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Effects of a single session of SMR neurofeedback training on anxiety and cortisol levels.

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Effects of a single session of SMR neurofeedback training on anxiety and cortisol levels.

dc.contributor.author	Gadea Domenech, Marien
dc.contributor.author	Aliño, Marta
dc.contributor.author	Hidalgo, Vanesa
dc.contributor.author	Espert Tortajada, Raúl
dc.contributor.author	Salvador Fernández-Montejo, Alicia
dc.date.accessioned	2021-05-28T12:25:48Z
dc.date.available	2021-05-28T12:25:48Z
dc.date.issued	2020
dc.identifier.uri	https://hdl.handle.net/10550/79480
dc.description.abstract	Objectives. According to some studies, a putatively calming effect of EEG neurofeedback training could be useful as a therapeutic tool in psychiatric practice. With the aim of elucidating this possibility, we tested the efficacy of a single session of ↑sensorimotor (SMR)/↓theta neurofeedback training for mood improvement in 32 healthy men, taking into account trainability, independence and interpretability of the results. Methods. A pre-post design, with the following dependent variables, was applied: (i) psychometric measures of mood with regards to anxiety, depression, and anger (Profile of Mood State, POMS, and State Trait Anxiety Inventory, STAI); (ii) biological measures (salivary levels of cortisol); (iii) neurophysiological measures (EEG frequency band power analysis). In accordance with general recommendations for research in neurofeedback, a control group receiving sham neurofeedback was included. Results. Anxiety levels decreased after the real neurofeedback and increased after the sham neurofeedback (P < 0.01, size effect 0.9 for comparison between groups). Cortisol decreased after the experiment in both groups, though with significantly more pronounced effects in the desired direction after the real neurofeedback (P < 0.04; size effect 0.7). The group receiving real neurofeedback significantly enhanced their SMR band (P < 0.004; size effect 0.88), without changes in the theta band. The group receiving sham neurofeedback did not show any EEG changes.
dc.language.iso	eng
dc.relation.ispartof	Neurophysiologie Clinique-Clinical Neurophysiology, 2020, vol. 50, num. 3, p. 167-173
dc.rights.uri	info:eu-repo/semantics/openAccess
dc.source	Gadea Domenech, Marien Aliño, Marta Hidalgo, Vanesa Espert Tortajada, Raúl Salvador Fernández-Montejo, Alicia 2020 Effects of a single session of SMR neurofeedback training on anxiety and cortisol levels. Neurophysiologie Clinique-Clinical Neurophysiology 50 3 167 173
dc.subject	Ansietat
dc.subject	Simulació, Mètodes de
dc.title	Effects of a single session of SMR neurofeedback training on anxiety and cortisol levels.
dc.type	info:eu-repo/semantics/article
dc.date.updated	2021-05-28T12:25:48Z
dc.identifier.doi	https://doi.org/10.1016/j.neucli.2020.03.001
dc.identifier.idgrec	143069