Preview

open source

Powerful Essays
Open Document
Open Document
1160 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
open source
Biomed Tech 2013; 58 (Suppl. 1) © 2013 by Walter de Gruyter · Berlin · Boston. DOI 10.1515/bmt-2013-4182

EEGLAB – AN OPEN SOURCE MATLAB TOOLBOX FOR
ELECTROPHYSIOLOGICAL RESEARCH
Clemens Brunner1 , Arnaud Delorme2 and Scott Makeig2
1

2

Institute for Knowledge Discovery, Graz University of Technology, Austria
Swartz Center for Computational Neuroscience, Institute for Neural Computation, University of California
San Diego, CA, USA clemens.brunner@tugraz.at Abstract: EEGLAB is a widely used open-source MATLAB toolbox for analysis of electrophysiological data. Using EEGLAB, users can import various data formats, preprocess data (filter, resample, average, epoch), visualize data (signal browser, event-related potentials, power spectra), perform independent component analysis (ICA), use various time/frequency analysis methods such as eventrelated spectral perturbation (ERSP) and inter-trial coherence (ITC). The extensible plug-in architecture enables third parties to contribute additional functionality such as source localization, connectivity estimation or the design of online brain-computer interfaces.
Keywords: Biosignal analysis, MATLAB, software, open source, GPL
Figure 1: Signal browser showing 17 EEG channels with colored event markers, control buttons, and a selected segment (green background between 26–27.4 s).
Introduction
The EEGLAB signal processing environment, an open source software project of the Swartz Center for Computational Neuroscience (SCCN) of the University of California San Diego (UCSD), began as a set of electroencephalogram (EEG) data analysis tools for MATLAB (The Mathworks, Inc.). These tools were made publicly available by
Scott Makeig in 1997, which evolved into EEGLAB, which was first released with a coherent structure and graphical user interface in 2001. More than ten years later, the
EEGLAB reference paper [1] has over 2,500 citations, the opt-in EEGLAB discussion email list links over 6,500 researchers,



Bibliography: Neuroscience Methods, vol. 134, no. 1, pp. 9–21, 2004. pp. 1129–1159, 1995. Intelligence and Neuroscience, vol. 2011, p. 130714, 3 bsp.teithe.gr/members/downloads/Jade

You May Also Find These Documents Helpful

  • Good Essays

    1. When the biceps brachii was at rest, were motor units activated as indicated by amplitude and frequency of sEMG spikes?…

    • 1268 Words
    • 7 Pages
    Good Essays
  • Satisfactory Essays

    Page 1 of 1 BIO1014 Anatomy and Physiology II Lab © 2013 South University 1…

    • 46 Words
    • 1 Page
    Satisfactory Essays
  • Good Essays

    Suboxone Research Paper

    • 794 Words
    • 4 Pages

    |The role of excitatory and inhibitory post-synaptic potentials is summed up by NCBI Bookshelf (n.d.); |…

    • 794 Words
    • 4 Pages
    Good Essays
  • Better Essays

    16. Ferreira LR, Pedreira MLG, Diccini S. Flebite no pre e pos-operatorio de pacientes neurologicos. Acta Paul Enferm. 2007;20:1. Full Text…

    • 2850 Words
    • 10 Pages
    Better Essays
  • Good Essays

    Lou Gehrigs Disease

    • 1581 Words
    • 7 Pages

    from cell to cell. This pattern of electrical signals demonstrates how active the brain is at any…

    • 1581 Words
    • 7 Pages
    Good Essays
  • Good Essays

    It also includes a brief overview of the main points along with some statistical results. The title describes the purpose of the FOCUS system where it gives a quick explanation about the articles statement. The introduction provides background information about the article. This grants a clear understanding of the context and importance of the study. A quick flashback about other related works are summarized in a paragraph in order to distinguish their new reading system. The authors gives some explanations, such as what is electroencephalography (EEG), which is essential part of the brain-computer interface. Although, there are not enough evidences how this details are applied into the FOCUS system (Szafir, 2010). The body was logically organized into scientific headings System Description, Virtual Contents, Design and Procedure, Experiment, Results, Discussions and References. This allowed the reader to read the entire article or just the part which is interested in. Also, the system description and the virtual contents were well written with separate parts in order to describe the operation and importance of each…

    • 1040 Words
    • 5 Pages
    Good Essays
  • Good Essays

    Briefly summarize Juan’s current level of (1) physical, (2) cognitive, and (3) psychosocial development referring to behavioral examples/evidence from the case study to back your answers.…

