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      EEGLAB: an open source toolbox for analysis of single-trial EEG dynamics including independent component analysis.

        1 ,
      Journal of neuroscience methods
      Elsevier BV

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          Abstract

          We have developed a toolbox and graphic user interface, EEGLAB, running under the crossplatform MATLAB environment (The Mathworks, Inc.) for processing collections of single-trial and/or averaged EEG data of any number of channels. Available functions include EEG data, channel and event information importing, data visualization (scrolling, scalp map and dipole model plotting, plus multi-trial ERP-image plots), preprocessing (including artifact rejection, filtering, epoch selection, and averaging), independent component analysis (ICA) and time/frequency decompositions including channel and component cross-coherence supported by bootstrap statistical methods based on data resampling. EEGLAB functions are organized into three layers. Top-layer functions allow users to interact with the data through the graphic interface without needing to use MATLAB syntax. Menu options allow users to tune the behavior of EEGLAB to available memory. Middle-layer functions allow users to customize data processing using command history and interactive 'pop' functions. Experienced MATLAB users can use EEGLAB data structures and stand-alone signal processing functions to write custom and/or batch analysis scripts. Extensive function help and tutorial information are included. A 'plug-in' facility allows easy incorporation of new EEG modules into the main menu. EEGLAB is freely available (http://www.sccn.ucsd.edu/eeglab/) under the GNU public license for noncommercial use and open source development, together with sample data, user tutorial and extensive documentation.

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          Author and article information

          Journal
          J Neurosci Methods
          Journal of neuroscience methods
          Elsevier BV
          0165-0270
          0165-0270
          Mar 15 2004
          : 134
          : 1
          Affiliations
          [1 ] Swartz Center for Computational Neuroscience, Institute for Neural Computation, University of California San Diego, La Jolla, CA 92093-0961, USA. arno@sccn.ucsd.edu
          Article
          S0165027003003479
          10.1016/j.jneumeth.2003.10.009
          15102499
          f2a95cc3-9e73-4d95-9d4f-c6f0821ee72e
          History

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