action potentials

Summary

Summary: The electric response of a nerve or muscle to its stimulation.

Top Publications

  1. ncbi Avoiding DEET through insect gustatory receptors
    Youngseok Lee
    Department of Biological Chemistry, Center for Sensory Biology, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
    Neuron 67:555-61. 2010
  2. ncbi Neurophysiological investigation of the basis of the fMRI signal
    N K Logothetis
    Max Planck Institute for Biological Cybernetics, Tuebingen, Germany
    Nature 412:150-7. 2001
  3. ncbi Modulation of oscillatory neuronal synchronization by selective visual attention
    P Fries
    Laboratory of Neuropsychology, National Institute of Mental Health, National Institutes of Health, Building 49, Room 1B80, 9000 Rockville Pike, Bethesda, MD 20892 4415, USA
    Science 291:1560-3. 2001
  4. ncbi Synaptic activity and the construction of cortical circuits
    L C Katz
    Howard Hughes Medical Institute and the Department of Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
    Science 274:1133-8. 1996
  5. ncbi Millisecond-timescale, genetically targeted optical control of neural activity
    Edward S Boyden
    Department of Bioengineering, Stanford University, 318 Campus Drive West, Stanford, California 94305, USA
    Nat Neurosci 8:1263-8. 2005
  6. ncbi Weak pairwise correlations imply strongly correlated network states in a neural population
    Elad Schneidman
    Joseph Henry Laboratories of Physics, Princeton University, Princeton, New Jersey 08544, USA
    Nature 440:1007-12. 2006
  7. ncbi Microstructure of a spatial map in the entorhinal cortex
    Torkel Hafting
    Centre for the Biology of Memory, Norwegian University of Science and Technology, 7489 Trondheim, Norway
    Nature 436:801-6. 2005
  8. ncbi Spiking activity propagation in neuronal networks: reconciling different perspectives on neural coding
    Arvind Kumar
    Bernstein Center Freiburg and Faculty of Biology, University of Freiburg, Hansastrasse 9A, 79104, Freiburg, Germany
    Nat Rev Neurosci 11:615-27. 2010
  9. ncbi Spatio-temporal correlations and visual signalling in a complete neuronal population
    Jonathan W Pillow
    Gatsby Computational Neuroscience Unit, UCL, 17 Queen Square, London WC1N 3AR, UK
    Nature 454:995-9. 2008
  10. ncbi Modulation of neuronal interactions through neuronal synchronization
    Thilo Womelsdorf
    F C Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, 6525 EN Nijmegen, Netherlands
    Science 316:1609-12. 2007

Detail Information

Publications226 found, 100 shown here

  1. ncbi Avoiding DEET through insect gustatory receptors
    Youngseok Lee
    Department of Biological Chemistry, Center for Sensory Biology, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
    Neuron 67:555-61. 2010
    ..DEET stimulated action potentials in GRNs that respond to aversive compounds, and this response was lost in the Gr32a, Gr33a, and Gr66a ..
  2. ncbi Neurophysiological investigation of the basis of the fMRI signal
    N K Logothetis
    Max Planck Institute for Biological Cybernetics, Tuebingen, Germany
    Nature 412:150-7. 2001
    ..These findings suggest that the BOLD contrast mechanism reflects the input and intracortical processing of a given area rather than its spiking output...
  3. ncbi Modulation of oscillatory neuronal synchronization by selective visual attention
    P Fries
    Laboratory of Neuropsychology, National Institute of Mental Health, National Institutes of Health, Building 49, Room 1B80, 9000 Rockville Pike, Bethesda, MD 20892 4415, USA
    Science 291:1560-3. 2001
    ..Because postsynaptic integration times are short, these localized changes in synchronization may serve to amplify behaviorally relevant signals in the cortex...
  4. ncbi Synaptic activity and the construction of cortical circuits
    L C Katz
    Howard Hughes Medical Institute and the Department of Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
    Science 274:1133-8. 1996
    ..The sequential combination of spontaneously generated and experience-dependent neural activity endows the brain with an ongoing ability to accommodate to dynamically changing inputs during development and throughout life...
  5. ncbi Millisecond-timescale, genetically targeted optical control of neural activity
    Edward S Boyden
    Department of Bioengineering, Stanford University, 318 Campus Drive West, Stanford, California 94305, USA
    Nat Neurosci 8:1263-8. 2005
    ..This technology allows the use of light to alter neural processing at the level of single spikes and synaptic events, yielding a widely applicable tool for neuroscientists and biomedical engineers...
  6. ncbi Weak pairwise correlations imply strongly correlated network states in a neural population
    Elad Schneidman
    Joseph Henry Laboratories of Physics, Princeton University, Princeton, New Jersey 08544, USA
    Nature 440:1007-12. 2006
    ..As a first test for the generality of these ideas, we show that similar results are obtained from networks of cultured cortical neurons...
  7. ncbi Microstructure of a spatial map in the entorhinal cortex
    Torkel Hafting
    Centre for the Biology of Memory, Norwegian University of Science and Technology, 7489 Trondheim, Norway
    Nature 436:801-6. 2005
    ..The map is anchored to external landmarks, but persists in their absence, suggesting that grid cells may be part of a generalized, path-integration-based map of the spatial environment...
  8. ncbi Spiking activity propagation in neuronal networks: reconciling different perspectives on neural coding
    Arvind Kumar
    Bernstein Center Freiburg and Faculty of Biology, University of Freiburg, Hansastrasse 9A, 79104, Freiburg, Germany
    Nat Rev Neurosci 11:615-27. 2010
    ..Here, we review the dichotomy of asynchronous and synchronous propagation in FFNs, propose their integration into a single extended conceptual framework and suggest experimental strategies to test our hypothesis...
