to feedback and to explore the relationship between ANS acuity and acuity on another magnitude comparison task. We tested each of 20 subjects over six 1-h sessions. The main findings were that (a) Weber fractions rapidly decreased when trial-by-trial feedback was introduced in the second session and remained stable over continued training, (b) Weber fractions remained steady when trial-by-trial feedback was removed in session 6, (c)Weber fractions from the number comparison task were positively correlated with Weber fractions from a line length comparison task, (d) improvement in Weber fractions in response to feedback for the number task did not transfer to the line length task, (e) finally, the precision of the ANS was positively correlated with math, but not verbal, standardized aptitude scores. Potential neural correlates of the perceptual information and decision processes are considered, and predictions regarding the neural correlates of ANS malleability are discussed.
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影响因子：
2.6
作者：
Lipton, JS;Spelke, ES
通讯作者：
Spelke, ES
影响因子：
3.2
作者：
DEHAENE, S;CHANGEUX, JP
通讯作者：
CHANGEUX, JP
影响因子：
4.8
作者：
Dormal, Valerie;Pesenti, Mauro
通讯作者：
Pesenti, Mauro
DOI：
10.3758/bf03212674
发表时间：
1972-01-01
期刊：
PERCEPTION & PSYCHOPHYSICS
影响因子：
--
作者：
KRUEGER, LE
通讯作者：
KRUEGER, LE
影响因子：
1.6
作者：
GINSBURG, N
通讯作者：
GINSBURG, N