Evaluation of Theta EEG Neurofeedback Procedure for Cognitive Training Using Simultaneous fMRI in Counterbalanced Active‐Sham Study Design

Human Brain Mapping, Год журнала: 2025, Номер 46(1)

Опубликована: Янв. 1, 2025

ABSTRACT Evaluation of mechanisms action EEG neurofeedback (EEG‐nf) using simultaneous fMRI is highly desirable to ensure its effective application for clinical rehabilitation and therapy. Counterbalancing training runs with active sham (neuro)feedback each participant a promising approach demonstrate specificity effects the neurofeedback. We report first study in which EEG‐nf procedure both evaluated controlled via counterbalanced active‐sham design. Healthy volunteers ( n = 18) used upregulate frontal theta asymmetry (FTA) during while performing tasks that involved mental generation random numerical sequence serial summation numbers sequence. The FTA was defined as power channels F3 F4 [4–7] Hz band. Sham feedback provided based on motion‐related artifacts. experimental included two feedback, randomized order. participants showed significantly more positive changes conditions compared conditions, associated higher channel F3. Temporal correlations between activities prefrontal, parietal, occipital brain regions were enhanced conditions. correlation activity left dorsolateral prefrontal cortex (DLPFC) also enhanced. Significant active‐vs‐sham difference activations observed DLPFC. Our results can be reliably design fMRI.

Язык: Английский

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Leveraging Simultaneous EEG-fMRI for Functional Connectivity Biomarker Estimation in Schizophrenia: Insights from EEG Neurofeedback Training in Healthy Individuals

Research Square (Research Square), Год журнала: 2025, Номер unknown

Опубликована: Март 20, 2025

Current medications for schizophrenia (SCZ) remain ineffective, highlighting the growing need targeted treatments addressing abnormal brain states. Functional connectivities (FCs) in resting-state functional magnetic resonance imaging (rs-fMRI) have successfully identified states associated with both diagnosis and symptoms. These FC-based biomarkers been developed several neuropsychiatric disorders, including SCZ. Furthermore, neurofeedback training (FCNef) utilizing these has shown promise normalizing specific states, leading to improvements corresponding EEG is a more cost-effective less physically demanding method compared fMRI, EEG-based (EEG-NF) gaining popularity due its ease of use. Developing methods predict from data crucial EEG-NF. In this study, aiming perform EEG-NF SCZ patients, we proposed prediction fMRI (fMRI-BM), named biomarker-based state (BioBSP). Through three-day single-blind manner (SCZ-NF: N = 11; sham-NF: 10), SCZ-NF group demonstrated change SCZ-BM than sham-NF significant improvement working memory performance without any adverse effects. Our findings suggest that BioBSP may be possible alternative tool novel approach treating

Язык: Английский

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Enhancing creativity with covert neurofeedback: causal evidence for default-executive network coupling in creative thinking

Cerebral Cortex, Год журнала: 2025, Номер 35(4)

Опубликована: Апрель 1, 2025

Abstract Creativity neuroscience has consistently reported increased functional connectivity between the default mode network and executive control supports creative cognition, potentially reflecting coordination of generative evaluative cognitive processes. However, evidence been purely correlational—no causal demonstrations show that network–executive interaction specifically drives performance. We sought for coupling in thinking using near-infrared spectroscopy–brain neurofeedback, which can endogenously modify through reinforcement learning. Importantly, we employed covert where participants were unaware specific brain activity being trained, allowing unbiased evaluation neural impacts. In a default-executive neurofeedback condition (n = 15), entrained medial prefrontal cortex dorsolateral cortex, hubs network, respectively. compared this with default-motor entraining supplementary motor area. Approximately 24 h later, led to during task (generating object uses), extending broader regions. Behaviorally, observed double dissociation: The default–executive idea originality, while improved go/no-go reaction times. thus provide first causally enhances

Язык: Английский

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Exploring neurofeedback as a therapeutic intervention for subjective cognitive decline

European Journal of Neuroscience, Год журнала: 2024, Номер 60(12), С. 7164 - 7182

