Longitudinal changes of hippocampus and subfields volumes in MSR and MNR after ECT. * represents that paired t-tests indicate a significant increased volume in bilateral hippocampus and certain subfields in the MSR group and MNR group. Abbreviation: MSR, schizophrenia patients with symptom remission after ECT; MNR, schizophrenia patients without symptom remission after ECT; CA, cornu ammonis area; GC-ML-DG, granular cells layer of the dentate gyrus; HATA, hippocampus-amygdala transition area. The || represents that outliers (>mean±2*SD) dots were removed when performing the statistical analyses.