Defined Vocabulary for Nervous System Structural Connectivity Description
Defined Vocabulary for Nervous System Structural Connectivity Description This is the defined vocabulary for the Foundational Model of Connectivity, originally published as Supporting Text in Swanson, L.W. & Bota, M. (2010) Foundational model of nervous system structural connectivity with a schema for wiring diagrams, connectome, and basic plan architecture. Proceedings of the National Academy of Sciences USA 107:20610-20617. It provides standard terms (concepts) for describing the organization of neural networks in all animals at all levels of resolution, and it complements the accompanying Defined Vocabulary for Nervous System Network Analysis. Standard terms are bolded. There is a bibliography after the lexicon, followed by text describing construction of the lexicon. Afferent: Generally, a connection or pathway to a node. 1. The complementary terms afferent and efferent were first used by Unzer (1771; see English translation, 1851, pp. 69, 254) to indicate toward or away from, respectively, the central nervous system (Meckel, 1817) or, conversely, away from or toward the non-neuronal tissues of the body; see Sherrington (1900, p. 784), Clarke & O’Malley (1996, p. 342). These neutral terms avoid functional implications that may or may not be valid; for example, afferent information from the skin may not be sensory if it does not reach the level of consciousness. 2. A connection or projection to a gray matter region, neuron type (Bota & Swanson, 2007), neuron (Waldeyer, 1891), or site. The preferred synonym is input. Afterbrain (Baer, 1837): Synonym for medulla (Winslow, 1733); term introduced for vertebrates by Baer (1837, p. 107, in the original German, Nachhirn). Also see His (1895, p.
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