Key result
Neurofeedback beta downtraining significantly reduced trait anxiety scores from a pre-intervention mean of 59.17 to 48.83 (p=0.028) in women with high state-trait anxiety.
Why the study?
The study was designed to evaluate the effect of neurofeedback beta downtraining on anxiety as a personality trait and on beta and high-beta rhythms in the temporal lobes.
Does neurofeedback beta downtraining reduce anxiety and elevated beta patterns in women with high state-trait anxiety?
Does neurofeedback beta downtraining reduce anxiety and elevated beta patterns in women with high state-trait anxiety?
Absolute Event Rate: 48.83% vs 59.17%
p-value: p=0.028
Neurofeedback beta downtraining significantly reduced state and trait anxiety scores and decreased beta and high-beta patterns in the temporal lobes of women with high anxiety.
May support neurofeedback for trait anxiety; hypothesis-generating and leaves efficacy open pending larger RCTs.
This study intends to evaluate the effect of neurofeedback beta downtraining in the treatment of anxiety as a personality trait, measured in the State-Trait Anxiety Inventory (STAI), and to estimate the changes in the beta and high-beta rhythms in the left (T3) and right (T4) temporal lobes. An intrasubject analysis was carried out with six right-handed female university students who were submitted to a control and experimental condition (five neurofeedback seasons). In the results, it was observed that no significant changes were presented in the control stage. In turn, a significant reduction in the scores of the inventory was found in the experimental stage. On the other hand, even though in the experimental stage there was a decrease in the relative power of the beta and high-beta frequency bands, this was statistically significant in the beta band in T3 and T4 and in the high-beta band in T3. In conclusion, according to the results, neurofeedback had a significant effect on both reducing anxiety as a state and a personality trait, as well as reducing beta and high-beta patterns in the temporal lobes. The need for more studies with greater methodological rigor that can reassert or refute these results is noted.
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Aristizabal et al. (2024) studied High state-trait anxiety (n=6). Neurofeedback beta downtraining vs. Pre-intervention baseline (intra-subject control) was evaluated on Trait-A STAI score (p=0.028). Neurofeedback beta downtraining significantly reduced trait anxiety scores from a pre-intervention mean of 59.17 to 48.83 (p=0.028) in women with high state-trait anxiety.
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