Placebo ,Placebo ,Reboxetine,Reboxetine,Naltrexone,Naltrexone,,,Placebo ,Placebo ,Reboxetine,Reboxetine,Naltrexone,Naltrexone Easy|Low,Hard|Low,Easy|Low,Hard|Low,Easy|Low,Hard|Low,,,Easy|High,Hard|High,Easy|High,Hard|High,Easy|High,Hard|High 0,0,0,0,0,0,,,27.8,17,26.8,22.2,15.5,17.8 0,0,8.5,19.5,0,0,,,59.2,57.2,22.5,13.5,25.8,39.5 2.8,2.2,12.2,27.8,0,2.2,,,52.2,46.8,19.8,33,25.5,31.8 1.5,0.5,1.2,1.2,27.5,16,,,38.2,40.8,33.8,29.5,7.8,21 3,0.2,3.8,4.8,10,5.5,,,45.2,45.8,58.2,45.5,66,59 12.8,8.2,0.8,0.5,6,3.8,,,47.5,51.2,43.2,41.5,51.2,50 8.5,11,8,4.8,6.5,6.5,,,61,63.8,52.5,50,36.8,42.2 0,0,0,0.5,2,0,,,19.8,9.5,38.2,21.5,44,15.2 7,5.8,12.5,11.5,9.5,7.2,,,33.5,26.8,35.5,29,30.5,33.2 0,0,0,0,2.2,0,,,50.8,42.8,50,51,52.2,40.5 4.8,2.5,1.8,6.8,0,0,,,34.8,37.2,40.8,51.5,32.5,31.5 2,2.8,0,0,0,0,,,63,59.8,49.2,21.2,32.2,47.5 0,11.5,4.8,1.8,0,9.5,,,41.5,39.8,40.5,38.5,47,45.2 0,0,0,0,0,0,,,55,38.2,20,10,27.8,27.5 0,0,0,0,0,0,,,11.8,8.2,26.2,22,35.2,38 0,1.2,6.8,9.8,0.2,0,,,50.2,51.5,36.5,55,40,43.5 0,0,4.2,2.2,0,0.8,,,3.5,2,19.8,12,8.8,5.8 0,0,0,0,0,0,,,51.2,52.5,26.2,26.2,51.2,47.5 0,0.5,0.2,2.2,0,0,,,4.8,10.8,27,19.5,16.2,13.5 0,0,0,0,0,0,,,30,31.5,26,24,29.8,24.8 0,0,0,0,0,0,,,45,37.8,46.5,30,38.8,20 0.2,0.2,9.8,10,10.8,26.5,,,79,73,70.8,71,82.2,74.2 3,3.5,0,0,0,0,,,45.8,42,31.8,26.8,50,42.5 0.2,3.2,0.8,1,0.8,0,,,22.2,25.2,7.8,8.5,8.5,4 0,4.2,0.8,0,1.2,2.8,,,51.5,39.5,37.5,20.8,42.5,51 5.2,7,12,2.5,8.8,5.2,,,40.2,38.2,37,43.8,39.5,43 0,0,1,1.5,0.2,0,,,65.8,63.8,39.5,28,53.2,57.2 0,0,0,0,1.2,0,,,67.5,63,57,52.8,68,60.2 0,0,0,0,1.5,2.5,,,17.5,19.2,15.5,21.2,18.8,23.5 2.8,6.2,4.8,9,5.5,4.2,,,61,56,43,46.5,46.8,52.5 0,0.5,0,0,0,0,,,53.2,56.8,42,44.2,37,42 0,2.8,3,0.2,15.2,8.8,,,29.2,14.8,66,50.8,76.5,69.8 2.8,2,0,0,0,0,,,45,45,31.8,27.2,61,56.8 0,0,0,0,0,0,,,8.2,10.2,21.5,16.8,23.8,19.2 0,1.5,2,0,3.2,9.2,,,19.5,12.2,16.8,10,28,27.2 0,0,0,0,0,1,,,13,13.5,9.2,9.5,25.2,19.5 7.8,5.2,5.2,2.5,7.5,0,,,62.2,52.2,54,45.5,40.5,44.8 31.8,31,23.2,26,21.2,36.5,,,61,57.5,54,53.8,57.5,53.2 2,0,0,0,0,0.5,,,9.2,9,13.5,19.2,18.8,22.5