The neural processing of social norms in biculturals: The relation between cultural tightness and semantic processing

Perceptions of the appropriateness and inappropriateness of social norms across three ethnic groups in the U.S. were investigated using event-related potentials. N400 measures were elicited for appropriate versus inappropriate social scenarios from Asian American, Latinx, and European American participants along with self-reported perceptions of cultural tightness (Gelfand et al., 2011). As hypothesized, inappropriate scenarios elicited larger N400 responses compared to appropriate scenarios and the N400 was correlated with self-reported tightness in frontal electrodes. No differences across ethnic groups emerged in either self-reported tightness or in N400 response to norm deviations. Implications for norm adoption in bicultural individuals, replicability of previous findings, and culturally "embrained" processes of acculturation are discussed.