===== MRI Parameter Relationships =====
^Parameter Increased^TIME^SNR^CNR^RESOLUTION^ARTIFACTS AND NOTES^
|TR|+|+|-|N/A|Increased TR reduces T1 weighting|
|TE|N/A|-|+|N/A|Increased TE increases T2 weighting|
|ETL|-|-|+|N/A |High ETL can cause image blur; increases T2 weighting; MT effects; reduces susceptibility|
|BANDWIDTH|-|--|-|N/A|Reduces echo spacing; increase image sharpness; decrease chem shift; reduce motion|
|FREQ MATRIX|+|-|N/A|+|Increases TE|
|PHASE MATRIX|+|-|N/A|+|||
|FOV|N/A|++|N/A|-|Reduces wrap artifact|
|NEX|++|+|N/A|N/A|Reduces motion; SNR increase sqrt2|
|SLICE THICKNESS|N/A|++|N/A|-|Increases volume averaging||||

Provided by Scott Johnson, MS RT (R)(MR) - edited by meuon, a weird spinning particle in the machine.