Niall Holmes

Neural Fingerprinting based on Brain Network Dynamics: A Cross-Platform MEG Study

This study explores neural fingerprinting using MEG data, showing that brain network dynamics captured by a canonical hidden Markov model can support individual identification across different MEG technologies.

Beta-band dynamics during a naturalistic motor task: an OPM-MEG study

This study uses OPM-MEG to examine beta-band dynamics during a naturalistic motor task of playing a musical instrument, showing changes in beta amplitude before and after a violin lesson.

Measuring the neurodevelopmental trajectory of excitatory-inhibitory balance via visual gamma oscillations

The paper uses OPM-MEG to measure visual gamma oscillations in children and adults, showing age-related changes in excitatory-inhibitory balance in visual cortex.

Noise Reduction and Localization Accuracy in a Mobile Magnetoencephalography System

This paper evaluates the performance of a mobile MEG system using OPM sensors, showing effective noise reduction and accurate source localization.

The neurodevelopmental trajectory of beta band oscillations: an OPM-MEG study

This study uses OPM-MEG to analyze beta band oscillations across childhood, showing age-related changes in beta modulation and whole-brain connectivity.

A Novel, Robust, and Portable Platform for Magnetoencephalography using Optically Pumped Magnetometers

This paper introduces a new OPM-MEG system with improved portability and dynamic range, showing comparable performance to existing systems in measuring brain activity.

Test-Retest Reliability of the Human Connectome: An OPM-MEG study

This study evaluates the test-retest reliability of OPM-MEG for whole-brain functional connectivity, showing high group-level repeatability and individual robustness across theta, alpha, and beta frequency ranges.

Naturalistic hyperscanning with wearable magnetoencephalography

This paper introduces wearable magnetoencephalography for hyperscanning, enabling naturalistic social interaction studies with high-fidelity data.

Using OPM-MEG in contrasting magnetic environments

This study compares OPM-MEG systems in contrasting magnetic environments, showing comparable noise floors and brain activity detection despite significant differences in background field and interference.

Magnetic Field Mapping and Correction for Moving OP-MEG

This paper models and corrects magnetic field variations in moving OP-MEG data to reduce movement artefacts.

Measuring functional connectivity with wearable MEG

This study demonstrates that a wearable OPM-MEG system can accurately characterize brain networks, showing high similarity to data from a cryogenic MEG system.

Pragmatic spatial sampling for wearable MEG arrays

This paper investigates the optimal number and placement of sensors in wearable MEG systems, showing that few sensors at coarse sampling can achieve adequate spatial discrimination under high SNR.

Modelling optically pumped magnetometerinterference as a mean (magnetic) field

The paper models magnetic interference in optically pumped magnetometers as a mean field to improve statistical power and reduce sensor variability.

Mouth magnetoencephalography: A unique perspective on the human hippocampus

This paper investigates the use of mouth-based sensors in magnetoencephalography (MEG) to study the human hippocampus, finding that mouth sensors show unique task-related activity and anti-correlation with temporal lobe sensors.

Multi-Channel Whole-Head OPM-MEG: Helmet Design and a Comparison with a Conventional System

The paper constructs and evaluates a 49-channel whole-head OPM-MEG system, showing comparable performance to cryogenic MEG with a rigid helmet design.

Using optically-pumped magnetometers to measure magnetoencephalographic signals in the human cerebellum

This paper demonstrates that optically-pumped magnetometers improve cerebellar MEG signal detection by reducing sensor distance and increasing SNR, revealing evoked and induced responses to sensory stimuli.