Detecting social interaction during the Prisoner's Dilemma Game using EEG hyperscanning = 뇌파 동시측정을 이용한 죄수의 딜레마 게임 도중 사회적 상호작용에 관한 연구

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Social interaction is an important feature in human relationship. It is achieved not only through verbal communication but also through non-verbal communication, such as eye-contact. Because decision-making most often occurs in social contexts, one can say that decision-making reflects the social aspect of human beings. Humans usually tend to make decision that serves their own interests. However, the natural human concern for others’ well-being leads to cooperative behavior rather than competitive behavior. The human in-clination for cooperative behavior suggests that social interaction highly affects the conse-quence of economic decision-making. In this thesis, we used an EEG hyperscanning to in-vestigate varying neural mechanisms of economic decision-making depending on the dif-ferent levels of social interaction during participation in the iterated Prisoner’s Dilemma Game (PDG). 64 male subjects participated in this study. We modulated the level of social interaction by dividing participants into two groups: participants from one group played the game face-to-face and those from the other group played the game blocked, without facing each other. EEGs were recorded from 40 subjects, 20 subjects from each group respective-ly. EEGs were simultaneously recorded using dual EEG systems. Behavioral results showed that mutual cooperation between players was more frequent in the face-to-face PDG. Our time-frequency analysis and source localization results suggested that the superi-or parietal lobule (SPL) plays a key role in social interaction together with the cuneus (CUN) and the precuneus (PC) during the face-to-face communication. Moreover, the acti-vation of the SPL may lead players to cooperate in the context of the PDG. Intra-brain and inter-brain analyses further revealed the significant neural synchronization across the frontal lobe, the temporal lobe, and the parietal lobe within the brain and between brains during face-to-face communication; the neural s...
Advisors
Jeong, Jae-Seungresearcher정재승
Description
한국과학기술원 : 바이오및뇌공학과,
Publisher
한국과학기술원
Issue Date
2013
Identifier
566277/325007  / 020113536
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 바이오및뇌공학과, 2013.8, [ iv, 42 p. ]

Keywords

social interaction; 뇌파 동시측정; 죄수의 딜레마 게임; 경제적 의사결정; 사회적 상호작용; EEG hyperscanning; economic decision-making; Prisoner`s Dilemma Game

URI
http://hdl.handle.net/10203/196301
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=566277&flag=dissertation
Appears in Collection
BiS-Theses_Master(석사논문)
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