Understanding how different parts of the brain communicate requires precise maps of neural activity. In a new study, Tommi Raij and colleagues improved the way scientists interpret data from magnetoencephalography, or MEG — a technology that records the brain’s magnetic fields in real time. Their new method uses advanced mathematics to produce sharper, more detailed maps of where brain activity originates, while dramatically speeding up the process. This could help researchers better study how the brain works in both healthy and diseased states.
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Núñez Ponasso G, Drumm DA, Wang A, Noetscher GM, Hämäläinen M, Knösche TR, Maess B, Haueisen J, Makaroff SN, Raij T. High-definition MEG source estimation using the reciprocal boundary element fast multipole method. Neuroimage. 2025 Sep 20;320:121452. doi: 10.1016/j.neuroimage.2025.121452. Epub ahead of print. PMID: 40983228. (PubMed page)
Author: Gary Boas
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