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. 2021 Mar 22;15:655947. doi: 10.3389/fnhum.2021.655947

Table 5.

Effect of rTMS on fear memory and extinction in healthy participants.

References Study type N/Groups Gender, M/F (age, Mean ± SD) Target area Coil position Online/offline stimulation Pulses per session/duration Frequency/Intensity/Coil shape Type of CS/US Reinforcement rate Outcome measures Outcome direction
Borgomaneri et al. (2020) RCT, Single-blind, active (control site) and sham controlled 84/6 1.6/8 (23.9 ± 2.3)
5/9 (23.1 ± 2.6)
3/11 (21.6 ± 2.0)
8/6 (22.4 ± 3.7)
6/8 (23.2 ± 1.8)
6. 5/9 (24.4 ± 3.1)
Left and right dlPFC F3 and F4 Online, during reconsolidation of fear memory 900/15 min 1 Hz/110% RMT/figure of 8 Room pictures/electrical shocks 60% SCR, contingency ratings Both l- and r- dlPFCrTMS
-diminished expression of fear response
- prevented return of fear response
Guhn et al. (2014) RCT, Single-blind, sham controlled 85/2 Active group: 21/19 (23.9 ± 3.0); Sham:
22/23 (24.6 ± 4.5)
mPFC Fpz Offline, between acquisition and extinction 1,560/20 min 10 Hz/110% RMT/Round Two male faces/scream 50% SCR, FPS, fNIRS, and self-report scales rTMS
- enhanced fear extinction learning
- Improved extinction recall
Raij et al. (2018) Single-blind, active (control site) controlled 28/2 23/5 (28yo;19-51) vmPFC Left posterior PFCwith strong or weak vmPFC connectivity Online, during extinction 28/4 trains, 7 pulses per train 20 Hz/100% RMT/figure of 8 Red, blue and yellow lights/Electrical shocks 62.5% SCR rTMS enhanced fear extinction recall