Figure 8.

Performance of the Fisher exact test (p ≤ 0.001) for (a) uniform (0.5) prior probabilities, and (b) data‐derived prior probabilities of structure abnormality, and for the three strengths of lesion‐deficit associations from Table I that correspond to strong (case 1), moderate (case 2), and weak (case 3) associations. The difference between the total number of associations detected, and the number of true associations detected is the number of false‐positive associations detected for each case. The horizontal line in (a) represents the total number of simulated edges (69), and in (b) represents the total number of simulated edges that can be detected (55).