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Functional Magnetic Resonance ImagingAn Introduction to Methods$
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Peter Jezzard, Paul M Matthews, and Stephen M Smith

Print publication date: 2001

Print ISBN-13: 9780192630711

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780192630711.001.0001

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Principles of nuclear magnetic resonance and MRI

Principles of nuclear magnetic resonance and MRI

Chapter:
3 Principles of nuclear magnetic resonance and MRI
Source:
Functional Magnetic Resonance Imaging
Author(s):

Peter Jezzard

Stuart Clare

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780192630711.003.0003

Imaging using nuclear magnetic resonance (NMR) was first demonstrated in the 1970s, and has since seen huge application in diagnostic radiology. It has been described using a number of formalisms and at a number of levels of complexity. This chapter traverses a path inbetween unnecessary rigorous complexity and over-simplifying inaccuracy of NMR imaging, and involves a discussion of most imaging experiments that can be understood using the principles of classical physics and quantum effects. It illustrates that NMR has a long history in helping to elucidate the chemical composition of samples via an analysis of their NMR spectra. The chapter emphasizes the concepts of spatial understanding and k- space, discusses Fourier imaging and studies nuclei namely hydrogen, phosphorus and carbon in the case of biomedical magnetic resonance spectroscopy.

Keywords:   nuclear magnetic resonance, quantum effects, k- space, magnetic resonance spectroscopy, diagnostic radiology, NMR spectra

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