Fig. 2. (a) MEP_Pre group sorted by the average value of the negative symptoms, N1–N7 (Symptoms 8–14). The colour bar on the right shows the PANSS score in the range 1–7. (b) The average score for Symptoms N1–N7 shown sorted by its value in each member of the MEP_Pre population (green). The red plot shows the value for N1. (c) A histogram of the average score for Symptoms N1–N7 in the MEP_Pre group.