10:33   MRI Physics | Magnetic Resonance and Spin Echo Sequences - Johns Hopkins Radiology 0:32   Spin echo 1 0:24   NMR excitation and relaxation 0:13   MRI principles 2 of 4 -- T2 dephasing.avi 0:26   T2* MRI :-) 0:16   MRI principles 1 of 4 -- 90 degree pulse and T1 relaxation.avi 0:35   5 3 7 1 SpinEcho V2 0:37   Spin Echo Consolidated (expand the description below for a detailed explanation) 9:20   What’s the difference between T1 and T2 relaxation? - MRI physics explained 0:09   MRI principles 4 of 4 -- 180 degree pulse.avi 6:40   SPIN ECHO SEQUENCES 4:04   MRI: INCOHERENT GRADIENT ECHO