Figure 2.

Basic circuit structure of microcomplex. Abbreviations: CF, climbing fiber; GR, granule cell; IO, inferior olive; MF, mossy fiber; NN/VN, nuclear neuron/vestibular nuclear neuron; no, nucleoolivary pathway; nro, nucleorubroolivary pathway; PC, Purkinje cell; PCN, precerebellar neuron; PF, parallel fiber; pRN, parvocellular red nucleus; eNN, excitatory nuclear neuron; iNN, inhibitory nuclear neuron; ro, rubroolivary pathway; nr, nucleorubral pathway Inhibitory neurons are in black (others are excitatory).