  9. ncbi Spatio-temporal correlations and visual signalling in a complete neuronal population
    Jonathan W Pillow
    Gatsby Computational Neuroscience Unit, UCL, 17 Queen Square, London WC1N 3AR, UK
    Nature 454:995-9. 2008
    ..This model-based approach reveals the role of correlated activity in the retinal coding of visual stimuli, and provides a general framework for understanding the importance of correlated activity in populations of neurons...
  10. ncbi Modulation of neuronal interactions through neuronal synchronization
    Thilo Womelsdorf
    F C Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, 6525 EN Nijmegen, Netherlands
    Science 316:1609-12. 2007
    ..These effects were specific in time, frequency, and space, and we therefore propose that the pattern of synchronization flexibly determines the pattern of neuronal interactions...
  11. ncbi Multimodal fast optical interrogation of neural circuitry
    Feng Zhang
    Department of Bioengineering, Stanford University, Stanford, California 94305, USA
    Nature 446:633-9. 2007
    ..NpHR allows either knockout of single action potentials, or sustained blockade of spiking...
  12. ncbi Dynamics of sparsely connected networks of excitatory and inhibitory spiking neurons
    N Brunel
    LPS, Ecole Normale Superieure, Paris, France
    J Comput Neurosci 8:183-208. 2000
    ..In the slow oscillatory state, the network frequency depends mostly on the membrane time constant. Finite size effects in the asynchronous state are also discussed...
  13. ncbi Decorrelated neuronal firing in cortical microcircuits
    Alexander S Ecker
    Max Planck Institute for Biological Cybernetics, 72076 Tubingen, Germany
    Science 327:584-7. 2010
    ..Our findings suggest a refinement of current models of cortical microcircuit architecture and function: Either adjacent neurons share only a few percent of their inputs or, alternatively, their activity is actively decorrelated...
  14. ncbi The gamma cycle
    Pascal Fries
    F C Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, 6525 EN Nijmegen, The Netherlands
    Trends Neurosci 30:309-16. 2007
    ..This review is part of the INMED/TINS special issue Physiogenic and pathogenic oscillations: the beauty and the beast, based on presentations at the annual INMED/TINS symposium (http://inmednet.com)...
  15. ncbi The asynchronous state in cortical circuits
    Alfonso Renart
    Center for Molecular and Behavioral Neuroscience, Rutgers University, Newark, NJ 07102, USA
    Science 327:587-90. 2010
    ..Our results suggest a reexamination of the sources underlying observed correlations and their functional consequences for information processing...
  16. ncbi What determines the frequency of fast network oscillations with irregular neural discharges? I. Synaptic dynamics and excitation-inhibition balance
    Nicolas Brunel
    Centre National de la Recherche Scientifique Neurophysique et Physiologie du Système Moteur Université Paris René Descartes, 75270 Paris Cedex 06, France
    J Neurophysiol 90:415-30. 2003
    ..Faster excitation than inhibition, or a higher excitation/inhibition ratio, favors the feedback loop and a much slower oscillation (typically in the gamma range)...
  17. ncbi Neural correlations, population coding and computation
    Bruno B Averbeck
    Department of Brain and Cognitive Sciences and Center for Visual Science, University of Rochester, Rochester, New York 14627, USA
    Nat Rev Neurosci 7:358-66. 2006
    ..Here, we review studies that address the interaction between neuronal noise and population codes, and discuss their implications for population coding in general...
  18. ncbi High-frequency, long-range coupling between prefrontal and visual cortex during attention
    Georgia G Gregoriou
    McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
    Science 324:1207-10. 2009
    ....
  19. ncbi Gain modulation from background synaptic input
    Frances S Chance
    Center for Neural Science, New York University, New York, NY 10003, USA
    Neuron 35:773-82. 2002
    ..These results suggest that, within active cortical circuits, the overall level of synaptic input to a neuron acts as a gain control signal that modulates responsiveness to excitatory drive...
  20. ncbi Synaptic integration in tuft dendrites of layer 5 pyramidal neurons: a new unifying principle
    Matthew E Larkum
    Department of Physiology, University of Berne, Buhlplatz 5, 3012 Berne, Switzerland
    Science 325:756-60. 2009
    ....
  21. ncbi Neural basis of a perceptual decision in the parietal cortex (area LIP) of the rhesus monkey
    M N Shadlen
    Howard Hughes Medical Institute, Department of Physiology and Biophysics, and Regional Primate Research Center, University of Washington, Seattle, Washington 98195 7290, USA
    J Neurophysiol 86:1916-36. 2001
    ..The time course of the neural response suggests that LIP accumulates sensory signals relevant to the selection of a target for an eye movement...
  22. ncbi Real-time computing without stable states: a new framework for neural computation based on perturbations
    Wolfgang Maass
    Institute for Theoretical Computer Science, Technische Universitat Graz, A 8010 Graz, Austria
    Neural Comput 14:2531-60. 2002
    ..Our approach provides new perspectives for the interpretation of neural coding, the design of experiments and data analysis in neurophysiology, and the solution of problems in robotics and neurotechnology...
  23. ncbi Enforcement of temporal fidelity in pyramidal cells by somatic feed-forward inhibition
    F Pouille
    Brain Research Institute, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
    Science 293:1159-63. 2001
    ..Thus, the subcellular partitioning of feed-forward inhibition enforces precise coincidence detection in the soma, while allowing dendrites to sum incoming activity over broader time windows...
  24. ncbi Multiple neural spike train data analysis: state-of-the-art and future challenges
    Emery N Brown
    Neuroscience Statistics Research Laboratory, Department of Anesthesia and Critical Care, Massachusetts General Hospital, and Division of Health Sciences and Technology, Harvard Medical School, Boston, 02114, USA
    Nat Neurosci 7:456-61. 2004
    ..Here we review statistical methods for the analysis of multiple neural spike-train data and discuss future challenges for methodology research...
