![]() attention, which allows our brains to actively process information that is happening around us while simultaneously ignoring other details.Cognitive impairment is a reduction in your ability to perform one or more thinking skills.Īmong people who were hospitalized for COVID, a wide range of problems with cognition have been reported. What is cognition?Ĭognition refers to processes in the brain that we use to think, read, learn, remember, reason, and pay attention. But we do know that this form of brain fog can affect different aspects of cognition. However, we don't really understand why brain fog happens after COVID-19, or how long these symptoms are likely to last. ![]() In many cases, brain fog is temporary and gets better on its own. Brain fog can also occur following chemotherapy or a concussion. What is brain fog?īrain fog, a term used to describe slow or sluggish thinking, can occur under many different circumstances - for example, when someone is sleep-deprived or feeling unwell, or due to side effects from medicines that cause drowsiness. ![]() Those who come to our cognitive clinic are among the estimated 22% to 32% of patients who recovered from COVID-19, yet find they still have brain fog as part of their experience of long COVID, or post-acute sequelae of SARS CoV-2 infection (PASC), as experts call it. They can't think of a specific word they want to use, and they are uncharacteristically forgetful. As a neurologist working in the COVID Survivorship Program at Beth Israel Deaconess Medical Center, I find that my patients all have similar issues. ![]()
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