In this study, it is aimed to compare the effects of cognitive exercises applied on long-term internet environment to the cognitive level of patients who received donepezil, memantine or donepezil / memantin combination therapy.

Inclusion Criteria:

• Patients between 55-90 years old who were diagnosed with Alzheimer's Dementia and had no history of cerebrovascular disease during the last 6 months,
• Patients without other neurodegenerative diseases and secondary dementia diagnoses,
• Patients with MOCA score of between 13-18,
• Patients with at least primary school graduation,
• Patients who have had no CNS disease including trauma in the last year,
• Patients without a diagnosis of psychiatric disease,
• Patients with a tablet or PC with an internet connection,
• Patients agreeing to perform BEYNEX daily activity at least 5 times per week,
• Patients signing informed consent form.

Exclusion Criteria:

• Patients who have hypersensitivity to study working drugs,
• Psychotic patients,
• Disabled patients with orthopedic dominant extremity,
• Patients with ICU follow-up due to trauma in the last 6 months,
• Patients with severe visual impairment or eye surgery,
• Patients who refuse to sign the informed consent form.