Pandemic-era children show altered brain responses to facial expressions, with a reduced neural response to happy faces. One possible explanation is that happy expressions may have decreased during the pandemic, due to both mask-wearing and the emotional toll experienced by caregivers.

[u/worldnewsbot]

https://www.psypost.org/pandemic-era-children-show-altered-brain-responses-to-facial-expressions-new-study-finds/