MGAM and benign prostatic hyperplasia: Figure 3 shows that PGAs for all trial-types increased with increasing object size (only linear effects significant: all F(1,15) = 206.79, 338.38, 207.78, 355.77 and 328.93 for BPH−, BPH+, RPH−, RPH+ and MG trials, respectively, all p < 0.001).