The Role of Emotional Facial Expressions and Evolutionarily Relevant Source Information in Recognition and Source Memory
Tue—Casino_1.801—Poster2—5104
Presented by: Sezer Rengiiyiler
While most research investigating the influence of emotional facial expressions on cognitive processes adopts a dimensional approach, emerging evidence suggests that expressions conveying discrete emotions alter information processing based on their distinct communicative signal values (e.g., Whalen, 1998). Notably, previous work has demonstrated that fearful faces not only diffuse attention to contextual information but also enhance memory, while angry faces elicit higher recognition accuracy by focusing attentional resources on themselves (Davis et al., 2011; Taylor & Whalen, 2014). However, it remains unclear whether facial stimuli with divergent communicative values modulate source monitoring and source memory processes. Accordingly, this study examined whether fearful and angry faces, differing in two evolutionarily relevant source information qualities—group membership (in-group vs. out-group) and sex (Becker et al., 2010)—differentially affect recognition and source memory performance. Following an incidental encoding task, participants’ old/new recognition and source decisions were collected in a sequential source-monitoring test. Although the results demonstrated a recognition memory advantage for angry faces, this was attributed to response bias rather than recognition sensitivity. Thus, both angry and fearful faces induced a more liberal bias than neutral faces. Furthermore, irrespective of the response bias, recognition accuracy was higher for female faces than male faces. Finally, source memory performance for in-group faces exceeded that for out-group faces, regardless of emotional expression and sex. These findings underscore the necessity of considering additional emotional expressions with distinct ecological signal values and evolutionarily significant source information (e.g., kinship) when investigating the interplay between recognition and source memory.
Keywords: emotional faces, facial expressions, recognition memory, source memory, threat