WO2004109300A3 - Methods for magnetic resonance signal perturbations measurement - Google Patents

Methods for magnetic resonance signal perturbations measurement Download PDF

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Publication number
WO2004109300A3
WO2004109300A3 PCT/US2004/018090 US2004018090W WO2004109300A3 WO 2004109300 A3 WO2004109300 A3 WO 2004109300A3 US 2004018090 W US2004018090 W US 2004018090W WO 2004109300 A3 WO2004109300 A3 WO 2004109300A3
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WO
WIPO (PCT)
Prior art keywords
methods
magnetic resonance
measurement
resonance signal
signal perturbations
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PCT/US2004/018090
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French (fr)
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WO2004109300A2 (en
Inventor
R Christopher Decharms
Original Assignee
R Christopher Decharms
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Publication date
Application filed by R Christopher Decharms filed Critical R Christopher Decharms
Publication of WO2004109300A2 publication Critical patent/WO2004109300A2/en
Publication of WO2004109300A3 publication Critical patent/WO2004109300A3/en

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    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4806—Functional imaging of brain activation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0808—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the brain

Abstract

The present invention relates to methods, software and systems for monitoring fluctuations in magnetic resonance signals. These methods may be used for measurements of the human brain and nervous system, and may be used for measuring electric currents and electromagnetic fields internal to an object. This method may include the use of a reference signal to accomplish differential recording of electromagnetic fields from two or more spatial locations.
PCT/US2004/018090 2003-06-03 2004-06-03 Methods for magnetic resonance signal perturbations measurement WO2004109300A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47593103P 2003-06-03 2003-06-03
US60/475,931 2003-06-03

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WO2004109300A2 WO2004109300A2 (en) 2004-12-16
WO2004109300A3 true WO2004109300A3 (en) 2005-11-03

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PCT/US2004/018090 WO2004109300A2 (en) 2003-06-03 2004-06-03 Methods for magnetic resonance signal perturbations measurement

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US (4) US20050033154A1 (en)
WO (1) WO2004109300A2 (en)

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