Table 3.

LICI in patients with depression.

References	Subjects	Method	ISI	LICI
Croarkin et al. (39)	8 treatment responder MDD, 8 treatment resistant MDD	TMS-EMG	100, 150, 200 ms	↓ in treatment resistant subjects
Croarkin et al. (40)	14 MDD 19 HC	TMS-EMG	100, 150, 200 ms	↑ with age in adolescents
Sun et al. (41)	33 TRD	TMS-EEG	100 ms	↑ at baseline correlated with decreased suicidality following MST
Sun et al. (42)	23 TRD	TMS-EEG	100 ms	↓ following MST in patient with resolved SI
Lewis et al. (43)	37depressed, 17 depressed + SB, 20 HC	TMS-EMG	100, 150, 200 ms	↓ in depressed subjects with SB
Jeng et al. (44)	20 TRD, 16 non-TRD, 36 HC	TMS-EMG	100, 200 ms	↓ in TRD subjects
Lewis et al. (45)	10 Depressed	TMS-EMG	100, 150 ms	↑ associated with decrease in SI following antidepressant treatment
Balzekas et al. (46)	5 Depressed	TMS-EMG	100, 150, 200 ms	Comparison not measured
Doruk Camsari et al. (47)	15 MDD, 22 HC	TMS-EMG	100, 150, 200 ms	↔

ISI, Interstimulus interval; TRD, Treatment resistant depression; LICI, Long-interval intracortical inhibition; MST, Magnetic seizure therapy; MDD, Major depressive disorder; SI, Suicidal ideation; HC, Healthy controls; SB, Suicidal behavior. ↓: decreased, ↔: no significant difference.