Cognitive impairment(2) described(1) COVID-19(1) demonstrated(1) Infection(1) was recorded(1) memory(1) Long-COVID-19 syndrome(1) Patient(1) manifestation(1) LILACS(1) Result(1) was used(1) serology(1) executive(1) database(1) SARS-CoV-2.(1) PCR(1) Frequency(1) Topic(1) SCD(1) performed(1) pandemic(1) addressed(1) systematic review(1) with COVID-19(1) clinical manifestations(1) Neuropsychological abnormalities(1) dysfunction(1) functions(1)