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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

3 Principles of nuclear magnetic resonance and MRI
Functional Magnetic Resonance Imaging

Peter Jezzard

Stuart Clare

Oxford University Press

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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