Post-Covid Syndrome: from Biology to Neuropsychology
Background. Postcovid syndrome or Long COVID is a new term introduced into medical practice by WHO after the COVID -19 pandemic. Long COVID affects patients who have recovered from COVID -19.
Objectives. The purpose of this work is to understand cognitive deficits caused by COVID-19 from the point of view of neuropsychology and pathophysiology.
Data Sources. Literature search was conducted in the following electronic databases: Pubmed, Google.scholar and Scopus databases. 63 articles were selected. Keywords for the literature review included “neuropsychiatry/neuropsychology”, “pathophysiology”, “COVID-19”, “SARS-CoV-2”.
Methods. Review and analysis of COVID-19 studies in terms of its relation to the appearance of cognitive deficits in patients.
Results. The SARS-CoV-2 virus enters the human body and affects the structures of the brain. Some of the symptoms such as fatigue, shortness of breath, problems with concentration and memory, loss or change of taste and smell, pain in muscles and joints as well as sleep disorders are preserved in post-COVID period and may be explained by the peculiarity of the virus interaction with central nervous system. Neuropsychological analysis of observed disorders based on the theory of three functional blocks of the brain by A. R. Luria helps to identify the affected zones of the functional systems of higher mental functions (HMF). Neuropsychological assessment makes it possible to plan rehabilitation programme or cognitive training, and help doctor in choosing an adequate drug therapy to compensate for cognitive impairment.
Conclusions. SARS-CoV-2 causes damage to brain structures such as the brainstem, limbic system, prefrontal cortex and olfactory tract, which explains the observed symptoms. Neuropsychological diagnostics makes it possible to identify the impaired component of the HMF in patients with post-COVID syndrome, to plan an adequate rehabilitation programme, as well as to choose drug therapy.
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Recieved: 01/24/2023
Accepted: 02/08/2024
Published: 03/21/2024
Keywords: post-COVID conditions; Long COVID; neuropsychology; neuropsychiatry; higher mental functions
Available online since: 21.03.2024
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