  25. ncbi How connectivity, background activity, and synaptic properties shape the cross-correlation between spike trains
    Srdjan Ostojic
    Institut des Systemes Complexes Paris Ile de France and Laboratoire de Physique Statistique, Centre National de la Recherche Scientifique, Universite Pierre et Marie Curie, Universite Paris Diderot, Ecole Normale Superieure, Paris, France
    J Neurosci 29:10234-53. 2009
    ..In particular, we show that the postsynaptic neuron spiking regularity has a pronounced influence on CCF amplitude. This suggests an efficient and flexible mechanism for modulating functional interactions...
  26. ncbi Spike synchronization and rate modulation differentially involved in motor cortical function
    A Riehle
    Center for Research in Cognitive Neuroscience, CNRS, 31 Chemin Joseph Aiguier, 13402 Marseille Cx 20, France
    Science 278:1950-3. 1997
    ..of a delayed-pointing task exhibited context-dependent, rapid changes in the patterns of coincident action potentials. Accurate spike synchronization occurred in relation to external events (stimuli, movements) and was ..
  27. ncbi Extracting information from neuronal populations: information theory and decoding approaches
    Rodrigo Quian Quiroga
    Department of Engineering, University of Leicester, Leicester, LE1 7RH, UK
    Nat Rev Neurosci 10:173-85. 2009
    ..Such population analysis can give us more information about how neurons encode stimulus features than traditional single-cell studies...
  28. ncbi The excitatory neuronal network of the C2 barrel column in mouse primary somatosensory cortex
    Sandrine Lefort
    Laboratory of Sensory Processing, Brain Mind Institute, Faculty of Life Sciences, Ecole Polytechnique Federale de Lausanne, CH1015, Switzerland
    Neuron 61:301-16. 2009
    ..Our data set provides the first functional description of the excitatory synaptic wiring diagram of a physiologically relevant and anatomically well-defined cortical column at single-cell resolution...
  29. ncbi An ultra-sparse code underlies the generation of neural sequences in a songbird
    Richard H R Hahnloser
    Biological Computation Research Department, Bell Laboratories, Lucent Technologies, Murray Hill, New Jersey 07974, USA
    Nature 419:65-70. 2002
    ....
  30. ncbi Disynaptic inhibition between neocortical pyramidal cells mediated by Martinotti cells
    Gilad Silberberg
    Brain Mind Institute, Ecole Polytechnique Federale de Lausanne EPFL, Lausanne CH 1015, Switzerland
    Neuron 53:735-46. 2007
    ..responses were evoked in layer 5 PCs following stimulation of individual neighboring PCs with trains of action potentials. The probability for inhibition between PCs was more than twice that of direct excitation, and inhibitory ..
  31. ncbi Spike timing-dependent plasticity of neural circuits
    Yang Dan
    Division of Neurobiology, Department of Molecular and Cell Biology and Helen Wills Neuroscience Institute, University of California, Berkeley, Berkeley, CA 94720 USA
    Neuron 44:23-30. 2004
    ..Finally, we discuss timing-dependent modification of neuronal receptive fields and human visual perception and the computational significance of STDP as a synaptic learning rule...
  32. ncbi Correlation between neural spike trains increases with firing rate
    Jaime de la Rocha
    Center for Neural Science, New York University, New York 10003, USA
    Nature 448:802-6. 2007
    ..thalamus, and several cortical regions show temporal correlation between the discharge times of their action potentials (spike trains)...
  33. ncbi Spatial representation in the entorhinal cortex
    Marianne Fyhn
    Centre for the Biology of Memory, Medical-Technical Research Centre, Norwegian University of Science and Technology, 7489 Trondheim, Norway
    Science 305:1258-64. 2004
    ....
  34. ncbi Turning on and off recurrent balanced cortical activity
    Yousheng Shu
    Department of Neurobiology, Yale University School of Medicine, 333 Cedar Street, New Haven, Connecticut 06510, USA
    Nature 423:288-93. 2003
    ..These results confirm the long-hypothesized role of recurrent activity as a basic operation of the cerebral cortex...
  35. ncbi Adaptive exponential integrate-and-fire model as an effective description of neuronal activity
    Romain Brette
    Dept d Informatique, Equipe Odyssée, Ecole Normale Superieure, 45 rue d Ulm, 75230 Paris Cedex 05, France
    J Neurophysiol 94:3637-42. 2005
    ..These results are promising because this simple model has enough expressive power to reproduce qualitatively several electrophysiological classes described in vitro...
  36. ncbi Petilla terminology: nomenclature of features of GABAergic interneurons of the cerebral cortex
    Giorgio A Ascoli
    Molecular Neuroscience Department and Center for Neural Informatics, Structures, and Plasticity, Krasnow Institute for Advanced Study, George Mason University, MS2A1, 4400 University Drive, Fairfax, Virginia 22030, USA
    Nat Rev Neurosci 9:557-68. 2008
    ..Consistent adoption will be important for the success of such an initiative, and we also encourage the active involvement of the broader scientific community in the dynamic evolution of this project...
  37. ncbi Increased right ventricular repolarization gradients promote arrhythmogenesis in a murine model of Brugada syndrome
    Claire A Martin
    Physiological Laboratory, University of Cambridge, Downing Site, Cambridge, United Kingdom
    J Cardiovasc Electrophysiol 21:1153-9. 2010
    ..We compared activation latencies and spatial differences in action potential recovery between different ventricular regions in a murine Scn5a+/- BrS model, and investigated the effect of flecainide and quinidine upon these...
  38. ncbi Measuring and interpreting neuronal correlations
    Marlene R Cohen
    Department of Neurobiology, Harvard Medical School, Boston, Massachusetts, USA
    Nat Neurosci 14:811-9. 2011
    ..Given these complicating factors, we offer guidelines for interpreting correlation data and a discussion of how best to evaluate the effect of correlations on cortical processing...
