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. 2019 Jan 31;8(2):158. doi: 10.3390/jcm8020158

Figure 1.

Figure 1

Total divergence (DIV) in trained bruxistic patients during 21 sessions with Origanum majorana essential oil (red: Total NF + AE) as compared levels in bruxistic patients who did not smell this fragrance during 21 NO training (green: Total NF). NF (ST) + AE: Divergences or total cerebral activity (DIV) in trained buxistic participants (with high “intrinsic stress”) during 21 NO sessions; they smelled Origanum majorana essential oil (n = 12 patients, 120 saliva samples, red color). (AE): patients exposed to O. majorana during 21 NO sessions. DIV Total (NF–ST): divergences or total cerebral activities (DIV) reached by training buxistic patients (with high “intrinsic stress”) in 21 NO sessions (without exposure to O. majorana essential oil; n = 12, 120 saliva samples, green). This figure shows the Divergence during 21 neurofeedback (NO) sessions (total: positive and negative) ± variance in bruxistic patients (with high “intrinsic stress”) that smelled O. majorana (red color) and participants who did not smell this fragrance (green color) in 21 NO sessions (21 × 12 = 252 values for pre-training plus 252 values for post-training sessions; total: 504 data).