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Brain-scans and cognitive tests of 785 UK Biobank participants (401 positive cases) suggests COVID-19 is associated with, at least temporary, changes to the brain that include: [64] (greater) "reduction in grey matter thickness and tissue contrast in the orbitofrontal cortex and parahippocampal gyrus ;"
Feeling some dizziness? Experts say vertigo is serious and can be a sign of COVID-19. Here’s what to know about the symptom and when to see a doctor.
The peer-reviewed study, published in the Nature journal, investigated brain changes in 785 participants aged 51–81 whose brains were scanned twice, including 401 people who caught COVID between ...
[1] [2] When intelligence quotient (IQ) tests are initially standardized using a sample of test-takers, by convention the average of the test results is set to 100 and their standard deviation is set to 15 or 16 IQ points. When IQ tests are revised, they are again standardized using a new sample of test-takers, usually born more recently than ...
The types of intelligence analyzed in this review were fluid intelligence (Gf), general intelligence (g), and crystallized intelligence (Gc). Early studies utilized information from patients with brain damage, noticing changes in intelligence scores that correlated to certain regions of the brain.
The authors of the new report said this isn’t the first demonstrated case of prion disease following Covid-19 infection: It’s happened at least three other times since the virus emerged.
Longer-term effects of COVID-19 have become a prevalent aspect of the disease itself. These symptoms can be referred to as many different names including post-COVID-19 syndrome, long COVID, and long haulers syndrome. An overall definition of post-COVID conditions (PCC) can be described as a range of symptoms that can last for weeks or months. [83]
Or perhaps you’re taking medications that affect blood flow to the brain. Not all bouts of dizziness are alike either. Some people feel like they’re going to faint or are about to fall.