Those who have experienced a severe form of Covid-19 may experience cognitive decline equivalent to ageing 20 years or losing 10 IQ points. So say scientists from Cambridge University and Imperial College London.
It appears to be a similar decline that people typically experience between the ages of 50 and 70 In a new study†It is very likely that some will not fully recover,’ added one of the co-scientists, Professor David Menon.
This provides further evidence for the statement that corona infection can cause persistent cognitive and mental problems and that these can persist for months, if eliminated completely.
Possible symptoms include fatigue, brain fog, difficulty remembering words, sleep disturbances, anxiety, and even post-traumatic stress disorder.
Although patients with a mild form of Covid-19 can also develop cognitive problems, especially those with the severe form have complaints. That’s three-quarters of patients who will be in the hospital and still have problems after six months.
The study looked at data from 46 patients who were admitted between March and July 2020 at Addenbrooke’s Hospital, a world-renowned teaching hospital in Cambridge. They underwent a series of cognitive tests over an average of six months after their illness, which measured their memory, attention and logical skills, among other things. The results were compared with those of the control group.
People who have contracted Covid-19 have proven to be less accurate and slower to respond. Differences remained noticeable after six months. The effect was strongest in people who used a ventilator, but according to the study, people who weren’t sick enough to be admitted to hospital could also develop mild problems.
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