Neurophysiological Biomarker Toolbox

Neurophysiological Biomarker Toolbox
Initial release18 April 2012 (2012-04-18)
Written inMatlab
Operating systemAll OS supported by Matlab
Available inEnglish
TypeStatistical software
LicenseGPL v3.0
Websitewww.nbtwiki.net

The Neurophysiological Biomarker Toolbox (NBT) is an open source MATLAB toolbox for the computation and integration of neurophysiological biomarkers (e.g., biomarkers based on EEG or MEG recordings).[1] The NBT toolbox has so far been used in seven peer-reviewed research articles, and has a broad user base of more than 1000 users.[2] The NBT toolbox provides unique features for analysis of resting-state EEG or MEG recordings. NBT offers a pipeline from data storage to statistics including artifact rejection, signal visualization, biomarker computation, statistical testing, and biomarker databasing. NBT allows for easy implementation of new biomarkers, and incorporates an online wiki (the NBTwiki[3]) that aims at facilitating collaboration among NBT users including extensive help and tutorials. The standardised way of data storage and analysis that NBT proposes allow different research projects to merge, compare, or share their data and biomarker algorithms.[4]

Features

Neuronal oscillations are generated at many spatial and temporal scales of neuronal organization, and thought to provide a network-level mechanism for the coordination of spatio-temporally distributed spiking activity. For an adequate understanding of quantitative changes in neurophysiological signals, such as electroencephalography (EEG) or magnetoencephalography (MEG), as a consequence of disease, experimental manipulations, or genetic variability there is a need to apply multiple biomarker algorithms.

The aim of the NBT toolbox is to make biomarker research easier at all levels. From having raw data, cleaning it, calculating biomarkers, to performing advanced statistics.

The NBT toolbox includes biomarkers, such as:

  • Standard spectral biomarkers
  • Phase locking value
  • Detrended fluctuation analysis[4]

The toolbox has a standard template for how biomarkers should be implemented, which makes it relatively easy to implement new biomarkers. Originally the toolbox was aimed at biomarkers based on EEG or MEG signals, recently however the toolbox has moved towards supporting almost any type of biomarker data.

The biomarker data and associated meta information is stored in a Matlab-based database; the NBT elements database.

The NBT toolbox works as a plugin to the open-source Matlab toolbox EEGLAB

Commercial EEG analysis mainly targeting large clinical research studies or clinical trials are provided as an service to NBT toolbox by NBT Analytics.

History

The development of the NBT toolbox was started in 2008 by Simon-Shlomo Poil and Klaus Linkenkaer-Hansen from the VU University Amsterdam, The Netherlands. Later the developer team was joined by Rick Jansen, Richard Hardstone, Sonja Simpraga, and Giuseppina Schiavone. The toolbox has also received contributions from many other people.

The toolbox and its associated tutorial website has served as a major part of courses at the VU University Amsterdam; such as, the Human Neurophysiology course (with on average 100 students each year), and the advanced human neurophysiology.

18. April 2012 the first public release of the toolbox was made (release candidate R1). The toolbox has been downloaded more than 1200 times (March 2014).[5] The most recent public version of the NBT toolbox is 5.0.2-alpha (released 13 November 2014).[6]

Scientific publications using the NBT toolbox

  • Poil et al., Age dependent electroencephalographic changes in Attention Deficit/Hyperactivity Disorder (ADHD), Clinical Neurophysiology, 2014 [7]
  • Poil et al., Integrative EEG biomarkers predict progression to Alzheimer's disease at the MCI stage, Frontiers in Aging Neuroscience, 2013 [8]
  • Diaz et al., The Amsterdam Resting-State Questionnaire reveals multiple phenotypes of resting-state cognition, Frontiers in Human Neuroscience, 2013 [9]
  • O'Gorman et al., Coupling Between Resting Cerebral Perfusion and EEG, Brain Topography, 2012 [10]
  • Hardstone et al., Detrended fluctuation analysis: A scale-free view on neuronal oscillations, Frontiers in Fractal Physiology, 2012 [4]

See also

Other open-source toolboxes for analysis of M/EEG recordings:

  • EEGLAB
  • Fieldtrip

References

  1. ↑ Poil, Simon-Shlomo (2013). Neurophysiological Biomarkers of cognitive decline: from criticality to toolbox. VU University Amsterdam. hdl:1871/39640. ISBN 978-90-5335-632-6.
  2. ↑ Poil, Simon-Shlomo. "More than 1000 NBT users". Retrieved 14 May 2015.
  3. ↑ "NBTwiki.net". NBTwiki.net. July 2012. Retrieved 2013-07-21.
  4. 1 2 3 Hardstone, Richard; Poil, Simon-Shlomo; Schiavone, Giuseppina; Jansen, Rick; Nikulin, Vadim V.; Mansvelder, Huibert D.; Linkenkaer-Hansen, Klaus (1 January 2012). "Detrended Fluctuation Analysis: A Scale-Free View on Neuronal Oscillations". Frontiers in Physiology. 3: 450. doi:10.3389/fphys.2012.00450. PMC 3510427. PMID 23226132.
  5. ↑ Poil, Simon-Shlomo. "One year release birthday of NBT". poil.dk. Retrieved 22 July 2013.
  6. ↑ Poil, Simon-Shlomo (13 November 2014). "NBT release 5.0.2-alpha". Retrieved 13 November 2014.
  7. ↑ Poil, S.-S.; Bollmann, S.; Ghisleni, C.; O’Gorman, R.L.; Klaver, P.; Ball, J.; Eich-Höchli, D.; Brandeis, D.; Michels, L. (February 2014). "Age dependent electroencephalographic changes in Attention Deficit/Hyperactivity Disorder (ADHD)". Clinical Neurophysiology. 125 (8): 1626–1638. doi:10.1016/j.clinph.2013.12.118. PMID 24582383. S2CID 2207752.
  8. ↑ Poil, Simon-Shlomo; de Haan, Willem; van der Flier, Wiesje M.; Mansvelder, Huibert D.; Scheltens, Philip; Linkenkaer-Hansen, Klaus (3 October 2013). "Integrative EEG biomarkers predict progression to Alzheimer's disease at the MCI stage". Frontiers in Aging Neuroscience. 5: 58. doi:10.3389/fnagi.2013.00058. PMC 3789214. PMID 24106478.
  9. ↑ Diaz, B. Alexander; Van Der Sluis, Sophie; Moens, Sarah; Benjamins, Jeroen S.; Migliorati, Filippo; Stoffers, Diederick; Den Braber, Anouk; Poil, Simon-Shlomo; Hardstone, Richard; Van't Ent, Dennis; Boomsma, Dorret I.; De Geus, Eco; Mansvelder, Huibert D.; Van Someren, Eus J. W.; Linkenkaer-Hansen, Klaus (1 January 2013). "The Amsterdam Resting-State Questionnaire reveals multiple phenotypes of resting-state cognition". Frontiers in Human Neuroscience. 7: 446. doi:10.3389/fnhum.2013.00446. PMC 3737475. PMID 23964225.
  10. ↑ O'Gorman, RL; Poil, SS; Brandeis, D; Klaver, P; Bollmann, S; Ghisleni, C; Lüchinger, R; Martin, E; Shankaranarayanan, A; Alsop, DC; Michels, L (July 2013). "Coupling between resting cerebral perfusion and EEG" (PDF). Brain Topography. 26 (3): 442–57. doi:10.1007/s10548-012-0265-7. hdl:20.500.11850/71767. PMID 23160910. S2CID 9344965.
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