In Aristotle's Rhetoric, it was defined that the emotions are all those feelings that so change men as to affect their judgments, and that are attempted by pain or pleasure. That is, rational and cognitive decisions are somewhat susceptible to emotions which lead our thoughts in specific way. Therefore, how people feel about the world can strongly influence their decision including motivations, attitude and even performances.
Even though emotions are pervasive and intrinsic in human life, the impact of emotions has been undervalued so far. However, even in the computer mediated communication considered lack of emotions, people have been developed various methods in order to express emotions, alternatively proving the importance of managing emotions. Hence, present study examined the effect of emotions, especially delivered by emoticons, on trust and distrust decisions. It was investigated that emoticons influenced to trust and distrust decision. The point to note is that the influence of emoticons was different from social and cultural milieu in which the context they used. That is, when decision maker is in risky situation and anticipates potential loss, emotions are likely to influence on their decisions. Also, it was found that emotions can influence to even cognitive decisions unbeknownst to human perception by using fMRI