  39. ncbi Nonlinear multivariate analysis of neurophysiological signals
    Ernesto Pereda
    Department of Basic Physics, College of Physics and Mathematics, University of La Laguna, Avda Astrofísico Fco Sánchez s n, 38205 La Laguna, Tenerife, Spain
    Prog Neurobiol 77:1-37. 2005
    ..Finally, we illustrate the use of multivariate surrogate data test for the assessment of the strength (strong or weak) and the type (linear or nonlinear) of interdependence between neurophysiological signals...
  40. ncbi Pyramidal cell communication within local networks in layer 2/3 of rat neocortex
    Carl Holmgren
    Karolinska Institute, Department of Neuroscience, , B2-2, S-17177 Stockholm, Sweden
    J Physiol 551:139-53. 2003
    ..With such a high degree of connectivity with surrounding pyramidal cells, local interneurons are ideally poised to both coordinate and expand the local pyramidal cell network via pyramidal-interneuron-pyramidal communication...
  41. ncbi 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...
  42. ncbi Large-scale recording of neuronal ensembles
    Gyorgy Buzsaki
    Center for Molecular and Behavioral Neuroscience, Rutgers, The State University of New Jersey, 197 University Avenue, Newark, New Jersey 07102, USA
    Nat Neurosci 7:446-51. 2004
    ....
  43. ncbi Excitatory cortical neurons form fine-scale functional networks
    Yumiko Yoshimura
    Systems Neurobiology Laboratories, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, California 92037, USA
    Nature 433:868-73. 2005
    ....
  44. ncbi Properties of basal dendrites of layer 5 pyramidal neurons: a direct patch-clamp recording study
    Thomas Nevian
    Department of Physiology, University of Berne, Buhlplatz 5, 3012 Berne, Switzerland
    Nat Neurosci 10:206-14. 2007
    ..remote from the soma (>30-fold excitatory postsynaptic potential (EPSP) attenuation) and back-propagating action potentials were significantly attenuated...
  45. ncbi Supralinear increase of recurrent inhibition during sparse activity in the somatosensory cortex
    Christoph Kapfer
    Neuroscience Graduate Program and Neurobiology Section, Division of Biology, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093 0634, USA
    Nat Neurosci 10:743-53. 2007
    ..These data show that through a highly sensitive recurrent inhibitory circuit, cortical excitability can be modulated by one pyramidal cell...
  46. ncbi Place cells, grid cells, and the brain's spatial representation system
    Edvard I Moser
    Kavli Institute for Systems Neuroscience and Centre for the Biology of Memory, Norwegian University of Science and Technology, 7489 Trondheim, Norway
    Annu Rev Neurosci 31:69-89. 2008
    ....
  47. ncbi The normalization model of attention
    John H Reynolds
    Salk Institute for Biological Studies, La Jolla, CA 92037 1099, USA
    Neuron 61:168-85. 2009
    ....
  48. ncbi Behavior-dependent short-term assembly dynamics in the medial prefrontal cortex
    Shigeyoshi Fujisawa
    Center for Molecular and Behavioral Neuroscience, Rutgers, The State University of New Jersey, 197 University Avenue, Newark, New Jersey 07102, USA
    Nat Neurosci 11:823-33. 2008
    ..Seeking potential mechanisms for such effects, we found evidence for both firing pattern-dependent facilitation and depression, as well as for a supralinear effect of presynaptic coincidence on the firing of postsynaptic targets...
  49. ncbi A point process framework for relating neural spiking activity to spiking history, neural ensemble, and extrinsic covariate effects
    Wilson Truccolo
    Neuroscience Department, Brown University, Providence, RI, USA
    J Neurophysiol 93:1074-89. 2005
    ..The framework thus allows for the formulation and analysis of point process models of neural spiking activity that readily capture the simultaneous effects of multiple covariates and enables the assessment of their relative importance...
  50. ncbi Distinct contributions of Na(v)1.6 and Na(v)1.2 in action potential initiation and backpropagation
    Wenqin Hu
    Institute of Neuroscience, State Key Laboratory of Neuroscience, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
    Nat Neurosci 12:996-1002. 2009
    ..However, it is not clear why action potentials are not initiated at the proximal AIS, which has a similarly high Na(+) channel density...
  51. ncbi Coordinated memory replay in the visual cortex and hippocampus during sleep
    Daoyun Ji
    The Picower Institute for Learning and Memory, RIKEN MIT Neuroscience Research Center, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Nat Neurosci 10:100-7. 2007
    ..These results imply simultaneous reactivation of coherent memory traces in the cortex and hippocampus during sleep that may contribute to or reflect the result of the memory consolidation process...
  52. ncbi Functional connectome of the striatal medium spiny neuron
    Nao Chuhma
    Department of Psychiatry and Pharmacology, Columbia University, New York, NY 10032, USA
    J Neurosci 31:1183-92. 2011
    ..This optogenetic approach defines the functional connectome of the striatal medium spiny neuron...
  53. ncbi Lateral competition for cortical space by layer-specific horizontal circuits
    Hillel Adesnik
    Howard Hughes Medical Institute, Center for Neural Circuits and Behavior, Neurobiology Section and Department of Neurosciences, University of California San Diego, La Jolla, California 92093 0634, USA
    Nature 464:1155-60. 2010
    ..Through this mechanism, cortical domains exploit horizontal projections to compete for cortical space...
  54. ncbi Oscillatory phase coupling coordinates anatomically dispersed functional cell assemblies
    Ryan T Canolty
    Electrical Engineering and Computer Sciences, University of California, Berkeley, CA 94720, USA
    Proc Natl Acad Sci U S A 107:17356-61. 2010
    ..These findings suggest that neuronal oscillations enable selective and dynamic control of distributed functional cell assemblies...
  55. ncbi Inhibitory postsynaptic potentials carry synchronized frequency information in active cortical networks
    Andrea Hasenstaub
    Department of Neurobiology, Kavli Institute of Neuroscience, Yale University School of Medicine, New Haven, Connecticut 06510, USA
    Neuron 47:423-35. 2005
    ..Our results support the hypothesis that inhibitory networks are largely responsible for the dissemination of higher-frequency activity in cortex...
