• openAccess   Dopamine, behavioral economics, and effort 

      Salamone, John; Correa, Merce; Farrar, Andrew M.; Nunes, Eric J.; Pardo Andrés, Marta Frontiers Research Foundation (2009)
      There are numerous problems with the hypothesis that brain dopamine (DA) systems, particularly in the nucleus accumbens, directly mediate the rewarding or primary motivational characteristics of natural stimuli such as ...