Table of ContentsPROTON SPIN and MAGNETIC MOMENT Proton Responses to Applied Magnetic Field the Resonance Phenomenon Free Protons Protons in Applied Field T1 and TR An RF Pulse Converts Longitudinal Magnetization to Signal In-Phase Precession Out of Phase Precession T2 and TE Partial Saturation Sequence Contrast, TR and TE 3D T1 Images Sample Data Set (normal) Contrast to Noise Ratio (Gray-White) The Larmor Relation Magnetic Field Gradients Imaging System Components Slice Selection Frequency Selective Excitation Spin Isochromats Spatial Encoding Equivalent Strategies in k-space Gradient Echo Sequence Hahn Spin Echo Transform Pairs Fourier Transform Pairs Fourier Transform of a Square Wave The Origin of Chemical Shift Chemical Shift Artifact k-space k-space conjugate symmetry RARE A PULSE SEQUENCE CONTROLS: Spatial Pre Saturation |
Author: Mark Cohen
Email: mscohen@ucla.edu Home Page: www.brainmapping.org Other information: |