This work is supported by the following grants: 1. Advanced Age: Designing a protocol for the Evaluation of Cognitive Functions and Quality of Life and Evidence-Based Interventions. Cross-border Cooperation Programme “Greece-Cyprus 2007-2013” , co-funded by European Union and National Funds. PI: P Simos. 2. Applied Neuroscience and Neurobehavioral Research Center, Research Promotion Foundation, Republic of Cyprus & European Regional Development Fund. PI: Dr. Fofi Constantinidou, Department of Psychology, University of Cyprus 3. Multidisciplinary Network for the Study of Alzheimer's Disease. PI: Dr. Alex Vgontas, School of Medicine, University of Crete.