Dietmar Plenz

Summary

Affiliation: National Institutes of Health
Country: USA

Publications

  1. pmc Coherence potentials: loss-less, all-or-none network events in the cortex
    Tara C Thiagarajan
    Section on Critical Brain Dynamics, National Institute of Mental Health, Bethesda, Maryland, United States of America
    PLoS Biol 8:e1000278. 2010
  2. pmc Efficient network reconstruction from dynamical cascades identifies small-world topology of neuronal avalanches
    Sinisa Pajevic
    Division of Computational Bioscience, Mathematical and Statistical Computing Laboratory, Center for Information Technology, National Institutes of Health, Bethesda, Maryland, United States of America
    PLoS Comput Biol 5:e1000271. 2009
  3. ncbi request reprint The organizing principles of neuronal avalanches: cell assemblies in the cortex?
    Dietmar Plenz
    Section of Neural Network Physiology, National Institute of Mental Health, Porter Neuroscience Research Center, 35 Convent Drive, Bethesda, MD 20892, USA
    Trends Neurosci 30:101-10. 2007
  4. pmc Maximal variability of phase synchrony in cortical networks with neuronal avalanches
    Hongdian Yang
    Section on Critical Brain Dynamics, Laboratory of Systems Neuroscience, National Institutes of Mental Health, Bethesda, Maryland 20892, USA
    J Neurosci 32:1061-72. 2012
  5. pmc Information capacity and transmission are maximized in balanced cortical networks with neuronal avalanches
    Woodrow L Shew
    Section on Critical Brain Dynamics, Laboratory of Systems Neuroscience, National Institutes of Mental Health, Bethesda, Maryland 20892, USA
    J Neurosci 31:55-63. 2011
  6. ncbi request reprint Action potential timing determines dendritic calcium during striatal up-states
    Jason N D Kerr
    Unit of Neural Network Physiology, Laboratory of Systems Neuroscience, National Institute of Mental Health, Bethesda, Maryland 20892, USA
    J Neurosci 24:877-85. 2004
  7. ncbi request reprint A comparative voltage and current-clamp analysis of feedback and feedforward synaptic transmission in the striatal microcircuit in vitro
    Nicholas Gustafson
    Unit of Neural Network Physiology, Laboratory of Systems Neuroscience, National Institute of Mental Health, Bethesda, MD 20892, USA
    J Neurophysiol 95:737-52. 2006
  8. pmc Spontaneous cortical activity in awake monkeys composed of neuronal avalanches
    Thomas Petermann
    Section on Critical Brain Dynamics, National Institute of Mental Health, Bethesda, MD 20892, USA
    Proc Natl Acad Sci U S A 106:15921-6. 2009
  9. ncbi request reprint Neuronal avalanches are diverse and precise activity patterns that are stable for many hours in cortical slice cultures
    John M Beggs
    Unit of Neural Network Physiology, Laboratory of Systems Neuroscience, National Institute of Mental Health, Bethesda, Maryland 20892, USA
    J Neurosci 24:5216-29. 2004
  10. pmc Neuronal avalanches imply maximum dynamic range in cortical networks at criticality
    Woodrow L Shew
    Section on Critical Brain Dynamics, Laboratory of Systems Neuroscience, National Institute of Mental Health, Bethesda, Maryland 20892, USA
    J Neurosci 29:15595-600. 2009

