Neurocognitive Functions of Recovered COVID-19 Patients

Inclusion Criteria: * Recovered COVID-19 patients or uninfected residents in Wuhan, with an education level above elementary school and are able to complete cognitive tasks; * Willing to participate in this study and sign informed consent. Exclusion Criteria: * Subjects with body temperature\> 38°C; * Subjects who are in menstruation and pregnancy; * Subjects suffering from cardiopulmonary diseases before the new coronary pneumonia epidemic (such as heart disease, pulmonary hypertension, congestive heart failure, etc.); * Subjects with severe disturbances in consciousness, cognitive dysfunction, mental disorders, visual and hearing disorders, bone and joint diseases, etc.; * Subjects with abnormal immune system and severe organ dysfunction (heart, liver, kidney, etc.); * Subjects who are unwilling to participate in this study and cannot complete all surveys and cognitive function tests.