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MRI

Tissue contrast

Move the knobs to see how combinations of TR and TE affect tissue weighting and SNR in spin-echo sequences.

Move the knobs to see how combinations of TR and TE result in T1, T2, or PD weighted images in spin-echo sequences.

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This interactive element is best viewed on Desktop
Core Physics Review: MRI Contrast Simulator

Image Contrast

Dominant Contrast - (Estimated from TR & TE)
Adjust TR and TE to control the balance between T1, T2, and PD weighting. The SNR bar is relative and clamped at 10 for scale consistency.