Investigation of the Effect on Cognitive Skills of COVID-19 Survivors (Cognitive)

Inclusion Criteria: Electronic records and contact information (address, telephone) of individuals who were diagnosed with COVID-19 in Erzincan Tercan State Hospital and whose COVID-19 test became negative within one year after being placed in home quarantine with outpatient treatment, Individuals are between the ages of 50-70, A score of 20 or less on the Montreal Cognitive Assessment Scale, To be at least primary school graduate, Being residing in the Tercan district of Erzincan, Being able to perform self-care activities independently, Good general condition, Having a smart phone or having a smart phone in one person in the household, For individuals in the trekking and intelligence game group, for one month It indicates that there is no harm in taking a nature walk for 30 minutes three days a week, having the approval of the physician. Agreeing to participate in the research. Exclusion Criteria for Research Positive COVID-19 (PCR) test result, Being visually and hearing impaired, Having a balance problem Using a cane or walker while walking, Being dependent on a bed or a wheelchair, Parkinson's, dementia, Alzheimer's diagnosis, Getting a diagnosis of cancer, Having a history of central nervous system disease that may cause cognitive dysfunction (stroke, head trauma, tumor, epilepsy, movement disorder diseases), Using antipsychotics, antidepressants, mood stabilizers, antiepileptics, benzodiazepines and medications that may interfere with the evaluation, Having undergone any surgery to prevent walking, Having a condition that prevents walking (musculoskeletal problems, joint problems, fracture, neuropathy, chronic severe pain, loss of limb). Exclusion Criteria Do not be hospitalized for any reason, Change of residence, emigration, death, Having an infection that requires isolation, Worsening of the general condition, Inclusion in another aerobic exercise program, Unwillingness to continue research.