The Effect Of Working Memory Load,Mood Induction And Impulsive Personality On Delay Discounting

Delay Discounting(DD)is a mental phenomenon to describe subjective value of the delayed rewards will decrease as time goes by.Using delay discounting rate(k)to interpret DD.k is high means subjective value decreased as time goes by,and individuals prefer to choose smaller and instant rewards.K is low means subjective value not decreased as time goes by,and individuals might chose bigger and delayed rewards.There are many factors can affect DD,suc h as optional attribute,decision-makers themselves and so on.In order to find out how instant mental state and personality trait affect DD,the study chose working memory load and mood state on different impulsive personality university students to find out how they affect DD.This study includes two experiments.The first experiment is to study how working memory load affect DD on impulsive personality university students.The second experiment is to find out how mood induction affect DD on impulsive personality university students.The main findings are as follows:(1)Working memory load affect high impulsive personality university students' DD.They prefer instant rewards when they are under working memory load.(2)Negative mood state affect impulsive personality university students' DD.They prefer instant rewards when they are in negative mood state.(3)Working memory load and negative mood led higher discounting rate on higher impulsive personality university students.(4)Results support the dual system model that DD affect by both hot and cool system,but the effect shows difference on different impulsive personality university students.