Anandi Mani1, Sendhil Mullainathan2, Eldar Shafir3, Jiaying Zhao4. Poverty Impedes Cognitive Function. Science 30 August 2013: Vol. 341 no. 6149 pp. 976-980 http://www.sciencemag.org/content/341/6149/976
http://www.theguardian.com/science/2013/aug/29/poverty-menta...