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Alternative TitleTwo Representation Systems of Number
王乃弋; 罗跃嘉; 李红
Source Publication心理科学进展
Contribution Rank3
Other AbstractNumerical representation is the basis of mathematical abilities. A hot topic about numerical representation is whether there are two distinct numerical representation systems: the small precise number system and the large approximate number system. The article reviewed researches on numerical representations in different fields, and summarized evidences supporting the dissociation between the two systems. Numerical representation within the range of 1~3 had a set-size signature was proposed to base on attention to objects themselves per se. Therefore it was sensitive to perceptive properties of objects, and was precise representations about numerosities. While numerical representation for numbers above 4 had a Weber ratio signature. It was suggested to base on analog magnitudes, and was approximate representations of numerosities. However, evidences from the brain imaging field had not gained agreement on this issue. At last, the article brought forth the potential questions about the two basic numerical representation hypothesis
Keyword数量表征 精确表征系统 "感数" 近似表征系统 空间注意
Subject Area认知心理学
Indexed ByCSCD
Funding Organization国家自然科学基金项目(30370488,30325026);教育部重点基金项目
Funding Project国家自然科学基金项目(30370488,30325026);教育部重点基金项目
Citation statistics
Cited Times:4[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author罗跃嘉
Recommended Citation
GB/T 7714
王乃弋,罗跃嘉,李红. 两种数量表征系统[J]. 心理科学进展,2006,14(4):610-617.
APA 王乃弋,罗跃嘉,&李红.(2006).两种数量表征系统.心理科学进展,14(4),610-617.
MLA 王乃弋,et al."两种数量表征系统".心理科学进展 14.4(2006):610-617.
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