Inclusion Criteria:  Age 18-65 years Male Right handed subjects IQ > 70 Healthy participants, as determined by history, clinical investigation and investigator's judgment No history of central nervous system condition No chronic intake of neurotropic drugs TMS Safety Screening questionnaire and informed consent signed  Exclusion Criteria:  Pregnancy, short-term birth wish or childbearing age without adequate birth control Intracranial metal hardware (excluding dental filling): surgical clips, shrapnell, electrodes under the stimulation area Presence of pacemaker, implantable cardioverter-defibrillator (ICD), permanent medication pumps, cochlear implants or deep brain stimulation (DBS)