Study demonstrates that the OPM-MEG tool effectively tracks brain development and neural oscillations in individuals aged 2 to 34, offering new insights into neurological health and development.
By Pooja Toshniwal PahariaJun 6 2024Reviewed by Benedette Cuffari, M.Sc. In a recent study published in the journal eLife, researchers evaluate the feasibility of optically pumped magnetometer-based magnetoencephalography for monitoring neural oscillations during brain development.
About the study In the present study, researchers used the 192-channel OPM-MEG platform to explore the developmental trajectory of beta oscillations among individuals between two and 34 years of age and the accompanying developmental alterations. The technology was incorporated into magnetically shielded rooms with active field controls to enable background field reduction and participant movement during scanning while preserving sensor operation.
Data from a single participant . Brain plots show slices through the left motor cortex, with a pseudo-T-statistical map of beta modulation. The blue/green peaks indicate locations of largest beta modulation during stimulation for index finger trials , while the red/yellow peaks show the little finger . Time-frequency spectra showing neural oscillatory amplitude modulation for both fingers, using data extracted from the location of peak beta modulation .
Positive Pearson correlations were observed between burst probability modulations and age, thus indicating that the shift in task-related beta modulations was due to burst probability variations. Bursts were less likely during stimulation, with the least pronounced effects among younger individuals.
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