Illustration of the roles of dopaminergic neurons in different behaviors. Evidence for the involvement of a given set of neurons is indicated with a filled square in the legend, while evidence against is indicated by an X. Squares connected with a line indicates evidence for the indivisible set of neurons in a behavior. MBN: mushroom body neuron. References: 1Schroll et al., 2006; 2Claridge-Chang et al., 2009; 3Aso et al., 2010; 4Aso et al., 2012; 5Liu et al., 2012; 6Riemensperger et al., 2005; 7Mao and Davis, 2009; 8Krashes et al., 2009; 9Berry et al., 2012; 10Placais et al., 2012; 11Bang et al., 2011; 12present study.