Zentangle.com  

 TanglePatterns.com

"More Than Metaphor", Carol Ohl's Blog entry August 21 , 2010

"Zentangles: Meditative Art Practice For Dementia" Rev. Katie Norris's Blog entry 12/7/11
http://www.movinginwithdementia.com/2011/12/zentangles-meditative-art-practice-for.html

"Assessing the Correlation Between Participating  in a Zentangle® Art Class and Well-Being"
©2012 John Nordell
http://www.createlookenjoy.com/p/research-zentangle-and-well-being.html

"Zentangle Provides Relief From Medication Withdrawal and Parkinson’s Disease"
http://tanglepatterns.com/2014/02/stories-tangling-with-parkinsons-disease.html
(Scroll through the Comments section on that page for even more descriptions of relief from tremor symptoms)

"Using "Zentangles" in Recovery"
http://masscouncil.blogspot.com/2012/05/using-zentangles-in-recovery.html

"Zentangle: a fresh take on the age-old doodle" By Jessie Kuenzel simmonsvoice
http://simmonsvoice.com/2014/02/11/zentangle-a-fresh-take-on-the-age-old-doodle/

"Kids Who Doodle
Time Waster or Concentration Booster?" By Michele Ranard Published 2010
http://www.sandiegofamily.com/resources-by-age/big-kid/730
"What Does Doodling Do?"
(study referenced in above article)
By Jackie AndradeSchool of Psychology, University of Plymouth, UK
Appl. Cognit. Psychol. ppl. Cognit. Psychol. (2009) DOI: 10.1002/acp.
Published online in Wiley InterScience
http://www.xarxanoticies.cat/media/000000000002415/000000001207002.pdf