This systematic review summarizes cultural variations in emotional facial expression production across different age groups, indicating interesting patterns.
Key Points
The review aims to clarify how culture influences the production of emotional facial expressions.
Conducted a systematic review of 21 peer-reviewed articles
Categorized findings into four groups: spontaneous expressions, posed expressions, comparison of both, and others
Examined differences in production based on child/infant and adult studies
Emotional facial expression production is largely universal but shows cultural variations
Notable differences exist between spontaneous and posed expressions
Cultural nuances are apparent in both adults and children but differ in specific contexts.