Evidence map›Paper›PMID 39199537›Full record

ArticleBrain sciences2024

Evaluation of Different Visual Feedback Methods for Brain-Computer Interfaces (BCI) Based on Code-Modulated Visual Evoked Potentials (cVEP).

Milán András Fodor, Hannah Herschel, Atilla Cantürk, Gernot Heisenberg, Ivan Volosyak

Abstract read
In one paragraph

Article in Brain sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
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

4 citing papers in PubMed.

  1. Article
  2. Brain-computer interface: an update for the clinicians.Frontiers in human neuroscience · 2026
    Review
  3. Article
  4. Article
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

5 authors.

Milán András FodorFaculty of Technology and Bionics, Rhine-Waal University of Applied Sciences, 47533 Kleve, Germany.ORCID 0009-0009-9769-0821
Hannah HerschelFaculty of Technology and Bionics, Rhine-Waal University of Applied Sciences, 47533 Kleve, Germany.ORCID 0009-0000-1336-1508
Atilla CantürkFaculty of Technology and Bionics, Rhine-Waal University of Applied Sciences, 47533 Kleve, Germany.ORCID 0000-0003-4624-1283
Gernot HeisenbergInstitute of Information Science, Technical University of Applied Sciences Cologne, 50678 Cologne, Germany.ORCID 0000-0002-1786-8485
Ivan VolosyakFaculty of Technology and Bionics, Rhine-Waal University of Applied Sciences, 47533 Kleve, Germany.ORCID 0000-0001-6555-7617

Funding

European Union 101118964
6 · The paper itself

Abstract

Brain-computer interfaces (BCIs) enable direct communication between the brain and external devices using electroencephalography (EEG) signals. BCIs based on code-modulated visual evoked potentials (cVEPs) are based on visual stimuli, thus appropriate visual feedback on the interface is crucial for an effective BCI system. Many previous studies have demonstrated that implementing visual feedback can improve information transfer rate (ITR) and reduce fatigue. This research compares a dynamic interface, where target boxes change their sizes based on detection certainty, with a threshold bar interface in a three-step cVEP speller. In this study, we found that both interfaces perform well, with slight variations in accuracy, ITR, and output characters per minute (OCM). Notably, some participants showed significant performance improvements with the dynamic interface and found it less distracting compared to the threshold bars. These results suggest that while average performance metrics are similar, the dynamic interface can provide significant benefits for certain users. This study underscores the potential for personalized interface choices to enhance BCI user experience and performance. By improving user friendliness, performance, and reducing distraction, dynamic visual feedback could optimize BCI technology for a broader range of users.

Indexed as

BCI spellerbrain–computer interface (BCI)code-modulated visual evoked potentials (cVEP)EEG-based BCIvisual evoked potentials (VEP)

Identifiers

PMID39199537
PMCPMC11352856

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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.