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Spinal neural circuits are established through the navigation of multiple types of neuronal axon to their appropriate synaptic targets. Chédotal reviews the cellular and molecular mechanisms that control this complex wiring, incorporating recent discoveries of new guidance factors.
Much of the mammalian nervous system is innervated by neurons that express and release 5-hydroxytryptamine (5-HT). In this Review, Okaty, Commons and Dymecki explore the diversity in the properties and function of the 5-HT neuronal system.
How is the processing of auditory information by the cortex organized? Scott and colleagues describe differences in the connectivity and properties of the rostral and caudal auditory cortex and propose links to the functional specializations of the rostral and caudal auditory streams.
In this Opinion article, Martijn van den Heuvel and Olaf Sporns examine alterations in structural and functional brain connectivity across brain disorders. They propose a common landscape for such alterations that is based on principles of network organization.