Articles by author - Michiko Koizumi

Salivary alpha-amylase levels and rejection of unfair offers in the ultimatum game.

Takagishi H, Fujii T, Kameshima S, Koizumi M, Takahashi T.

Journal Article 2009; 30(5): 643-646 PubMed PMID: 20035253  Keywords:  Adolescent, Choice Behavior:physiology, Decision Making:physiology, Emotions:physiology, Female, Games, Experimental, Humans, Neuropsychological Tests, Saliva:enzymology, Salivary alpha-Amylases:metabolism, Young Adult,.    Citation

OBJECTIVES: This study aimed to examine the role of emotions in rejection of unfair offers in an ultimatum game, which is of interest in n.....

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Neural correlates of the rejection of unfair offers in the impunity game.

Takagishi H, Takahashi T, Toyomura A, Takashino N, Koizumi M, Yamagishi T.

Journal Article 2009; 30(4): 496-500 PubMed PMID: 20010492  Keywords:  Cerebral Cortex:physiology, Decision Making:physiology, Emotions:physiology, Female, Game Theory, Games, Experimental, Gyrus Cinguli:physiology, Humans, Magnetic Resonance Imaging, Male, Social Behavior, Young Adult,.    Citation

OBJECTIVES: This study examined the roles of the insula and the anterior cingulate activations in the rejection of unfair offers in the im.....

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