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. 2018 May 10;13(5):e0191111. doi: 10.1371/journal.pone.0191111

Fig 1. Head localization vs. sensor localization.

Fig 1

Left: classical head localization where a large array of sensors (blue; here: the low-Tc SQUID magnetometer locations of the Elekta Neuromag TRIUX helmet) localizes a set of small, dipolar coils (green) that are attached to the subject’s head. Right: example of the proposed magnetometer localization where an array of dipolar coils (green) is used to localize individual (or small arrays of) on-scalp magnetometers (red).