1. Core knowledge;EE Spelke,2007
2. Newborn infants perceive abstract numbers;V Izard,2009
3. Number-space mapping in the newborn chick resembles humans’ mental number line;R Rugani,2015
4. Number sense across the lifespan as revealed by a massive Internet-based sample;J Halberda,2012
5. The number sense: How the mind creates mathematics;S Dehaene,1997