The study was conducted in the Thessaloniki (Greece), in various centers. It was part of the Long Lasting Memories (LLM) project (www.longlastingmemories.eu), which was funded by the European Commission (Information and Communication Technologies Policy Support Program (ICT-PSP) for a three year period (2009-2012). It used a pre-post-test design with the between-participant factor group [intervention(s) vs. passive and/or active control]. Post-test was conducted within 2 weeks after completion of the exercise period. Interventions were carried out in Thessaloniki (Greece) within day care centers, hospitals, senior care centers, a memory outpatient center, local parishes, and at participants' homes.