Below is a list of articles from various sources regarding the positive effects of meditation on the brain for seniors dealing with Alzheimer's, Dementia and Memory Loss:
http://www.huffingtonpost.com/dharma-singh-khalsa-md/meditation-memory-loss_b_863932.html
http://www.medicalnewstoday.com/articles/242374.php
http://www.webmd.com/alzheimers/news/20100303/can-meditation-reverse-memory-loss
http://www.sharecare.com/health/stress-reduction/article/daily-meditation-to-prevent-memory-loss
http://communities.washingtontimes.com/neighborhood/communities-health-and-science-today/2012/nov/12/meditation-memory-loss-alzheimers-and-aging/
http://www.prevention.com/health/brain-games/mindfulness-meditation-slows-progression-alzheimers-and-dementia
http://www.medscape.com/viewarticle/815009
http://www.alzheimers.net/2013-11-25/how-meditation-can-slow-alzheimers/
http://www.helpguide.org/articles/alzheimers-dementia/alzheimers-and-dementia-prevention.htm
http://www.huffingtonpost.com/dharma-singh-khalsa-md/meditation-memory-loss_b_863932.html
http://www.medicalnewstoday.com/articles/242374.php
http://www.webmd.com/alzheimers/news/20100303/can-meditation-reverse-memory-loss
http://www.sharecare.com/health/stress-reduction/article/daily-meditation-to-prevent-memory-loss
http://communities.washingtontimes.com/neighborhood/communities-health-and-science-today/2012/nov/12/meditation-memory-loss-alzheimers-and-aging/
http://www.prevention.com/health/brain-games/mindfulness-meditation-slows-progression-alzheimers-and-dementia
http://www.medscape.com/viewarticle/815009
http://www.alzheimers.net/2013-11-25/how-meditation-can-slow-alzheimers/
http://www.helpguide.org/articles/alzheimers-dementia/alzheimers-and-dementia-prevention.htm