. Author manuscript; available in PMC: 2007 Oct 5.

Published in final edited form as: Phys Med Biol. 2006 May 31;51(12):3067–3083. doi: 10.1088/0031-9155/51/12/005

Table 1.

Single-variable simulation results in the three-sphere head model.

SNR	Estimated conductivity ratio	Relative Error
Infinite	25.0002±0.0000	0.0005±0.0000
80	25.0133±0.5764	0.0180±0.0147
60	24.9972±0.6758	0.0232±0.0143
40	25.0698±1.3618	0.0435±0.0355
20	25.8506±1.9717	0.0701±0.0568
15	26.7290±1.8318	0.0856±0.0407