Table 2.

Values of T₁ used to calculate the IR sequence for Fig. 4

Tissue	(ms)	(ms)
Scalp fat	96 ± 2	223 ± 45
CSF	1,770 ± 130	4,360 ± 600
Brain	85 ± 3	453 ± 117
Blood	190 ± 39	450*

^*This value was determined by a nulling experiment that did not yield an error bar.