Negative social media posts correlated with changes in the brain’s fear network during the COVID-19 lockdown
A recent study suggests that collective emotional stress during the COVID-19 lockdown was associated with changes in the brain. Researchers found that negative public mood on social media correlated with reduced metabolism in emotional regulation centers.
A recent study published in Frontiers in Nuclear Medicine has revealed a correlation between negative social media posts and changes in the brain's fear network during the COVID-19 lockdown. Researchers examined brain scans of patients during France's national lockdown in March and May 2020, comparing them to daily negative-emotion levels derived from approximately 2.6 million French tweets.
The findings suggest that on days with higher collective negative emotions, patients displayed reduced activity in areas responsible for emotional regulation, specifically the right ventromedial prefrontal cortex and the anterior cingulate cortex. These regions play crucial roles in regulating fear, stress, and emotions. While the study did not establish a direct cause-and-effect relationship, it highlights the potential for societal stress to have measurable neurological impacts on vulnerable populations.
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