PhD conferral Mr. Pim R.A. Heckman, MSc. 4 July 2017 12:00 Supervisor: prof.dr. J.G. Ramaekers Co-supervisors: dr. J.H.H.J. Prickaerts, dr. A. Blokland “Targeting phosphodiesterase type 4 for improving cognitive fronto-striatal functioning: a translational approach”