Neurons in the LSO have dendrites arrayed in two directions. They receive inputs from one set of (ipsilateral ) fibers on the dendrites on one side, and inputs from another set of (contralateral via MNTB) fibers on the other side. Nerve fibers donŐt cross over to the other set of dendrites. LSO neurons seem to be structured to make comparisons across ears. The neurons are tonotopically organized. Neurons are excited by ipsilateral inputs and inhibited by contralateral inputs.
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