Опубликована: Ноя. 26, 2024

Abstract Impact statement This study addresses the pressing issue of subjective cognitive decline in aging populations by investigating neurofeedback (NFB) as a potential early therapeutic intervention. By evaluating efficacy individualised NFB training compared to standard protocols, tailored each participant's EEG profile, it provides novel insights into personalised treatment approaches. The incorporation innovative elements and rigorous analytical techniques contributes advancing our understanding NFB's modulatory effects on frequencies function individuals. In context an population, concerns surrounding memory become increasingly prevalent, particularly individuals transition middle age beyond. investigated intervention address (SCD) populations. NFB, biofeedback technique utilising brain‐computer interface, has demonstrated promise various neurological psychological conditions. Here, we evaluated training, protocol aimed at increasing peak alpha frequency power, enhancing among experiencing SCD. Our incorporated elements, including implementation criterion for learning success ensure consistent achievement levels conclusion sessions. Additionally, introduced non‐learner group account who do not demonstrate expected proficiency regulation. Analysis electroencephalographic (EEG) signals during sessions, well before after frequencies. Contrary expectations, analysis revealed that ability with SCD modulate signal power duration specific was exclusive intended target. Furthermore, examination recorded using high‐density showed no discernible alteration between pre‐ post‐NFB Similarly, significant were observed questionnaire scores when comparing assessments.

Язык: Английский

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Effects of one session of theta or high alpha neurofeedback on EEG activity and working memory

Cognitive Affective & Behavioral Neuroscience, Год журнала: 2024, Номер 24(6), С. 1065 - 1083

Опубликована: Сен. 25, 2024

Язык: Английский

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Transtorno de estresse pós-traumático e interações psicofisiológicas de padrões cerebrais, exercício e tratamento não medicamentoso: uma revisão integrativa

Revista de Educação Física / Journal of Physical Education, Год журнала: 2024, Номер 92(2)

Опубликована: Март 20, 2024

Introdução: O transtorno de estresse pós-traumático (TEPT) é um problema saúde mental proeminente em militares veteranos e, também, na população geral. Podendo durar desde apenas alguns meses a muitos anos, causa diversas incapacidades aos indivíduos que sofrem com o transtorno. Existem opções não medicamentosas podem, contribuir, como até mesmo serem necessárias para recuperação integral pacientes TEPT. Objetivo: Examinar as interações entre aspectos fisiológicos-psicofisiológicos e eletrofisiológicos (padrões corticais) exercício físico, buscando possíveis alternativas não-medicamentosas tratamento (TEPT). Resultados Discussão: A disfunção do hipocampo TEPT problemas no funcionamento cerebral (ansiedade, depressão comprometimento cognitivo), além prejuízos função mitocôndria neuroplasticidade. físico neuromodulação autorregulatória podem indispensáveis, desses pacientes. Conclusão: Exercícios físicos, por meio da melhora induzida nível fator neurotrófico derivado cérebro, aprimoramento mitocondrial indução à neuroplasticidade taxa apoptose contribui TEPT. Além disso, indica-se autorregulatória.

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Biofeedback

Routledge eBooks, Год журнала: 2024, Номер unknown, С. 169 - 197

Опубликована: Июль 9, 2024

Biofeedback is the common term for learning process involved in acquirement of psychophysiological self-regulation. The main goal biofeedback training, regardless training modality, to achieve voluntary control over involuntary physiological processes nervous system. a complex research domain with many levels, complexities, and choices that need be made. There level its design (e.g., type number sessions, trainer or no what support, biofeedback), ecological validity (real-life field laboratory), feedback device signal, device), subjects motivation, psychological traits states, interaction and/or trainer), targeted improvement increased mental performance broad concept), outcome, name few. This chapter provides an overview description relevant techniques, which former "Scientific Foundation" (Chapter 2) offers necessary theoretical constructs. We review scientific evidence base modalities. In last section this chapter, we focus on meaning biofeedback, caveats, potential implementations technique real-life performant context.

Язык: Английский

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Using EEG to advance mindfulness science: A survey of emerging methods and approaches

Biological Psychiatry Cognitive Neuroscience and Neuroimaging, Год журнала: 2024, Номер unknown

Опубликована: Окт. 1, 2024

Язык: Английский

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