Fig. 8.

LEV-induced paralysis expels worm through worm trap. Trace shows a representative EPG recording from an N2 worm; vertical bar marks perfusate switch from M9-5HT to 10 mM LEV in M9-5HT. During baseline, the EPG signal was of normal amplitude (inset) (in this example, baseline pumping had gaps). Following the switch to LEV, EPG signal amplitude increased (inset), followed by loss of the signal (red arrow) when the worm was expelled from the chip's recording module into the waste reservoir. All traces are shown at the same vertical scale. (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)