EEG synchronisation reveals the impact of group identity and membership duration on social cognitive bias

• Published in: Scientific reports Vol. 15; no. 1; pp. 23719 - 13
• Main Authors: Sanada, Motoyuki, Naruse, Yasushi
• Format: Journal Article
• Language: English
• Published: London Nature Publishing Group UK 03.07.2025; Nature Publishing Group; Nature Portfolio
• Subjects: 631/378; 631/378/2645; 631/378/2649; Adult; Attention; Attention - physiology; Bias; Brain research; Cognition & reasoning; Cognition - physiology; Cognitive bias; EEG; Electroencephalography; Female; Group identity; Humanities and Social Sciences; Humans; Information processing; Inter-subject correlation; Male; Membership duration; multidisciplinary; Professional baseball; Science; Science (multidisciplinary); Social Cognition; Social Identification; Social identity; Synchronisation; Visual perception; Young Adult; Membership duration; Inter-subject correlation; Synchronisation; EEG; Cognitive bias; Group identity

Group identity induces social cognitive biases, and membership duration may amplify these effects. This study aimed to examine such bias by analysing similarities in neural processing among individuals in competitive scenarios. The fans of two Japanese baseball teams, the Hanshin Tigers and Orix Buf...