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  • Title: Electrophysiologic evidence for involvement of acetylcholine as a neurotransmitter in the lateral vestibular nucleus.
    Author: Ito J, Matsuoka I, Sasa M, Fujimoto S, Takaori S.
    Journal: Otolaryngol Head Neck Surg; 1981; 89(6):1025-9. PubMed ID: 6121314.
    Abstract:
    Monosynaptic spike generation of lateral vestibular nucleus (LVN) neurons with vestibular nerve stimulation in cats was inhibited by microiontophoretic atropine and gamma-aminobutyric acid (GABA). Spontaneous firing of the LVN monosynaptic neuron was increased by iontophoretic acetylcholine and glutamate. Atropine inhibited acetylcholine-induced firing without affecting glutamate-induced firing, while GABA blocked spike generation produced by acetylcholine and glutamate. Acetylcholine probably plays a role in transmission from the vestibular nerve to the LVN monosynaptic neurons.
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