Neurophysiological signatures of approximate number system acuity in preschoolers

被引：2
作者：
Pinhas, Michal [1 ]
Paulsen, David J. [2 ,3 ]
Woldorff, Marty G. [2 ,3 ,4 ,5 ]
Brannon, Elizabeth M. [6 ]
机构：
[1] Ariel Univ, Dept Psychol, IL-4070000 Ariel, Israel
[2] Duke Univ, Ctr Cognit Neurosci, Durham, NC 27708 USA
[3] Duke Univ, Dept Psychol & Neurosci, Durham, NC 27708 USA
[4] Duke Univ, Dept Neurobiol, Durham, NC 27708 USA
[5] Duke Univ, Dept Psychiat, Durham, NC 27708 USA
[6] Univ Penn, Dept Psychol, Philadelphia, PA 19104 USA
来源：
TRENDS IN NEUROSCIENCE AND EDUCATION | 2023年 / 30卷
关键词：
Approximate number system; Event -related potential; Numerical -ratio effect; Approximate number system acuity; Weber fraction; EVENT-RELATED POTENTIALS; INDIVIDUAL-DIFFERENCES; INTRAPARIETAL SULCUS; NUMERICAL MAGNITUDES; SYMBOLIC NUMBER; BRAIN; NUMEROSITY; CHILDREN; SENSE; MATH;
D O I：
10.1016/j.tine.2022.100197
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
Background: A hallmark of the approximate number system (ANS) is ratio dependence. Previous work identified specific event-related potentials (ERPs) that are modulated by numerical ratio throughout the lifespan. In adults, ERP ratio dependence was correlated with the precision of the numerical judgments with individuals who make more precise judgments showing larger ratio-dependent ERP effects. The current study evaluated if this relationship generalizes to preschoolers. Method: ERPs were recorded from 56 4.5 to 5.5-year-olds while they compared the numerosity of two sequentially presented dot arrays. Nonverbal numerical precision, often called ANS acuity, was assessed using a similar behavioral task. Results: Only children with high ANS acuity exhibited a P2p ratio-dependent effect onsetting -250 ms after the presentation of the comparison dot array. Furthermore, P2p amplitude positively correlated with ANS acuity across tasks. Conclusion: Results demonstrate developmental continuity between preschool years and adulthood in the neural basis of the ANS.
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页数：7
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