Fig. 3. Effects of killing or depolarizing the command interneurons. (A) Command interneurons sustain both swimming (left panels) and quiescence (right panels). (B) Depolarization of command interneurons increases quiescence. Left and right panels as in A. (C) Progressive increase in quiescence with all command interneurons except AVB depolarized [nmr-1::GLR-1(A/T)], all command interneurons including AVB depolarized, [glr-1::GLR-1(A/T)] and AVB depolarized and the remaining command interneurons killed [glr-1::GLR-1(A/T):nmr-1::ICE]. Typical single worm swimming (gray)–quiescence (black) behavior. Wild-type data are the same as in Fig. 1D (N2, Bristol).