Subliminal perception is an important issue recently. Subliminal stimulus can have some effect on human cognition and emotion, then behavior. But most of the studies were using the priming paradigm and there were few studies about sustained subliminal stimulus. There were also few studies about bi-model subliminal perception. And few research about effect of subliminal perception on the result of gaming. Sustained subliminal stimulus were used in this study to affect the subjects’ emotion when playing gaming. The mainly contents of this study include: First, to study the effect of sustained subliminal auditory stimulus on human emotion and emotion related decision. Secondly, to study the effect of sustained subliminal visual stimulus on human emotion and emotion related decision. Thirdly, to study the effect of sustained subliminal bi-model stimulus on human emotion and emotion related decision. Fourthly, to study the effect of the difference between supraliminal stimulus and subliminal stimulus on human emotion. The study showed that, in the gaming, subliminal visual, auditory and bi-modal stimulus can have significant effect to human emotion and emotion related decision, and the effect of bi-modal is better than single model. And the effect of subliminal stimulus to emotion is better than supraliminal stimulus.
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