2Moyer R S, Landauer T K. Time required fur judgments of numeri- cal inequality. Nature , 1967 , 215 (5109) : 1519.
3Kaufman E L, Lord M W, Reese T, et al. The discrimination of vis- ual number. American Journal of Psychology, 1949, 62:498 - 525.
4Dehaene S, Bossini S, Giraux P. The Mental Representation of Par- ity and Number Magnitude. Journal of Experimental Psychology: General, 1993,3 ;371 - 396.
5Dehaene S. The organization of, brain activations in number compari- son : even - related potentials and additive--factors method. Journal of cognitive neuroscience, 1996, 8 ( 1 ) : 47 - 68.
6Pinel P, Dehaene S, Riviere D, et al. Modulation of parietal activa- tion by semantic distance in a number comparison task. Neurolmag, 2001, 14(5) : 1013 -1026.
7Dehaene S. The psychophysics of numerical comparison-a reexamination of apparently incompatible data. Perception and Psychophysics, 1989, 45(6): 557~566
8Dehaene S, Dupoux E, Mehler J. Is numerical comparison digital-analogical and symbolic effects in 2-digit number comparison. Journal of Experimental Psychology: Human Perception and Performance, 1990, 16(3): 626~641
9Link S. Modeling imageless thought-the relative judgment theory of numerical comparisons. Journal of Mathematical Psychology, 1990, 34(1): 2~41
10Johnson D M. Confidence and speed in the two-category judgment. Archives of Psychology, 1939, 241:1~52