CA3194163A1 - Magnetoencephalography method and system - Google Patents

Magnetoencephalography method and system

Info

Publication number
CA3194163A1
CA3194163A1 CA3194163A CA3194163A CA3194163A1 CA 3194163 A1 CA3194163 A1 CA 3194163A1 CA 3194163 A CA3194163 A CA 3194163A CA 3194163 A CA3194163 A CA 3194163A CA 3194163 A1 CA3194163 A1 CA 3194163A1
Authority
CA
Canada
Prior art keywords
sensor
magnetic field
source
location
sensors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3194163A
Other languages
English (en)
French (fr)
Inventor
Matthew BROOKES
Elena BOTO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Nottingham
Original Assignee
University of Nottingham
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Nottingham filed Critical University of Nottingham
Publication of CA3194163A1 publication Critical patent/CA3194163A1/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/0206—Three-component magnetometers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/242—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents
    • A61B5/245—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents specially adapted for magnetoencephalographic [MEG] signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0094—Sensor arrays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/032—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/022—Measuring gradient
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/26—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux using optical pumping

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Power Engineering (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Glass Compositions (AREA)
  • Level Indicators Using A Float (AREA)
CA3194163A 2020-09-30 2021-09-30 Magnetoencephalography method and system Pending CA3194163A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2015427.4 2020-09-30
GBGB2015427.4A GB202015427D0 (en) 2020-09-30 2020-09-30 Magnetoencephalography method and system
PCT/GB2021/052537 WO2022069896A1 (en) 2020-09-30 2021-09-30 Magnetoencephalography method and system

Publications (1)

Publication Number Publication Date
CA3194163A1 true CA3194163A1 (en) 2022-04-07

Family

ID=73197383

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3194163A Pending CA3194163A1 (en) 2020-09-30 2021-09-30 Magnetoencephalography method and system

Country Status (8)

Country Link
US (1) US20240000359A1 (https=)
EP (1) EP4221592A1 (https=)
JP (1) JP2023545661A (https=)
CN (1) CN116887752A (https=)
AU (1) AU2021353563A1 (https=)
CA (1) CA3194163A1 (https=)
GB (1) GB202015427D0 (https=)
WO (1) WO2022069896A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117045254A (zh) * 2022-05-06 2023-11-14 中科知影(北京)科技有限公司 用于磁探测系统的头戴式显示设备和磁探测系统
DE102022209436A1 (de) * 2022-09-09 2024-03-14 Robert Bosch Gesellschaft mit beschränkter Haftung Vorrichtung zum Erfassen von magnetischen Signalen, die von einem schlagenden Herz erzeugt werden
DE102022209430A1 (de) * 2022-09-09 2024-03-14 Robert Bosch Gesellschaft mit beschränkter Haftung Vorrichtung zum Erfassen von magnetischen Signalen, die von einem schlagenden Herz erzeugt werden
DE102023200849B4 (de) * 2023-02-02 2025-10-16 Robert Bosch Gesellschaft mit beschränkter Haftung Magnetfelderfassungsvorrichtung zum Erfassen von magnetischen Signalen, die von einem Messort ausgehen
CN117257312B (zh) * 2023-11-20 2024-01-26 合肥综合性国家科学中心人工智能研究院(安徽省人工智能实验室) 一种机器学习中增广脑磁图数据的方法
CN117653123B (zh) * 2023-12-19 2025-12-16 北京航空航天大学 一种用于脑磁源定位的局部传感器阵列设计方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3237359B2 (ja) * 1993-11-26 2001-12-10 株式会社島津製作所 生体活動電流源推定方法
DE4439691A1 (de) * 1994-11-07 1996-05-09 Philips Patentverwaltung Verfahren zur Bestimmung der räumlichen Feldverteilung
JP3595660B2 (ja) * 1997-10-02 2004-12-02 株式会社日立製作所 生体の磁場の計測装置
US6473518B1 (en) * 1997-10-02 2002-10-29 Hitachi, Ltd. Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, method of displaying biomagnetic field data, and apparatus therefor
US9883812B2 (en) * 2010-06-28 2018-02-06 The Regents Of The University Of California Enhanced multi-core beamformer algorithm for sensor array signal processing by combining data from magnetoencephalography
CN102048536B (zh) * 2011-01-22 2012-11-28 浙江大学 基于头外空间磁场重构的脑磁源定位方法
JP6638582B2 (ja) * 2015-09-10 2020-01-29 株式会社リコー 磁気計測装置
TW201711634A (zh) * 2015-09-17 2017-04-01 國立中央大學 腦功能成像辨識的方法及系統
US10613163B1 (en) * 2016-02-09 2020-04-07 Triad National Security, Llc Micro-imaging with an atomic magnetometer and flux guide
JP2019515757A (ja) * 2016-05-09 2019-06-13 ビオマグネティック パーク ゲーエムベーハー 生体磁場を測定するための装置
CN106859629A (zh) * 2017-01-18 2017-06-20 上海理工大学 脑磁图检测中背景噪声削弱系统及方法
CN106859599B (zh) * 2017-01-23 2020-05-15 上海理工大学 基于全光原子磁力检测的脑磁图系统及获取方法
AU2018267289B2 (en) * 2017-05-12 2021-01-28 Korea Research Institute Of Standards And Science Multi-sensor magneto-monitoring-imaging system
WO2020040882A1 (en) * 2018-08-20 2020-02-27 Hi Llc Magnetic field shaping components for magnetic field measurement systems and methods for making and using

Also Published As

Publication number Publication date
GB202015427D0 (en) 2020-11-11
EP4221592A1 (en) 2023-08-09
JP2023545661A (ja) 2023-10-31
AU2021353563A9 (en) 2024-02-08
CN116887752A (zh) 2023-10-13
AU2021353563A1 (en) 2023-05-04
WO2022069896A1 (en) 2022-04-07
US20240000359A1 (en) 2024-01-04

Similar Documents

Publication Publication Date Title
CA3194163A1 (en) Magnetoencephalography method and system
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Samuelsson et al. Spatial fidelity of MEG/EEG source estimates: A general evaluation approach
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Marhl et al. Transforming and comparing data between standard SQUID and OPM-MEG systems
US11042982B2 (en) Ultra-dense electrode-based brain imaging system
Huang et al. A sensor-weighted overlapping-sphere head model and exhaustive head model comparison for MEG
Zetter et al. Requirements for coregistration accuracy in on-scalp MEG
US9883812B2 (en) Enhanced multi-core beamformer algorithm for sensor array signal processing by combining data from magnetoencephalography
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Bonaiuto et al. Estimates of cortical column orientation improve MEG source inversion
Taulu et al. Unified expression of the quasi-static electromagnetic field: Demonstration with MEG and EEG signals
Holmes et al. Wearable magnetoencephalography in a lightly shielded environment
Zhao et al. Spatiotemporal extended homogeneous field correction method for reducing complex interference in OPM-MEG
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Owen et al. Estimating the location and orientation of complex, correlated neural activity using MEG
McPherson et al. Refined signal space separation methods for on-scalp MEG systems
Schofield et al. Towards a 384-channel magnetoencephalography system based on optically pumped magnetometers

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