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. 2008 Dec 10;101(2):824–833. doi: 10.1152/jn.91079.2008

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FIG. 2. — Polysensory type I_b interneurons project to pedal neurons innervating foot contraction and activation of foot cilia. Simultaneous recordings from I_b interneurons and efferent neurons in semi-intact preparations. A: depolarization of a type I_b interneuron with a 2-s current pulse evoked spikes recorded from a contralateral tail contractile (TC₁) efferent neuron. B: depolarization of a type I_b interneuron with a 2-s current pulse evoked spikes recorded from a different contralateral tail contractile (TC₂) efferent neuron located in the rostral region of the pedal ganglion. C: depolarization of an I_b interneuron with a 2-s depolarizing current pulse evoked spikes recorded from a lateral foot contractile (LFC) efferent neuron that produced foot narrowing. D: depolarization of an I_b interneuron evoked a complex excitatory postsynaptic potential (EPSP) recorded from a dorsal ciliary (DC) efferent neuron.