Synonyms
Betweenness; Brain hubs; Centrality; Closeness centrality; Clusters; Communication; Complex cognitive function; Diffusion tensor imaging; DTI; Functional connectivity; Human brain connectivity; Human connectome; Information integration; Integration; Magnetic resonance imaging; MRI; Network analysis; Network hubs; Neural activity
Definition
Broadly speaking, a hub is a node which plays a central and important role in network function. Hubs can be detected through a number of related measures. For instance, high degree centrality, or a high total number of connections, is indicative of a network hub. Other centrality measures used to identify the presence of a hub are closeness centrality (a measure of the average number of connections separating the node from all other nodes) and betweenness centrality (a measure of how many of the shortest paths between nodes in the network pass through the given node (see Crossley et al. 2016b). In addition, nodes which connect different...
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References and Reading
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Kirwan, B., Bodily, T. (2017). Network Hubs. In: Kreutzer, J., DeLuca, J., Caplan, B. (eds) Encyclopedia of Clinical Neuropsychology. Springer, Cham. https://doi.org/10.1007/978-3-319-56782-2_9072-1
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DOI: https://doi.org/10.1007/978-3-319-56782-2_9072-1
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