  56. ncbi Slow GABA transient and receptor desensitization shape synaptic responses evoked by hippocampal neurogliaform cells
    Theofanis Karayannis
    Medical Research Council Anatomical Neuropharmacology Unit, Mansfield Road, Oxford OX1 3TH, United Kingdom
    J Neurosci 30:9898-909. 2010
    ..Synaptic depression mediated by NGFCs is likely to play an important modulatory role in the feedforward inhibition of CA1 pyramidal cells provided by the entorhinal cortex...
  57. ncbi Regulation of spike timing in visual cortical circuits
    Paul Tiesinga
    Physics and Astronomy Department, University of North Carolina at Chapel Hill, North Carolina 27599 3255, USA
    Nat Rev Neurosci 9:97-107. 2008
    A train of action potentials (a spike train) can carry information in both the average firing rate and the pattern of spikes in the train...
  58. ncbi Memory and decision making in the frontal cortex during visual motion processing for smooth pursuit eye movements
    Natsuko Shichinohe
    Department of Physiology, Hokkaido University School of Medicine, Sapporo 060 8638, Japan
    Neuron 62:717-32. 2009
    ..These results suggest an important role for the SEF in memory and assessment of visual motion direction and the programming of appropriate pursuit eye movements...
  59. ncbi Stimulus onset quenches neural variability: a widespread cortical phenomenon
    Mark M Churchland
    Department of Electrical Engineering, Stanford University School of Medicine, Stanford University, Stanford, California, USA
    Nat Neurosci 13:369-78. 2010
    ..This widespread variability decline suggests a rather general property of cortex, that its state is stabilized by an input...
  60. ncbi Sampling properties of the spectrum and coherency of sequences of action potentials
    M R Jarvis
    Division of Biology, California Institute of Technology, Pasadena, California, USA
    Neural Comput 13:717-49. 2001
    ..Although the material discussed is of general applicability to point processes, attention will be confined to sequences of neuronal action potentials (spike trains), the motivation for this work.
  61. ncbi Stimulus dependence of neuronal correlation in primary visual cortex of the macaque
    Adam Kohn
    Center for Neural Science, New York University, New York, New York 10003, USA
    J Neurosci 25:3661-73. 2005
    ....
  62. ncbi Fragmentation of grid cell maps in a multicompartment environment
    Dori Derdikman
    Kavli Institute for Systems Neuroscience and Centre for the Biology of Memory, MTFS, Norwegian University of Science and Technology, Trondheim, Norway
    Nat Neurosci 12:1325-32. 2009
    ..These results indicate that spatial environments are represented in entorhinal cortex and hippocampus as a mosaic of discrete submaps that correspond to the geometric structure of the space...
  63. ncbi Interneurons hyperpolarize pyramidal cells along their entire somatodendritic axis
    Lindsey L Glickfeld
    Department of Biology, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093 0634, USA
    Nat Neurosci 12:21-3. 2009
    ....
  64. ncbi Processing of low-probability sounds by cortical neurons
    Nachum Ulanovsky
    Department of Physiology, Hebrew University, Hadassah Medical School, Box 12272, Jerusalem 91120, Israel
    Nat Neurosci 6:391-8. 2003
    ..Our results thus indicate that A1 neurons, in addition to processing the acoustic features of sounds, may also be involved in sensory memory and novelty detection...
  65. ncbi Serotonin modulates fast-spiking interneuron and synchronous activity in the rat prefrontal cortex through 5-HT1A and 5-HT2A receptors
    M Victoria Puig
    Division of Cerebral Circuitry, National Institute for Physiological Sciences, Okazaki, Aichi 444 8787, Japan
    J Neurosci 30:2211-22. 2010
    ..These results may provide insight into impaired serotonergic control of network activity in psychiatric illnesses such as schizophrenia and depression...
  66. ncbi Effects of synaptic noise and filtering on the frequency response of spiking neurons
    N Brunel
    LPS, , Paris, France
    Phys Rev Lett 86:2186-9. 2001
    ..Thus, through its effect on noise inputs, realistic synaptic dynamics can ensure unlagged neuronal responses to high-frequency inputs...
  67. ncbi Evaluating causal relations in neural systems: granger causality, directed transfer function and statistical assessment of significance
    M Kaminski
    Center for Complex Systems and Brain Sciences, Florida Atlantic University, Boca Raton 33431, USA
    Biol Cybern 85:145-57. 2001
    ..In addition, we propose a method to assess the significance of causality measures. Finally, we demonstrate the applications of these measures to simulated data and actual neurobiological recordings...
  68. ncbi Predicting spike timing of neocortical pyramidal neurons by simple threshold models
    Renaud Jolivet
    Ecol Polytechnique Federale de Lausanne EPFL, School of Computer and Communication Sciences and Brain Mind Institute, Station 15, CH 1015, Lausanne, Switzerland
    J Comput Neurosci 21:35-49. 2006
    ....
  69. ncbi The structure of multi-neuron firing patterns in primate retina
    Jonathon Shlens
    Department of Systems Neurobiology, The Salk Institute, La Jolla, California 92037, USA
    J Neurosci 26:8254-66. 2006
    ..This approach provides a way to define limits on the complexity of network interactions and thus may be relevant for probing the function of many neural circuits...
  70. ncbi Hemodynamic signals correlate tightly with synchronized gamma oscillations
    Jörn Niessing
    Max Planck Institute for Brain Research, 60528 Frankfurt M, Germany
    Science 309:948-51. 2005
    ..These are more closely related to local field potentials (LFPs) than to action potentials. We simultaneously recorded electrical and hemodynamic responses in the cat visual cortex...
