68 RHD will report no differences in anxiety between shock and no shock trials. 2. During prize anticipation, the RHD will report more or equal positive emotion compared to the NHD patients, whereas LHD subjects will report less more positive emotions than the NHD group. Also, RHD and NHD subjects will report more positive emotion during prize compared to no reward control trials. LHD patients will report no differences in positive affect between prize and no reward trials.