| Substance | T1 weighted | T2 weighted |
| Water/Vitreous/CSF | black | Light grey or white |
| Fat | White | Light grey |
| Muscle | Grey | Grey |
| Air | Black | Black |
| Fatty bone marrow | White | Light Grey |
| Brain: White matter | Light Grey | Grey |
| Brain: Grey matter | Grey | very light grey |
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