  71. ncbi The temporal structures and functional significance of scale-free brain activity
    Biyu J He
    Department of Radiology, Washington University School of Medicine, 4525 Scott Avenue, St Louis, MO 63110, USA
    Neuron 66:353-69. 2010
    ..Our findings reveal robust temporal structures and behavioral significance of scale-free brain activity and should motivate future study on its physiological mechanisms and cognitive implications...
  72. ncbi Power-law scaling in the brain surface electric potential
    Kai J Miller
    Department of Physics, University of Washington, Seattle, Washington, USA
    PLoS Comput Biol 5:e1000609. 2009
    ....
  73. ncbi Bayesian estimation of synaptic physiology from the spectral responses of neural masses
    R J Moran
    The School of Electrical, Electronic and Mechanical Engineering, University College Dublin, Dublin, Ireland
    Neuroimage 42:272-84. 2008
    ..These inferences were consistent with predictions derived from experimental microdialysis measures of extracellular glutamate levels...
  74. ncbi Top-down versus bottom-up control of attention in the prefrontal and posterior parietal cortices
    Timothy J Buschman
    Picower Institute for Learning and Memory, RIKEN MIT Neuroscience Research Center, and Department of Brain and Cognitive Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
    Science 315:1860-2. 2007
    ..This result indicates that top-down and bottom-up signals arise from the frontal and sensory cortex, respectively, and different modes of attention may emphasize synchrony at different frequencies...
  75. ncbi Functional diversity and specificity of neostriatal interneurons
    James M Tepper
    Center for Molecular and Behavioral Neuroscience, Rutgers, The State University of New Jersey, 197 University Avenue, Newark, New Jersey 07102, USA
    Curr Opin Neurobiol 14:685-92. 2004
    ..Both classes of interneurons are important sites of action of neuromodulators in neostriatum, and act in different but complementary ways to modify the activity of the spiny projection neurons...
  76. ncbi Dopamine regulates the impact of the cerebral cortex on the subthalamic nucleus-globus pallidus network
    P J Magill
    Medical Research Council Anatomical Neuropharmacology Unit, University of Oxford, Mansfield Road, Oxford OX1 3TH, UK
    Neuroscience 106:313-30. 2001
    ..Furthermore, the relative contribution of rate and pattern to aberrant information coding is intimately related to the state of activation of the cerebral cortex...
  77. ncbi Requirement for hippocampal CA3 NMDA receptors in associative memory recall
    Kazu Nakazawa
    Picower Center for Learning and Memory, RIKEN MIT Neuroscience Research Center, Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
    Science 297:211-8. 2002
    ..These results provide direct evidence for CA3 NMDA receptor involvement in associative memory recall...
  78. ncbi Dissociated cortical networks show spontaneously correlated activity patterns during in vitro development
    Michela Chiappalone
    Neuroengineering and Bio nano Technology NBT Group, Department of Biophysical and Electronic Engineering DIBE, University of Genova, Via Opera Pia 11a, 16145, Genova, Italy
    Brain Res 1093:41-53. 2006
    ....
  79. ncbi How spike generation mechanisms determine the neuronal response to fluctuating inputs
    Nicolas Fourcaud-Trocmé
    Centre National de la Recherche Scientifique Unité Mixte de Recherche 8119, Neurophysique et Physiologie du Système Moteur, Unité de Formation et de Recherche Biomédicale, Universite Paris 5 Rene Descartes, 75270 Paris Cedex 06, France
    J Neurosci 23:11628-40. 2003
    ..Our study shows how an intrinsic neuronal property (the characteristics of fast sodium channels) determines the speed with which neurons can track changes in input...
  80. ncbi Extracting non-linear integrate-and-fire models from experimental data using dynamic I-V curves
    Laurent Badel
    Laboratory of Computational Neuroscience, School of Computer and Communications Sciences and Brain Mind Institute, Ecole Polytechnique Federale de Lausanne, 1015, Lausanne, Switzerland
    Biol Cybern 99:361-70. 2008
    ..The method therefore provides a useful tool for the construction of tractable models and rapid experimental classification of cortical neurons...
  81. ncbi The dynamical response properties of neocortical neurons to temporally modulated noisy inputs in vitro
    Harold Köndgen
    Department of Physiology, University of Bern, Bern CH 3012, Switzerland
    Cereb Cortex 18:2086-97. 2008
    ..Finally, above 200 Hz, the response amplitude decays as a power-law with an exponent that is independent of voltage fluctuations induced by the background noise...
  82. ncbi Synchronized activity between the ventral hippocampus and the medial prefrontal cortex during anxiety
    Avishek Adhikari
    Department of Biological Sciences, Columbia University, New York, NY 10032, USA
    Neuron 65:257-69. 2010
    ..They are consistent with the notion that such synchronization is a general mechanism by which the hippocampus communicates with downstream structures of behavioral relevance...
  83. ncbi A review of the integrate-and-fire neuron model: I. Homogeneous synaptic input
    A N Burkitt
    The Bionic Ear Institute, 384 388 Albert Street, East Melbourne, Vic, 3002, Australia
    Biol Cybern 95:1-19. 2006
    ..A brief overview is given of two issues in neural information processing that the integrate-and-fire neuron model has contributed to - the irregular nature of spiking in cortical neurons and neural gain modulation...
  84. ncbi Firing modes of midbrain dopamine cells in the freely moving rat
    B I Hyland
    Department of Physiology, School of Medical Sciences, University of Otago, P O Box 913, Dunedin, New Zealand
    Neuroscience 114:475-92. 2002
    ..1) In most cases, slowly firing cells with broad action potentials were profoundly inhibited by the dopamine agonist apomorphine, consistent with previously accepted criteria...
  85. ncbi Human memory strength is predicted by theta-frequency phase-locking of single neurons
    Ueli Rutishauser
    Computation and Neural Systems and Division of Biology, California Institute of Technology, Pasadena, California 91125, USA
    Nature 464:903-7. 2010
    ..These findings provide a link between the known modulation of theta oscillations by many memory-modulating behaviours and circuit mechanisms of plasticity...
