neuromap: a spline-based interactive open-source software for spatiotemporal mapping of 2d and 3d mea data

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ID: 200923
2011
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Abstract
A major characteristic of neural networks is the complexity of their organization at various spatial scales, from microscopic local circuits to macroscopic brain-scale areas. Understanding how neural information is processed thus entails the ability to study them at multiple scales simultaneously. This is made possible using microelectrodes array (MEA) technology. Indeed, high-density MEAs provide large-scale covering (several mm²) of whole neural structures combined with microscopic resolution (about 50µm) of unit activity. Yet, current options for spatiotemporal representation of MEA-collected data remain limited. Here we present NeuroMap, a new interactive Matlab-based software for spatiotemporal mapping of MEA data. NeuroMap uses thin plate spline interpolation, which provides several assets with respect to conventional mapping methods used currently. First, any MEA design can be considered, including 2D or 3D, regular or irregular, arrangements of electrodes. Second, spline interpolation allows the estimation of activity across the tissue with local extrema not necessarily at recording sites. Finally, this interpolation approach provides a straightforward analytical estimation of the spatial Laplacian for better current sources localization. In this software, coregistration of 2D MEA data on the anatomy of the neural tissue is made possible by fine matching of anatomical data with electrode positions using rigid deformation based correction of anatomical pictures. Overall, NeuroMap provides substantial material for detailed spatiotemporal analysis of MEA data. The package is distributed under GNU General Public License (GPL) and available at http://sites.google.com/site/neuromapsoftware.
Reference Key
eabdoun2011frontiersneuromap: Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Oussama eAbdoun;Oussama eAbdoun;Sébastien eJoucla;Sébastien eJoucla;Claire eMazzocco;Claire eMazzocco;Blaise eYvert;Blaise eYvert
Journal Nucleic Acids Research
Year 2011
DOI
10.3389/fninf.2010.00119
URL
http://journal.frontiersin.org/Journal/10.3389/fninf.2010.00119/full
Keywords
neuroimaging electrophysiology neural networks microelectrode array neuropsychiatry biological psychiatry current source densityneurosciences

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