In a study comparing 46 severe COVID-19 patients with 460 matched controls, researchers found the mental impacts of severe COVID-19 six months later can be the equivalent to aging 20 years – going from 50 to 70 years old – or losing 10 IQ points.
The specific mental changes were also distinct to those seen in early dementia or general aging.
“Cognitive impairment is common to a wide range of neurological disorders, including dementia, and even routine aging, but the patterns we saw – the cognitive ‘fingerprint’ of COVID-19 – was distinct from all of these,” says neuroscientist David Menon from the University of Cambridge in the UK, who was senior author of the study.
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