  86. ncbi Dynamics of the firing probability of noisy integrate-and-fire neurons
    Nicolas Fourcaud
    Laboratoire de Physique Statistique, Ecole Normale Superieure, 75231 Paris Cedex 05, France
    Neural Comput 14:2057-110. 2002
    ..In both cases, we determine, using numerical simulations, an effective decay time constant that describes the neuronal response completely...
  87. ncbi Emergence of network structure due to spike-timing-dependent plasticity in recurrent neuronal networks. II. Input selectivity--symmetry breaking
    Matthieu Gilson
    Department of Electrical and Electronic Engineering, University of Melbourne, Melbourne, VIC 3010, Australia
    Biol Cybern 101:103-14. 2009
    ..Consequently STDP generates a functional structure on the input connections of the network...
  88. ncbi Population dynamics under the Laplace assumption
    André C Marreiros
    The Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London, UK
    Neuroimage 44:701-14. 2009
    ..The mean-field model presented here will form the basis of a dynamic causal model of observed electromagnetic signals in future work...
  89. ncbi GABA itself promotes the developmental switch of neuronal GABAergic responses from excitation to inhibition
    K Ganguly
    Program in Neuroscience, Division of Biology, University of California, San Diego, La Jolla, CA 92093, USA
    Cell 105:521-32. 2001
    ..In contrast, blockade of glutamatergic transmission or action potentials has no effect...
  90. ncbi Cell-attached measurements of the firing threshold of rat hippocampal neurones
    D Fricker
    Laboratoire de Neurobiologie Cellulaire, INSERM U261, Institut Pasteur, 25 rue du Dr Roux, 75724 Paris, France
    J Physiol 517:791-804. 1999
    ..At potentials close to threshold, the rate of inactivation of Na+ and K+ followed a double exponential time course, such that Na+ currents were 62 % inactivated and K+ currents were 63 % inactivated within 15 ms...
  91. ncbi Patterns of spatio-temporal correlations in the neural activity of the cat motor cortex during trained forelimb movements
    Soumya Ghosh
    Centre for Neuromuscular and Neurological Disorders, University of Western Australia, QEII Medical Centre, Nedlands, WA, Australia
    Somatosens Mot Res 26:31-49. 2009
    ..The observed synchronization of action potentials among selected but functionally varied groups of MI neurons possibly reflects dynamic recruitment of network ..
  92. ncbi Cellular mechanisms underlying burst firing in substantia nigra dopamine neurons
    Sarah N Blythe
    Department of Physiology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
    J Neurosci 29:15531-41. 2009
    ..Together, these data suggest that SN DA neurons integrate their synaptic input in a more conventional manner than was hypothesized previously...
  93. ncbi Avalanches in a stochastic model of spiking neurons
    Marc Benayoun
    Department of Pediatrics, University of Chicago, Chicago, Illinois, USA
    PLoS Comput Biol 6:e1000846. 2010
    ....
  94. ncbi A threshold equation for action potential initiation
    Jonathan Platkiewicz
    Laboratoire Psychologie de la Perception, CNRS and Université Paris Descartes, Paris, France
    PLoS Comput Biol 6:e1000850. 2010
    ..We conclude that ionic channels can account for large variations in spike threshold...
  95. ncbi A neural mass model of spectral responses in electrophysiology
    R J Moran
    The Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, 12 Queen Square, London, WC1N 3BG, UK
    Neuroimage 37:706-20. 2007
    ..In short, this work establishes a forward or generative model of electrophysiological recordings for psychopharmacological studies...
  96. ncbi Self-organized criticality in developing neuronal networks
    Christian Tetzlaff
    Bernstein Center for Computational Neuroscience, Institute of Physics III Biophysics, Georg August Universitat, Gottingen, Germany
    PLoS Comput Biol 6:e1001013. 2010
    ..These results demonstrate that the interplay between activity and connectivity guides developing networks into criticality suggesting that this may be a generic and stable state of many networks in vivo and in vitro...
  97. ncbi Reinforcement learning, spike-time-dependent plasticity, and the BCM rule
    Dorit Baras
    Neural Comput 19:2245-79. 2007
    ..Finally, through statistical analysis, we show that the synaptic plasticity rule established is closely related to the widely used BCM rule, for which good biological evidence exists...
  98. ncbi Sparse representation of sounds in the unanesthetized auditory cortex
    Tomás Hromádka
    Cold Spring Harbor Laboratory, Watson School of Biological Sciences, Cold Spring Harbor, New York, United States of America
    PLoS Biol 6:e16. 2008
    ..Our results are compatible with a model in which most neurons are silent much of the time, and in which representations are composed of small dynamic subsets of highly active neurons...
  99. ncbi The brain's router: a cortical network model of serial processing in the primate brain
    Ariel Zylberberg
    Laboratory of Integrative Neuroscience, Physics Department, University of Buenos Aires, Buenos Aires, Argentina
    PLoS Comput Biol 6:e1000765. 2010
    ....
  100. ncbi Temporal and spatial alterations in GPi neuronal encoding might contribute to slow down movement in Parkinsonian monkeys
    Arthur Leblois
    Basal Gang, Laboratoire de Neurophysiologie, CNRS UMR 5543, Universite Victor Segalen, 146 rue Leo Saignat, 33076 Bordeaux Cedex, France
    Eur J Neurosci 24:1201-8. 2006
    ..Parkinsonian bradykinesia could thus result from an impairment of both temporal and spatial specificity of the GPi response to movement...
  101. ncbi Activity modulation elicited by electrical stimulation in networks of dissociated cortical neurons
    Paolo Massobrio
    Neuroengineering and Bio Nano Technology Group, Department of Biophysical and Electronic Engineering, University of Genova, Via Opera Pia 11a, 16145, Genova, Italy
    Conf Proc IEEE Eng Med Biol Soc 2007:3008-11. 2007
    ..The results allow to anticipate on integration of this work in goal-directed stimulus-induced plasticity...

