The wick in the candle of learning: epistemic curiosity activates reward circuitry and enhances memory
Psychological Science (2009) - Comment
pubmed: 19619181  doi: 10.1111/j.1467-9280.2009.02402.x  issn: 1467-9280  issn: 0956-7976 

Min Jeong Kang, Ming Hsu, Ian M. Krajbich, George Loewenstein, Samuel M. McClure, Joseph Tao-yi Wang, Colin F. Camerer