Resting-state EEG SFC results of the four comparisons in the six bands. The red color indicates an increase of LPS (functional connectivity) indices and the blue a decrease. The thicker is the line the bigger is the difference. HV, Healthy Volunteers; SCZ, people affected by schizophrenia; LDD, people affected by schizophrenia with Long Duration of Disease; SDD, people affected by schizophrenia with Short Duration of Disease.