Homeostatic normalization of alpha brain rhythms within the default-mode network and reduced symptoms in post-traumatic stress disorder following a randomized controlled trial of electroencephalogram neurofeedback.

Neurofeedback improvements on PTSD symptom severity When examining changes in PTSD severity scores as measured by the CAPS, we found a significant main effect of time ( F (2,70; Greenhouse–Geisser adjustment 1.43, 49.98) = 14.33, η p 2 = 0.291, P < 0.0001), where the Group × Time interaction did not reach statistical significance ( F (2,70; Greenhouse–Geisser adjustment 1.43, 49.98) = 0.834, η p 2 = 0.023, ns ) (Greenhouse–Geisser corrected).

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