Dartmouth Cognitive Study (image) Dartmouth College Caption Dartmouth researchers have found that children growing up in rural poverty score significantly lower on visual working memory tests than their urban counterparts. However, children in urban poverty score slightly lower on tests of verbal working memory. Credit Michele Tine Usage Restrictions Must credit Michele Tine. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.