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Table 2 Aberrant oscillatory activity in human patients with MDD

From: Hormonal regulation of circuit function: sex, systems and depression

Frequency band Reported changes in MDD patients
Delta Reduced global power [95, 96] Increased global power [97, 98] Decreased phase synchronization in the centro-parieto-occipital regions [84]
Theta Reduced power in the occipito-parietal region [88, 89] Aberrant synchronization in the frontoparietal network [89] Abnormal activity in corticolimbic structures [88, 89]
Alpha Increased global power [48,49,50] Frontal asymmetry (L > R) [8, 55, 57,58,59,60,61,62] Parietotemporal asymmetry (R > L) [60, 65, 74,75,76,77,78] Decreased synchronization in frontoparietal network [84] Increased resting power in the NAc [86]
Beta Dominant global power [83,84,85] Increased synchronization in frontoparietal network [84]
Gamma Reduced power in the frontal and central regions [103]