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  • Video 
    How MRI Works - Part 1 - NMR Basics

    How MRI Works - Part 1 - NMR Basics

    How MRI Works: Part 1 - NMR Basics.

    First in a series on how MRI works. This video deals with NMR basis such as spin, precession, T1 and T2, TR and TE, and Boltzmann Magnetization.

    0:00 - Introduction

    1:22 - Nuclear Magnetic Resonance

    4:10 - Inside the MRI Scanner

    7:50 - The Proton, Spin, and Precession

    11:34 - Signal Detection and the Larmor Equation

    14:10 - Flip Angle

    15:30 - Ensemble Magnetic Moment

    16:34 - Free Induction Decay and T2

    18:43 - T2 Weighting and TE

    21:46 - Spin Density Imaging

    24:18 - T1 Relaxation

    25:45 - T1 Weighting and TR

    27:01 - The NMR Experiment and Rotating Frame

    28:57 - Excitation: the B1 field

    30:14 - Measuring Longitudinal Magnetization

    31:34 - The MR Contrast Equation

    34:42 - Boltzmann Magnetization and Polarization

    40:09 - Hyperpolarization

    41:42 - Outro


    Course related:
    BME42113 Biomedical Imaging
    Subjects:
    Medical Imaging and Physics
    Keywords:
    Magnetic resonance imaging
    Resource Type:
    Video
     
  • Video 
    2-Minute Neuroscience: Functional Magnetic Resonance Imaging (fMRI)

    2-Minute Neuroscience: Functional Magnetic Resonance Imaging (fMRI)

    The video discusses how fMRI works, what is represented in a typical fMRI image, and some of the methodological problems associated with the use of fMRI. Transcript included.

    Subjects:
    Medical Imaging
    Keywords:
    Cognitive neuroscience Magnetic resonance imaging Brain -- Magnetic resonance imaging
    Resource Type:
    Video