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Fig. 6.
Stimulus-locked ERPs of the extreme categories at the CZ electrode
Fig. 7.
ERPs of the colored frame stimulus
4 Conclusion
The experimental analysis shows three considerable results. First, there are no ob-
vious differences between the bisection method and the CE method at the presentation
of risk as well as for the behavioral data. Second, differences appear in the ERPs
concerning the inner number categories. Third, the category C+300 in particular pro-
duces a high positive potential for the YES answers under the lottery condition.
The characteristic of the evoked ERPs within the time period of 450-600 ms post-
stimulus shows that a P3 is existent. Given the assumption that a P3 reflects a
task-related attention [13-16], the statement can be made that a higher positive poten-
tial represents higher attention on that stimulus.
The ANOVAs of the inner number stimulus revealed a very high significance for
the time period of 450-600 ms, with the consequence that this stimulus will probably
cause differences. ERPs of categories near the center position have a lower positive
