Table 1.

Data for the different frequencies tested.

Frequency (MHz)	Pressure amplitude (MPa)*	N locations (threshold)	Reference(s)	N locations (histology)	Reference
0.26	0.1 – 0.6	54	1, 2	7	2
0.69	0.4 – 1.5	60	3, 4	8	4
1.50	0.4 – 2.6	119**	5	--	--
1.63	0.7 – 4.7	139***	6, 7	13****	7
2.04	0.3 – 2.3	40	N/A	8	N/A

^*Estimates in the brain;

^**30s sonications in rats, 3T MRI; all other data acquired in rabbits with 20s sonications, 1.5T MRI;

^***100 ms bursts; all other data used 10 ms bursts;

^****Animals sacrificed 72h after sonication; all other cases, animals were sacrificed 4h after sonication

¹(Hynynen et al. 2006)

²(McDannold et al. 2006)

³(Hynynen et al. 2005)

⁴(McDannold et al. 2007b)

⁵(Treat et al. 2007)

⁶(Hynynen et al. 2001)

⁷(McDannold et al. 2005)