Evidence map›Paper›PMID 26163671›Full record

Trial reportSocial cognitive and affective neuroscience2016

The validity of individual frontal alpha asymmetry EEG neurofeedback.

C W E M Quaedflieg, F T Y Smulders, T Meyer, F Peeters, H Merckelbach, T Smeets

Open access · bronzeAbstract readComparative StudyRandomized Controlled TrialValidation Study
In one paragraph

Trial report in Social cognitive and affective neuroscience, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
3.5field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

33 citing papers in PubMed, 87 citations in OpenAlex.

  1. Trial
  2. Trial
  3. Article
  4. Review
  5. Review
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Review
  19. Article
  20. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 1 country.

C W E M QuaedfliegFaculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands, conny.quaedflieg@maastrichtuniversity.nl.
F T Y SmuldersFaculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands.
T MeyerFaculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands, Behavioural Science Institute, Radboud University Nijmegen, Nijmegen, The Netherlands, and.
F PeetersFaculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands.
H MerckelbachFaculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands.
T SmeetsFaculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands.
Maastricht University · NLRadboud University Nijmegen · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Frontal asymmetry in alpha oscillations is assumed to be associated with psychopathology and individual differences in emotional responding. Brain-activity-based feedback is a promising tool for the modulation of cortical activity. Here, we validated a neurofeedback protocol designed to change relative frontal asymmetry based on individual alpha peak frequencies, including real-time average referencing and eye-correction. Participants (N = 60) were randomly assigned to a right, left or placebo neurofeedback group. Results show a difference in trainability between groups, with a linear change in frontal alpha asymmetry over time for the right neurofeedback group during rest. Moreover, the asymmetry changes in the right group were frequency and location specific, even though trainability did not persist at 1 week and 1 month follow-ups. On the behavioral level, subjective stress on the second test day was reduced in the left and placebo neurofeedback groups, but not in the right neurofeedback group. We found individual differences in trainability that were dependent on training group, with participants in the right neurofeedback group being more likely to change their frontal asymmetry in the desired direction. Individual differences in trainability were also reflected in the ability to change frontal asymmetry during the feedback.

Indexed as

ElectroencephalographyIndividualityAdolescentAdultAlpha RhythmArousalConditioning, OperantDominance, CerebralEmotionsFemaleFrontal LobeHumansHydrocortisoneMaleNeurofeedbackSignal Processing, Computer-AssistedHydrocortisonefrontal EEG asymmetryinterpretabilityrandomized placebo control designspecificitytrainability

Identifiers

PMID26163671
PMCPMC4692315
OpenAlexW2248488779

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.