Table 1 Featured Studies Analyzing Gamma Oscillations and Suicide in Depression.

From: Uncovering oscillatory dysregulation associated with suicide risk in major depressive disorder: a narrative review

Tool

Samples(female)

Condition

Frequency

Regions

Refs

Effect size

EEG

533 (276)

Resting-state

40–50 Hz

Fz, Cz, F8

Arikan, 2019

NR

EEG

109 (73)

Resting-state

31–40 Hz

Fz, Oz, Pz

An et al., [43]

NR

MEG

29 (19)

An attentional dot probe task with emotional face stimuli

30–58 Hz

Frontal and parietal cortices

Gilbert JR, [59]

NR

MEG

29 (18)

Resting-state

30–50 Hz

Insula and anterior cingulate

Gilbert JR, [44]

NR

MEG

52 (24)

Resting-state

30–48 Hz

Cortico-striato-thalamo-cortical circuit

Chattun MR, [64]

NR

MEG

99 (26)

Resting-state

30–80 Hz

Basal ganglia and cerebellum

Shan, 2018

0.55

MEG

141 (70)

A passively viewing task of emotional faces

50–70 Hz

Fronto-parietal network and default mode network

Dai Z, [40]

Sad: 0.53

MEG

104 (52)

A sad facial recognition task

35–45 Hz

Visual network and fronto-parietal network

Dai Z, [65]

NR

MEG

106 (49)

An emotional expression recognition task

50–70 Hz

Visual network

Dai Z, [66]

Sad: 0.45; Happy: 0.63

MEG

56 (27)

An emotional expression recognition task

50–70 Hz

Right hippocampus, right Para hippocampus, right medial occipital gyrus, right temporal lobe

Dai Z, 2020

NR

  1. The effect size employed in this analysis was the r value representing the association between gamma oscillations and the severity of suicide risk.
  2. NR not reported.