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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Nat Commun. 2015 Sep 15;6:8264. doi: 10.1038/ncomms9264

Figure 2. C. elegans behavioral responses to ultrasound in the presence of microbubbles.

Figure 2

(ai–avii)) Panels show an animal reversing and generating a high-angled omega bend upon ultrasound stimulus. Reversals with greater than two head bends were scored as large, while those with fewer than two head bends were counted as small. Reversals and omega bends are shown with a red line overlaid on the animal tracks on the agar surface. Animal responses to ultrasound stimuli (single 10 ms pulse, 2.25 MHz) with varying peak negative pressures (b) without and (c) with microbubbles were quantified. n = 30 for each of the conditions. Proportion of animals responding and standard error of the proportion are shown. ** indicates p < 0.01 and * indicates p < 0.05 by Fisher’s exact test (2-sided).