People who show low social engagement over long periods of time often show reductions in cognitive function. Studies of the brain may provide clues about this correlation.
by Catherine Offord
“Studies of animals and people experiencing isolation have identified several brain structures that appear to be affected by a lack of social interaction. Although these studies can’t identify causal relationships—and don’t always agree with one another—they shine a light on some of the mechanisms by which physical isolation, or feelings of loneliness, could impair brain function and cognition.
“Daisy Fancourt was at her home in Surrey in southeast England when the UK government formally announced a nationwide lockdown. Speaking in a televised address on March 23, UK Prime Minister Boris Johnson laid out a suite of measures designed to curb the spread of COVID-19, including closing public spaces and requiring people to stay home except for exercise and essential tasks. For Fancourt, an epidemiologist at University College London (UCL), the announcement meant more than just a change to her daily life. It was the starting gun for a huge study, weeks in the planning, that would investigate the effects of enforced isolation and other pandemic-associated changes on the British public.”
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