The Basics of MRI: T1 vs. T2
The Basics of MRI: T1 vs. T2
The Basics of MRI: T1 vs. T2
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Frank Minja, HMS III<br />
Gillian Lieberman, MD<br />
Spinning Protons a.k.a Tiny Magnetic Moments<br />
• Each magnetic moment is a vector with a finite size and direction<br />
• <strong>The</strong> net magnetic moment is the vectorial sum <strong>of</strong> these tiny magnetic<br />
moments<br />
• At random these magnetic moments cancel each other out leaving a net<br />
magnetic moment <strong>of</strong> zero<br />
• Note the protons continue to spin!<br />
• Spinning Protons a.k.a Tiny Magnetic Moments<br />
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