Table 1.

Viscoelastic properties of brain tissue (mean ± 1 s.d.).

	k ()		α (1)		(kPa)		G″ (kPa)
frequency (Hz)	grey	white	grey	white	grey	white	grey	white
45 (n = 6)	1.68 ± 0.142	1.46 ± 0.161	23.7	23.7	2.8 ± 0.5	3.7 ± 0.8	0.80 ± 0.2	1.3 ± 0.4
60 (n = 5)	1.99 ± 0.126	1.89 ± 0.305	51.1	51.1	3.1 ± 0.3	3.3 ± 0.1	1.7 ± 0.3	2.0 ± 0.1
80 (n = 4)	2.26 ± 0.104	2.17 ± 0.131	54.3	54.3	4.4 ± 0.3	4.7 ± 0.6	2.3 ± 0.2	2.4 ± 0.5