ArticleNeuroImage2021
Detection of human auditory evoked brain signals with a resilient nonlinear optically pumped magnetometer.
Article in NeuroImage, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It has been retracted, and should not be counted. Cited by 8 papers.
What it found
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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.
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.
Who cites it
8 citing papers in PubMed.
- Inferring laminar origins of MEG signals with optically pumped magnetometers (OPMs): A simulation study.Imaging neuroscience (Cambridge, Mass.) · 2025Article
- Optimizing magnetometers arrays and analysis pipelines for multivariate pattern analysis.Journal of neuroscience methods · 2024Article
- An optically pumped magnetic gradiometer for the detection of human biomagnetism.Quantum science and technology · 2024Article
- Combining magnetoencephalography with telemetric streaming of intracranial recordings and deep brain stimulation-A feasibility study.Imaging neuroscience (Cambridge, Mass.) · 2023Article
- Article
- Detection of the 40 Hz auditory steady-state response with optically pumped magnetometers.Scientific reports · 2022Article
- Interference suppression techniques for OPM-based MEG: Opportunities and challenges.NeuroImage · 2022Article
- Article
Corrections and comments
- Reinstatement · 2020-10-24Date of Article and/or Notice Unknown · Notice - Limited or No Information · Retract and Replace · Temporary Removal · Removed · · date of retraction unknown, html page overwrite; article reinstated on unknown date, no explanatory notice;
Authors and funding
4 authors.
Funding
Abstract
Optically Pumped Magnetometers (OPMs) have been hailed as the future of human magnetoencephalography, as they enable a level of flexibility and adaptability that cannot be obtained with systems based on superconductors. While OPM sensors are already commercially available, there is plenty of room for further improvements and customization. In this work, we detected auditory evoked brain fields using an OPM based on the nonlinear magneto-optical rotation (NMOR) technique. Our sensor head, containing only optical and non-magnetizable elements, is connected to an external module including all the electronic components, placed outside the magnetically shielded room. The use of the NMOR allowed us to detect the brain signals in non-zero magnetic field environments. In particular, we were able to detect auditory evoked fields in a background field of 70 nT. We benchmarked our sensor with conventional SQUID sensors, showing comparable performance. We further demonstrated that our sensor can be employed to detect modulations of brain oscillations in the alpha band. Our results are a promising stepping-stone towards the realization of resilient OPM-based magnetoencephalography systems that do not require active compensation.
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Registered trials
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.