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Dendritic-branching angles of pyramidal neurons of the human cerebral cortex

AuthorsFernandez-Gonzalez, Pablo; Benavides-Piccione, Ruth CSIC ORCID; Leguey, Ignacio; Bielza, Concha; Larrañaga, Pedro; DeFelipe, Javier
KeywordsDendrite structure
Directional statistics
Branching angle distribution
Neuronal data analysis
Temporal cortex
Cortical layers
Issue DateMay-2017
PublisherSpringer Nature
CitationBrain Structure and Function 222(4): 1847-1859 (2017)
AbstractIn this article, we analyze branching angles of the basal dendrites of pyramidal neurons of layers III and V of the human temporal cortex. For this, we use a novel probability directional statistical distribution called truncated von Mises distribution that is able to describe more accurately the dendritic-branching angles than the previous proposals. Then, we perform comparative studies using this statistical method to determine similarities and/or differences between branches and branching angles that belong to different cortical layers and regions. Using this methodology, we found that common design principles exist and govern the patterns found in the different branches that compose the basal dendrites of human pyramidal cells of the temporal cortex. However, particular differences were found between supra and infragranular cells. Furthermore, we compared the branching angles of human layer III pyramidal neurons with data obtained in the previous studies in layer III of both the rat somatosensory cortex and of several cortical areas of the mouse. Finally, we study the branching angle differences between the humans that compose our data.
Description© The Author(s) 2016
Publisher version (URL)http://dx.doi.org/10.1007/s00429-016-1311-0
Appears in Collections:(IC) Artículos
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