Research Grants74

  1. SK CHANNELS IN HYPEREXCITABLE SKELETAL MUSCLE
    John Adelman; Fiscal Year: 2001
    ..DM), or myotubes cultured in the absence of nerve, skeletal muscle is hyperexcitable, in that a train of action potentials is often induced following an evoked contraction...
  2. Genetic mechanisms of myelination in zebrafish
    William S Talbot; Fiscal Year: 2010
    ..system, Schwann cells form the myelin sheath that wraps axons and allows for the rapid transmission of action potentials. Disruption of myelin causes peripheral neuropathies, debilitating diseases that affect 1...
  3. Properties of Ion Channels that Control Secretion
    JOHN ENYEART; Fiscal Year: 2007
    ..ACTH- and All-stimulated cortisol and aldosterone secretion that depends on the generation of Ca2+-dependent action potentials. Specifically, the inhibition of bTREK-1 K+ channels by ACTH and All leads to action potentials driven by ..
  4. Hybrid Nanostructures for Wireless In Vivo Action Potential Sensing
    Joshua Goldberger; Fiscal Year: 2007
    The use of electrochemical probes for sensing the action potentials of neuron cells in vitro and in vivo has led to much of our basic understanding concerning the mechanisms of nerve cell signaling...
  5. NEURAL SUBSTRATES OF COGNITIVE DECLINE IN AGING MONKEYS
    DOUGLAS ROSENE; Fiscal Year: 2007
    ..cohorts 1 and 3, perfusion fixation will be preceded by in vivo neurophysiological assessment of compound action potentials. Then the two stage perfusion will follow to allow immediate collection of unfixed samples from one ..
  6. Factors that Initiate Arrhythamias in Long QT Syndrome
    Guy Salama; Fiscal Year: 2006
    ..branches, will be perfused, stained with voltage and Ca 2+ - sensitive dyes to simultaneously map action potentials (APs) and intracellular Ca 2v(Cai) transients from 256 sites at high spatial and temporal resolution...
  7. Selective targeting of sodium channel blockers to pain-sensing neurons
    Bruce P Bean; Fiscal Year: 2010
    Pain is signaled by generation of action potentials in a specific population of primary sensory neurons known as nociceptors...
  8. Selective targeting of sodium channel blockers to pain-sensing neurons
    Bruce P Bean; Fiscal Year: 2010
    Pain is signaled by generation of action potentials in a specific population of primary sensory neurons known as nociceptors...
  9. Factors that Initiate Arrhythmias in lung QT Syndrome
    Guy Salama; Fiscal Year: 2004
    ..branches, will be perfused, stained with voltage and Ca2+ sensitive dyes to simultaneously map action potentials (APs) and intracellular Ca2+ (Ca1) transients from 256 sites at high spatial and temporal resolution...
  10. Excitation-contraction Coupling in Normal and Dystrophic Mammalian Muscle
    Julio L Vergara; Fiscal Year: 2010
    ..We have found that Ca2+ release evoked by action potentials (APs) (or voltage-clamp pulses) in muscle fibers from two of such models, the adult mdx mouse and the ..
  11. Spontaneous activity in the developing cochlea
    Dwight E Bergles; Fiscal Year: 2010
    ..In the developing cochlea, bursts of action potentials occur in afferent spiral ganglion neurons prior to the onset of hearing, activity that has been traced to ..
  12. GENETICS OF NEMATODE PHARYNGEAL MUSCLE EXCITABILITY
    Leon Avery; Fiscal Year: 2003
    ..3) One or more ion channels are specifically necessary for myogenic triggering of action potentials. (4) The activity of the myogenic system is regulated by a muscarinic acetylcholine receptor...
  13. Neurons in the subcallosal sling
    Linda Richards; Fiscal Year: 2005
    ..Preliminary electrophysiological experiments indicate that sling cells have excitable membranes and fire action potentials in response to long depolarizing pulses via whole-cell current clamp...
  14. STRUCTURE/FUNCTION OF THE PACEMAKING AND CONDUCTION SYSTEM OF THE HEART
    Igor Efimov; Fiscal Year: 2009
    ..complex structure orchestrating orderly contractions of the cardiac chambers by generating and transmitting action potentials at an appropriate rate, conduction velocity, and incorporating a delay between the chambers to allow for ..
  15. STRUCTURE/FUNCTION OF THE PACEMAKING AND CONDUCTION SYSTEM OF THE HEART
    Igor R Efimov; Fiscal Year: 2010
    ..complex structure orchestrating orderly contractions of the cardiac chambers by generating and transmitting action potentials at an appropriate rate, conduction velocity, and incorporating a delay between the chambers to allow for ..
  16. NERVE REPAIR BY SYNTHETIC AND BIOLOGICAL POLYMERS
    Riyi Shi; Fiscal Year: 2003
    ..polymer, polyethylene glycol (PEG), the investigators have successfully restored the conduction of compound action potentials (CAP) in severed guinea pig spinal cord and peripheral nerves in vitro...
  17. MICROELECTRODE ARRAYS FOR DEEP BRAIN STIMULATION AND REC
    Douglas McCreery; Fiscal Year: 2002
    ..In Type 1, all of the microelectrodes will be usable for stimulating and recording of unitary neuronal action potentials. We will determine the optimal area of the exposed tips so that each electrodes will be capable of recording ..
  18. Modulation of cardiac K+ channels by drugs
    Michael Sanguinetti; Fiscal Year: 2004
    Drugs that block the rapid delayed rectifier K+ current (Ikr) cause prolongation of cardiac action potentials and electrical refractoriness...
  19. Neurogenic Calcium Signals in Small Arteries
    WITHROW WIER; Fiscal Year: 2007
    ..With higher frequency stimulation, Ca 2+ 'flashes' (may be due to SMC action potentials) and Ca 2+waves are generated...