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000154014 037__ $$aFZJ-2014-03439
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000154014 1001_ $$0P:(DE-Juel1)131757$$aDammers, Jürgen$$b0$$eCorresponding Author$$ufzj
000154014 245__ $$aSource localization of brain activity using helium free interferometer
000154014 260__ $$aMelville, NY$$bAmerican Institute of Physics$$c2014
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000154014 520__ $$aTo detect extremely small magnetic fields generated by the human brain, currently all commercial magnetoencephalography (MEG) systems are equipped with low-temperature (low-Tc) superconducting quantum interference device (SQUID) sensors that use liquid helium for cooling. The limited and increasingly expensive supply of helium, which has seen dramatic price increases recently, has become a real problem for such systems and the situation shows no signs of abating. MEG research in the long run is now endangered. In this study, we report a MEG source localization utilizing a single, highly sensitive SQUID cooled with liquid nitrogen only. Our findings confirm that localization of neuromagnetic activity is indeed possible using high-Tc SQUIDs. We believe that our findings secure the future of this exquisitely sensitive technique and have major implications for brain research and the developments of cost-effective multi-channel, high-Tc SQUID-based MEG systems.
000154014 536__ $$0G:(DE-HGF)POF2-423$$a423 - Sensorics and bioinspired systems (POF2-423)$$cPOF2-423$$fPOF II$$x0
000154014 7001_ $$0P:(DE-Juel1)140455$$aChocholacs, Harald$$b1$$ufzj
000154014 7001_ $$0P:(DE-Juel1)140456$$aEich, Eberhard$$b2$$ufzj
000154014 7001_ $$0P:(DE-Juel1)131752$$aBoers, Frank$$b3$$ufzj
000154014 7001_ $$0P:(DE-Juel1)130633$$aFaley, Michael$$b4$$ufzj
000154014 7001_ $$0P:(DE-Juel1)144121$$aDunin-Borkowski, Rafal$$b5$$ufzj
000154014 7001_ $$0P:(DE-Juel1)131794$$aShah, N. J.$$b6$$ufzj
000154014 773__ $$0PERI:(DE-600)1469436-0$$a10.1063/1.4880097$$p213705$$tApplied physics letters$$v104$$x1077-3118$$y2014
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