Collaborators

Detail Information

Publications29

  1. pmc Coherence potentials: loss-less, all-or-none network events in the cortex
    Tara C Thiagarajan
    Section on Critical Brain Dynamics, National Institute of Mental Health, Bethesda, Maryland, United States of America
    PLoS Biol 8:e1000278. 2010
    ..Such nonlinear behavior is analogous to the spread of ideas and behaviors in social networks...
  2. pmc Efficient network reconstruction from dynamical cascades identifies small-world topology of neuronal avalanches
    Sinisa Pajevic
    Division of Computational Bioscience, Mathematical and Statistical Computing Laboratory, Center for Information Technology, National Institutes of Health, Bethesda, Maryland, United States of America
    PLoS Comput Biol 5:e1000271. 2009
    ..With experimental data, NC identified a functional and structural small-world topology and its corresponding traffic in cortical networks with neuronal avalanche dynamics...
  3. ncbi request reprint The organizing principles of neuronal avalanches: cell assemblies in the cortex?
    Dietmar Plenz
    Section of Neural Network Physiology, National Institute of Mental Health, Porter Neuroscience Research Center, 35 Convent Drive, Bethesda, MD 20892, USA
    Trends Neurosci 30:101-10. 2007
    ..We propose that avalanches reflect the transient formation of cell assemblies in the cortex and discuss various models that provide mechanistic insights into the underlying dynamics, suggesting that they arise in a critical regime...
  4. pmc Maximal variability of phase synchrony in cortical networks with neuronal avalanches
    Hongdian Yang
    Section on Critical Brain Dynamics, Laboratory of Systems Neuroscience, National Institutes of Mental Health, Bethesda, Maryland 20892, USA
    J Neurosci 32:1061-72. 2012
    ..However, if variable synchrony is beneficial, then by operating near criticality the cortex may doubly benefit from moderate mean and maximized variability of synchrony...
  5. pmc Information capacity and transmission are maximized in balanced cortical networks with neuronal avalanches
    Woodrow L Shew
    Section on Critical Brain Dynamics, Laboratory of Systems Neuroscience, National Institutes of Mental Health, Bethesda, Maryland 20892, USA
    J Neurosci 31:55-63. 2011
    ..Close agreement between our experiments and model suggest that neuronal avalanches and peak information capacity arise because of criticality and are general properties of cortical networks with balanced E/I...
  6. ncbi request reprint Action potential timing determines dendritic calcium during striatal up-states
    Jason N D Kerr
    Unit of Neural Network Physiology, Laboratory of Systems Neuroscience, National Institute of Mental Health, Bethesda, Maryland 20892, USA
    J Neurosci 24:877-85. 2004
    ..We suggest that this mechanism might play an important role in synaptic plasticity of the corticostriatal pathway...
  7. ncbi request reprint A comparative voltage and current-clamp analysis of feedback and feedforward synaptic transmission in the striatal microcircuit in vitro
    Nicholas Gustafson
    Unit of Neural Network Physiology, Laboratory of Systems Neuroscience, National Institute of Mental Health, Bethesda, MD 20892, USA
    J Neurophysiol 95:737-52. 2006
    ..The reversal potential close to the up-state potential, which supports shunting operation with millisecond precision and the strong synaptic depression, should enable both pathways to carry time-critical information...
  8. pmc Spontaneous cortical activity in awake monkeys composed of neuronal avalanches
    Thomas Petermann
    Section on Critical Brain Dynamics, National Institute of Mental Health, Bethesda, MD 20892, USA
    Proc Natl Acad Sci U S A 106:15921-6. 2009
    ..Such scale-invariance has ontogenetic and phylogenetic implications because it allows large increases in network capacity without a fundamental reorganization of the system...
  9. ncbi request reprint Neuronal avalanches are diverse and precise activity patterns that are stable for many hours in cortical slice cultures
    John M Beggs
    Unit of Neural Network Physiology, Laboratory of Systems Neuroscience, National Institute of Mental Health, Bethesda, Maryland 20892, USA
    J Neurosci 24:5216-29. 2004
    ....
  10. pmc Neuronal avalanches imply maximum dynamic range in cortical networks at criticality
    Woodrow L Shew
    Section on Critical Brain Dynamics, Laboratory of Systems Neuroscience, National Institute of Mental Health, Bethesda, Maryland 20892, USA
    J Neurosci 29:15595-600. 2009
    ....
  11. pmc Homeostasis of neuronal avalanches during postnatal cortex development in vitro
    Craig V Stewart
    Section on Critical Brain Dynamics, National Institute of Mental Health, Bethesda, MD 20892, USA
    J Neurosci Methods 169:405-16. 2008
    ..5) and a critical branching parameter close to 1. Our findings suggest that cortical networks homeostatically regulate a critical state during postnatal maturation...
  12. doi request reprint Higher-order interactions characterized in cortical activity
    Shan Yu
    Section on Critical Brain Dynamics, Laboratory of Systems Neuroscience, National Institute of Mental Health, Bethesda, Maryland 20892 9663, USA
    J Neurosci 31:17514-26. 2011
    ..Our results demonstrate that higher-order interactions are inherent properties of cortical dynamics and suggest a simple solution to overcome the apparent formidable complexity previously thought to be intrinsic to those interactions...
  13. pmc Neuronal avalanches organize as nested theta- and beta/gamma-oscillations during development of cortical layer 2/3
    Elakkat D Gireesh
    Laboratory of Systems Neuroscience, National Institute of Mental Health, 9000 Rockville Pike, Bethesda, MD 20892, USA
    Proc Natl Acad Sci U S A 105:7576-81. 2008
    ..We suggest that the repetitive formation of neuronal avalanches provides an intrinsic template for the selective linking of external inputs to developing superficial layers...
  14. pmc Fast synaptic transmission between striatal spiny projection neurons
    Uwe Czubayko
    Unit of Neural Network Physiology, Laboratory of Systems Neuroscience, National Institute of Mental Health, 9000 Rockville Pike, Bethesda, MD 20892, USA
    Proc Natl Acad Sci U S A 99:15764-9. 2002
