Is there a general motivation center in the depths of the brain?

Is there a general motivation center in the depths of the brain?: A team coordinated by Mathias Pessiglione, Inserm researcher at the Centre de recherche en neurosciences de la Pitié Salpêtrière have identified the part of the brain driving motivation during actions that combine physical and mental effort: the ventral striatum. The results of their study were published in PLoS Biology on Feb. 21, 2012.