    • 541 Words
    • 3 Pages
    Good Essays
  • Powerful Essays

    Neuroscience and Dualism

    • 3157 Words
    • 13 Pages

    Lebedev, M.A. “Brain-Machine Interfaces: Past, Present, and Future”. Availible from http://www.cs.uu.nl/docs/rakken/mmpi/papers/lebedev%202006.pdf. Internet accessed 26 September 2008…

    • 3157 Words
    • 13 Pages
    Powerful Essays
  • Good Essays

    * involves analysing activity within brain while performing various cog tasks – allow us to link bhvr & brain function to help understand how info is processed…

    • 552 Words
    • 3 Pages
    Good Essays
  • Powerful Essays

    A brain computer interaction has been developed to record the brain signal / electric activity through Digital…

    • 1399 Words
    • 6 Pages
    Powerful Essays
  • Powerful Essays

    Brain Controlled Car

    • 3157 Words
    • 13 Pages

    helmet based design. This provides a direct access to EEG signals even through scalp hair. Visual stimulation of the brain causes visual evoked potentials (VEPs), which can be measured in the region of the visual cortex [7]. If the stimulation repetition frequency increases above 6 Hz, the VEPs come to a steady state, called steady-state visual evoked potentials (SSVEP). These SSVEP can easily be recorded with the EEG and are suitable for a communication interface in a BCI application. Several SSVEP-BCI systems have been demonstrated by now [8], [9], [10]. Stimulation is often done by LED or flickering areas on a PC screen as separated areas or checkerboards. The signal processing is generally done by power spectral density analysis or correlation analysis [11]. II. SENSORS & SYSTEM A. Sensor The capacitive coupling between the body and our sensor is based on a metallic electrode plate…

    • 3157 Words
    • 13 Pages
    Powerful Essays
  • Better Essays

    HIGH-VOLTAGE NEURAL STIMULATOR COMBINED WITH A LOW-VOLTAGE RECORDER Ulrich Bihr, Jens Anders, Joachim Becker and Maurits Ortmanns Institute of Microelectronics, University of Ulm, Ulm, Germany Ulrich.Bihr@uni-ulm.de Abstract: This paper presents a high-voltage (HV) neural stimulator combined with a low-voltage (LV) neural recorder. In many bidirectional neural implementations with a high voltage compliance for the stimulation is it not possible to have a high density due to the high power consumption in the recording part with the same HV supply. This realization shows a stimulator with a HV supply of 7.5V to enable high voltage compliance together with a neural recorder, which uses a LV supply of 1.65V to minimize the power consumption of the recording.…

    • 1661 Words
    • 7 Pages
    Better Essays
  • Good Essays

    I am very intrigued and impressed with the work being done in the NIH project evaluating brain activity during…

    • 473 Words
    • 2 Pages
    Good Essays
  • Good Essays

    For that, participants were required to wash their hair and were afterwards seated in a comfortable chair in a sound-attenuated room with a screen placed approximately 1m in front of them. An EEG cap was fitted on the participant using the regular EEG cap preparation procedures. Firstly, the participant's skin was prepared with an abrasive gel and alcohol, whereafter a mobile 24 channel EEG cap was put on the head. A little amount of electrolyte gel (Abralyt HiCl, Easycap GmbH, Germany) was inserted into the silver chloride (Ag/AgCl) electrodes to reduce the contact impedance, which was maximally at 20 kΩ for the majority of the participants. One of the cap sensors (CPz) was extracted from its usual position on the cap and was instead attached on the participant's lower left back, with a purpose of recording ECG activity. It was attached by Leukosilk tape (Beiersdorf AG, Germany), supposing to prevent the electrode from moving. All the sensors were connected to a wireless mobile 24-channel direct current EEG amplifier (SMARTING, mBrainTrain, Serbia) attached at the back of the head. EEG and ECG data were obtained with 24 bit resolution and 500 Hz sampling rate, against a reference (FCz) and a ground electrode (Fz) and wirelessly sent to a recording computer via Bluetooth connection. Additionally, participants were equipped with the eye-tracking glasses, measuring pupil diameter (SMI, Teltow, Germany) with a sampling rate of 30 Hz. Its signals were transmitted to the same recording computer as EEG and ECG measures through a wired connection. All three measurement methods plus the marker stream were, then, integrated utilizing the 'lab streaming layer' package, which unifies and time synchronizes incoming measures (see Fig.…

    • 1654 Words
    • 7 Pages
    Good Essays
  • Good Essays

    Brainwave Entrainment

    • 892 Words
    • 4 Pages

    Keywords— BrainWave Entrainment, Binaural Beats, Auditory and Visual Stimuli, Mind, Frequency Following Response, Monaural Beats, Isochronic tones…

    • 892 Words
    • 4 Pages
    Good Essays