Effect of neurofeedback training on auditory evoked potentials’ late components reaction time: A placebo-control study

Background/Aim. Neurofeedback (NFB) training of sensorimotor rhythm (SMR) contributes to improving cognitive performance and increasing attention. SMR power is increased when a person is focused and task-oriented. The shorter reaction time (RT) of the P300 auditory evoked potentials (AEPs) is associ...

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Main Authors: Stanković Ivana, Ilić Nela V., Ilić Tihomir V., Jeličić Ljiljana, Sovilj Mirjana, Martić Vesna, Punišić Silvana, Stokić Miodrag
Format: Article
Language:English
Published: Ministry of Defence of the Republic of Serbia, University of Defence, Belgrade 2023-01-01
Series:Vojnosanitetski Pregled
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Online Access:https://doiserbia.nb.rs/img/doi/0042-8450/2023/0042-84502200072S.pdf
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author Stanković Ivana
Ilić Nela V.
Ilić Tihomir V.
Jeličić Ljiljana
Sovilj Mirjana
Martić Vesna
Punišić Silvana
Stokić Miodrag
author_facet Stanković Ivana
Ilić Nela V.
Ilić Tihomir V.
Jeličić Ljiljana
Sovilj Mirjana
Martić Vesna
Punišić Silvana
Stokić Miodrag
author_sort Stanković Ivana
collection DOAJ
description Background/Aim. Neurofeedback (NFB) training of sensorimotor rhythm (SMR) contributes to improving cognitive performance and increasing attention. SMR power is increased when a person is focused and task-oriented. The shorter reaction time (RT) of the P300 auditory evoked potentials (AEPs) is associated with better attention. Hence, the increase in SMR power after NFB SMR training should decrease the RT in a cognitive task. The aim of the study was to examine the ability of healthy individuals to modulate the SMR of electroencephalographic (EEG) activity between 12 and 15 Hz during 20-day NFB training sessions. In addition, the effect of NFB SMR training on RT was investigated. Methods. Participants were divided into experimental and control groups, with 24 subjects (12 males and 12 females) in each group, aged between 25 and 40 years. Participants in the experimental group were trained with authentic NFB SMR training, while in the control group, false (placebo) training was applied. AEPs were registered on five occasions: before NFB training, after 5, 10, and 20 training sessions, and one month after the last training. Results. The results showed that a series of 20 NFB SMR training sessions increased the amplitudes of the SMR. RT in the experimental group was significantly shortened, while in the control group, it was not observed. Moreover, the increase in the power of the EEG signal o f t he S MR showed a negative correlation with RT, but only in a subgroup of male subjects. Conclusion. The obtained results indicate the effects of NFB training on the improvement of the attention process expressed by RT.
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publishDate 2023-01-01
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spelling doaj-art-1b3ee284fbdd4032adc00784263b4e932025-08-20T01:59:01ZengMinistry of Defence of the Republic of Serbia, University of Defence, BelgradeVojnosanitetski Pregled0042-84502406-07202023-01-0180539640310.2298/VSP220412072S0042-84502200072SEffect of neurofeedback training on auditory evoked potentials’ late components reaction time: A placebo-control studyStanković Ivana0Ilić Nela V.1https://orcid.org/0000-0003-4905-0861Ilić Tihomir V.2https://orcid.org/0000-0002-4325-5498Jeličić Ljiljana3https://orcid.org/0000-0002-0391-1366Sovilj Mirjana4https://orcid.org/0000-0001-5646-1728Martić Vesna5Punišić Silvana6Stokić Miodrag7https://orcid.org/0000-0002-9095-5286Institute for Experimental Phonetics and Speech Pathology “Đorđe Kostić”, Belgrade, SerbiaUniversity of Belgrade, Faculty of Medicine, Belgrade, Serbia + University Clinical Center of Serbia, Clinic of Physical Medicine and Rehabilitation, Belgrade, SerbiaUniversity of Defence, Faculty of Medicine of the Military Medical Academy, Belgrade, SerbiaUniversity Clinical Center of Serbia, Clinic of Physical Medicine and Rehabilitation, Belgrade, Serbia + Research and Development Institute – Life Activities Advancement Center, Belgrade, SerbiaInstitute for Experimental Phonetics and Speech Pathology “Đorđe Kostić”, Belgrade, SerbiaUniversity of Defence, Faculty of Medicine of the Military Medical Academy, Belgrade, SerbiaResearch and Development Institute – Life Activities Advancement Center, Belgrade, SerbiaEducational Center Stokić, Belgrade, SerbiaBackground/Aim. Neurofeedback (NFB) training of sensorimotor rhythm (SMR) contributes to improving cognitive performance and increasing attention. SMR power is increased when a person is focused and task-oriented. The shorter reaction time (RT) of the P300 auditory evoked potentials (AEPs) is associated with better attention. Hence, the increase in SMR power after NFB SMR training should decrease the RT in a cognitive task. The aim of the study was to examine the ability of healthy individuals to modulate the SMR of electroencephalographic (EEG) activity between 12 and 15 Hz during 20-day NFB training sessions. In addition, the effect of NFB SMR training on RT was investigated. Methods. Participants were divided into experimental and control groups, with 24 subjects (12 males and 12 females) in each group, aged between 25 and 40 years. Participants in the experimental group were trained with authentic NFB SMR training, while in the control group, false (placebo) training was applied. AEPs were registered on five occasions: before NFB training, after 5, 10, and 20 training sessions, and one month after the last training. Results. The results showed that a series of 20 NFB SMR training sessions increased the amplitudes of the SMR. RT in the experimental group was significantly shortened, while in the control group, it was not observed. Moreover, the increase in the power of the EEG signal o f t he S MR showed a negative correlation with RT, but only in a subgroup of male subjects. Conclusion. The obtained results indicate the effects of NFB training on the improvement of the attention process expressed by RT.https://doiserbia.nb.rs/img/doi/0042-8450/2023/0042-84502200072S.pdfattentionbraincognitionelectroencephalographyevent-related potentials, p300evoked potentials, auditoryfeedback, sensory
spellingShingle Stanković Ivana
Ilić Nela V.
Ilić Tihomir V.
Jeličić Ljiljana
Sovilj Mirjana
Martić Vesna
Punišić Silvana
Stokić Miodrag
Effect of neurofeedback training on auditory evoked potentials’ late components reaction time: A placebo-control study
Vojnosanitetski Pregled
attention
brain
cognition
electroencephalography
event-related potentials, p300
evoked potentials, auditory
feedback, sensory
title Effect of neurofeedback training on auditory evoked potentials’ late components reaction time: A placebo-control study
title_full Effect of neurofeedback training on auditory evoked potentials’ late components reaction time: A placebo-control study
title_fullStr Effect of neurofeedback training on auditory evoked potentials’ late components reaction time: A placebo-control study
title_full_unstemmed Effect of neurofeedback training on auditory evoked potentials’ late components reaction time: A placebo-control study
title_short Effect of neurofeedback training on auditory evoked potentials’ late components reaction time: A placebo-control study
title_sort effect of neurofeedback training on auditory evoked potentials late components reaction time a placebo control study
topic attention
brain
cognition
electroencephalography
event-related potentials, p300
evoked potentials, auditory
feedback, sensory
url https://doiserbia.nb.rs/img/doi/0042-8450/2023/0042-84502200072S.pdf
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