    ..This activity-dependent collateral interaction provides the basis for a new class of basal ganglia models in which striatal neurons cooperate as well as compete during processing of cortical inputs...
  15. pmc Statistical analyses support power law distributions found in neuronal avalanches
    Andreas Klaus
    Section on Critical Brain Dynamics, National Institute of Mental Health, Bethesda, MD 20892, USA
    PLoS ONE 6:e19779. 2011
    ..In summary, our findings strongly support the power law scaling in neuronal avalanches, providing further evidence for critical state dynamics in superficial layers of cortex...
  16. pmc Simultaneous multi-electrode array recording and two-photon calcium imaging of neural activity
    Woodrow L Shew
    Section on Critical Brain Dynamics National Institute of Mental Health, Bethesda, MD 20892, USA
    J Neurosci Methods 192:75-82. 2010
    ..intact inhibitory interactions between neurons...
  17. ncbi request reprint When inhibition goes incognito: feedback interaction between spiny projection neurons in striatal function
    Dietmar Plenz
    Unit of Neural Network Physiology, Laboratory of Systems Neuroscience, National Institute of Mental Health, National Institutes of Health, Bethesda 20892, USA
    Trends Neurosci 26:436-43. 2003
    ..They have also suggested new experimental directives for examining the specific ways in which spiny projection neurons both compete and cooperate through their local axon collaterals during cortical input processing...
  18. ncbi request reprint Inverted-U profile of dopamine-NMDA-mediated spontaneous avalanche recurrence in superficial layers of rat prefrontal cortex
    Craig V Stewart
    Unit of Neural Network Physiology, Laboratory of Systems Neuroscience, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland 20892, USA
    J Neurosci 26:8148-59. 2006
    ..4. We suggest that the dopamine-NMDA-dependent spontaneous recurrence of specific avalanches in superficial cortical layers might facilitate integrative and associative aspects of PFC functions...
  19. doi request reprint Preparation and maintenance of organotypic cultures for multi-electrode array recordings
    Veronica C Karpiak
    Laboratory of Systems Neuroscience, NIMH, NIH, Bethesda, Maryland, USA
    Curr Protoc Neurosci . 2002
    ..This unit describes the detailed steps necessary for growing organotypic cultures on MEAs and the typical neuronal activity that is obtained with this methodology...
  20. ncbi request reprint Neuronal avalanches in neocortical circuits
    John M Beggs
    Unit of Neural Network Physiology, Laboratory of Systems Neuroscience, National Institute of Mental Health, Bethesda, Maryland 20892 4075, USA
    J Neurosci 23:11167-77. 2003
    ..In the critical state, the network may satisfy the competing demands of information transmission and network stability...
  21. pmc Angiogenic factors stimulate growth of adult neural stem cells
    Andreas Androutsellis-Theotokis
    Laboratory of Molecular Biology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
    PLoS ONE 5:e9414. 2010
    ..The adult mammalian brain is a source of neural stem cells (NSC) found in both neurogenic and non-neurogenic zones but difficulties in culturing these hinders their use as research tools...
  22. pmc Scale-invariant neuronal avalanche dynamics and the cut-off in size distributions
    Shan Yu
    Section of Critical Brain Dynamics, National Institute of Mental Health, Bethesda, Maryland, United States of America
    PLoS ONE 9:e99761. 2014
    ..Thus, avalanche analysis needs to be constrained to the size of the observation window to reveal the underlying scale-invariant organization produced by locally unfolding, predominantly feed-forward neuronal cascades. ..
  23. pmc Neuronal avalanches in the resting MEG of the human brain
    Oren Shriki
    Section on Critical Brain Dynamics, National Institute of Mental Health, Bethesda, Maryland 20892, USA
    J Neurosci 33:7079-90. 2013
    ..Theory and experiment have shown that such critical, scale-free dynamics optimize information processing. Therefore, our findings imply that the human brain attains an optimal dynamical regime for information processing...
  24. pmc Direct magnetic resonance detection of neuronal electrical activity
    Natalia Petridou
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, Laboratory of Systems Neuroscience, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA
    Proc Natl Acad Sci U S A 103:16015-20. 2006
    ..Similarly, for MR images obtained at 3 T, the MR signal changed solely in voxels containing the culture, thus allowing the spatial localization of the active neuronal tissue...
  25. ncbi request reprint Dendritic calcium encodes striatal neuron output during up-states
    Jason N D Kerr
    Unit of Neural Network Physiology, Laboratory of Systems Neuroscience, National Institute of Mental Health, Bethesda, Maryland 20892, USA
    J Neurosci 22:1499-512. 2002
    ..We suggest that this conveys information about the contribution of a spiny projection neuron to a basal ganglia output specifically back to the corticostriatal synapses involved in generating these outputs...
  26. pmc Powerlaw: a Python package for analysis of heavy-tailed distributions
    Jeff Alstott
    Section on Critical Brain Dynamics, National Institute of Mental Health, Bethesda, Maryland, United States of America Brain Mapping Unit, Behavioural and Clinical Neuroscience Institute, University of Cambridge, Cambridge, United Kingdom
    PLoS ONE 9:e85777. 2014
    ..Notably, it also seeks to support a variety of user needs by being exhaustive in the options available to the user. The source code is publicly available and easily extensible. ..
  27. ncbi request reprint Comment on "Critical branching captures activity in living neural networks and maximizes the number of metastable states"
    Dietmar Plenz
    Phys Rev Lett 95:219801; author reply 219802. 2005
  28. ncbi request reprint Quantitative estimate of synaptic inputs to striatal neurons during up and down states in vitro
    Kim T Blackwell
    Krasnow Institute of Advanced Studies and School of Computational Sciences, George Mason University, Fairfax, Virginia 22030, USA
    J Neurosci 23:9123-32. 2003
    ..The high correlation between up- and down-state reversal potential suggests that despite these drastic changes in synaptic input frequency, the ratio of inhibitory to excitatory currents is similar during both states...