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On-ScalpMEG
On-ScalpMEG
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- Schneiderman, Justin, 1979 (författare)
- Göteborgs universitet,University of Gothenburg
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- Ruffieux, Silvia, 1990 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Pfeiffer, Christoph, 1989 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Riaz, B. (författare)
- Göteborgs universitet,University of Gothenburg
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(creator_code:org_t)
- 2019-10-18
- 2019
- Engelska.
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Ingår i: Magnetoencephalography: From Signals to Dynamic Cortical Networks: Second Edition. - Cham : Springer International Publishing. ; , s. 1313-1335
- Relaterad länk:
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The development of new magnetic sensor technologies with relaxed thermal insulation requirements as compared to conventional magnetoencephalography (MEG) sensors has led to the birth of the field of on-scalp MEG, where sensor systems are flexibly placed directly on the scalp surface. Such improved proximity between the sensors and the brain has been theoretically demonstrated to boost signal levels and neuroimaging spatial resolution. Since the first on-scalp MEG measurements in 2012, a number of studies have experimentally verified these advantages with the two leading sensor technologies, namely, high criticaltemperature SQUIDs (high-Tc SQUIDs) and optically pumped magnetometers (OPMs). Current challenges being addressed that are specific to on-scalp MEG include relatively high sensor noise levels (specifically for high-Tc SQUIDs), limited bandwidth (specifically for OPMs), co-registration of a flexible sensor array, increased sensor crosstalk due to the denser spatial sampling required for improved spatial resolution, and engineering of a full-head system. The prospect for discovery of a neuroimaging challenge that on-scalp MEG uniquely solves is likely to push development further and possibly initiate utilization to a similar-or larger-scale as conventional MEG has reached today.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik -- Medicinsk laboratorie- och mätteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering -- Medical Laboratory and Measurements Technologies (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik -- Annan medicinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering -- Other Medical Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Inbäddad systemteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Embedded Systems (hsv//eng)
Nyckelord
- Shielding
- Multichannel
- Spatial sampling
- MEG system
- Crosstalk
- Superconducting quantum interference device (SQUID)
- Spatial resolution
- On-scalp MEG
- Standoff
- High-Tc SQUID
- Magnetoencephalography (MEG)
- Magnetometer
- Optically pumped magnetometer (OPM)
- Co-registration
- Flexible sensor array
Publikations- och innehållstyp
- kap (ämneskategori)
- vet (ämneskategori)
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