Question: 3. MRI pulses can be applied at either 90 or 180 degree angles. Determine the relative decay for an MRI image using 11/2 (90) and

3. MRI pulses can be applied at either 90 or 180

3. MRI pulses can be applied at either 90 or 180 degree angles. Determine the relative decay for an MRI image using 11/2 (90) and TT (180) rotations using the below equation and constants in white matter and a malignant tumor at the time t=250 ms. Which angle provides more contrast between the two tissue types? , For = = 1- exp 2' M M For = = 1-2 * exp M T1 = 380 ms for white matter, 800 ms for tumor. of P

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