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Nat Protoc. 2008;3(5):866-76. doi: 10.1038/nprot.2008.51.

L-Measure: a web-accessible tool for the analysis, comparison and search of digital reconstructions of neuronal morphologies.

Author information

1
Krasnow Institute for Advanced Study, George Mason University, Fairfax, Virginia 22030, USA.

Abstract

L-Measure (LM) is a freely available software tool for the quantitative characterization of neuronal morphology. LM computes a large number of neuroanatomical parameters from 3D digital reconstruction files starting from and combining a set of core metrics. After more than six years of development and use in the neuroscience community, LM enables the execution of commonly adopted analyses as well as of more advanced functions. This report illustrates several LM protocols: (i) extraction of basic morphological parameters, (ii) computation of frequency distributions, (iii) measurements from user-specified subregions of the neuronal arbors, (iv) statistical comparison between two groups of cells and (v) filtered selections and searches from collections of neurons based on any Boolean combination of the available morphometric measures. These functionalities are easily accessed and deployed through a user-friendly graphical interface and typically execute within few minutes on a set of approximately 20 neurons. The tool is available at http://krasnow.gmu.edu/cn3 for either online use on any Java-enabled browser and platform or download for local execution under Windows and Linux.

PMID:
18451794
PMCID:
PMC4340709
DOI:
10.1038/nprot.2008.51
[Indexed for MEDLINE]
Free PMC Article

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