Table 5.

Results of least squares fitting to eqns (2) and (3) assuming relaxation rates are linear combination of contributions of Mn and Fe, which exist independently in the brain

	r1,Mn	r1,Fe	pMn	pFe	r2
(a) r1 (Mean±SE), significances of r1 and square of correlation coefficient
CB	0.88±0.30	−0.028±0.010	8.38E−03	1.54E−02	0.66
BS	1.41±0.23	−0.047±0.015	9.82E−06	4.99E−03	0.79
MB	0.80±0.42	−0.15±0.038	7.07E−02	8.34E−04	0.57
HP	−0.71±0.26	0.004±0.015	1.42E−02	7.85E−01	0.29
ST	0.99±0.14	−0.096±0.024	1.86E−06	7.06E−04	0.73
CX	2.36±0.82	0.001±0.031	1.06E−02	9.63E−01	0.45
	r2,Mn	r2,Fe	pMn	pFe	r2
(b) r2 (Mean±SE), significances of r2 and square of correlation coefficient
CB	5.02±3.04	−0.20±0.11	1.16E−01	7.75E−02	0.43
BS	3.94±1.81	−0.48±0.11	4.28E−02	6.28E−04	0.65
MB	8.38±4.10	0.31±0.37	5.57E−02	4.20E−01	0.19
HP	1.75±1.94	−0.00±0.11	3.79E−01	9.71 E 01	0.04
ST	8.44±1.24	−0.52±0.20	2.23E−06	2.11E−02	0.73
CX	−4.49±19.24	−1.42±0.73	8.18E−01	6.86E−02	0.25

Note: CB, cerebellum; BS, brainstem; MB, midbrain; HP, hippocampus; ST, striatum; CX, cortex.

p – significance of the relaxivities.

r² – square of correlation coefficient.