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COVID-19 linked to 'significant' drop in intelligence: research
Another reminder that COVID-19 infections can have longer-term impacts even among individuals that have otherwise recovered.
Individuals who recovered from COVID-19, including those who no longer had symptoms, exhibited significant “cognitive deficits,” according to a large study out of the U.K.
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The cognitive deficits were particularly pronounced for test tasks that involved reasoning, problem solving, spatial planning and target detection, while those who had COVID-19 fared better when they were asked to complete simpler tasks, such as working memory span and emotional processing.
“These results accord with reports of long-COVID, where ‘brain fog’, trouble concentrating and difficulty finding the correct words are common,” the authors noted. “Recovery from COVID-19 infection may be associated with particularly pronounced problems in aspects of higher cognitive or ‘executive’ function.”
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The cognitive deficits were particularly pronounced for test tasks that involved reasoning, problem solving, spatial planning and target detection, while those who had COVID-19 fared better when they were asked to complete simpler tasks, such as working memory span and emotional processing.
“These results accord with reports of long-COVID, where ‘brain fog’, trouble concentrating and difficulty finding the correct words are common,” the authors noted. “Recovery from COVID-19 infection may be associated with particularly pronounced problems in aspects of higher cognitive or ‘executive’ function.”
Another reminder that COVID-19 infections can have longer-term impacts even among individuals that have otherwise recovered.