Inclusion Criteria:  having clinical AD diagnosis according to the NINCDS-ADRDA (National Institute of Neurological and Communicative Diseases and Stroke/Alzheimer's Disease and Related Disorders Association) criteria being 60 years and older having Clinical Dementia Rating Scale (CDR) scores 1 or 2 living independently  Exclusion Criteria:  not being able to walk independently, having physical disabilities, having a history of alcohol / substance abuse, having head trauma having epileptic seizures