Right Hemispheric Advantage of Novel Semantic Association in Chinese

[Speaker] Wei, Linlin:1
[Co-author] Zhou, Zhijin:1, Zhao, Qingbai:1, Li, Ying:1, Zhao, Lili:1
1:Key Laboratory of Adolescent CyberPsychology and Behavior (CCNU), Ministry of Education, Central China Normal University, (China (People's Republic of China))

Formation of novel association is an important process of creative thinking. There is a considerable controversy about whether right brain dominates in associating novel semantic information. In the current study, Chinese two-part allegorical sayings are used to certify the role of right brain in forming novel semantic association. In Experiment 1, participants were asked to comprehend the allegorical sayings with novel or common association without reaction. fMRI results showed that the right superior temporal gyrus was more activated in novel semantic association condition. In Experiment 2, participants were required to estimate the type of association between the two parts, novel, common or no association. ERP results showed that novel semantic association condition elicited a more positive ERP deflection than common semantic association condition between 650 and 900ms over the fronal and temporal scalp sites in right hemisphere. These results support the right brain advantage in forming novel semantic associations.
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