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Friday, July 31, 2020 | History

2 edition of Some statistical properties of dendritic channel networks found in the catalog.

Some statistical properties of dendritic channel networks

William Christian Krumbein

Some statistical properties of dendritic channel networks

by William Christian Krumbein

  • 242 Want to read
  • 26 Currently reading

Published by Dept. of Geological Sciences, Northwestern University in [Evanston, Ill.] .
Written in English

    Subjects:
  • Stream measurements -- Statistical methods,
  • Stream measurements -- Kentucky

  • Edition Notes

    Other titlesStatistical properties of dendritic channel networks
    StatementW.C. Krumbein and Ronald L. Shreve.
    SeriesU.S. Office of Naval Research. Geography Branch. Technical report, no. 13 National Science Foundation, Special project report
    ContributionsShreve, Ronald L., University of California, Los Angeles. Dept. of Geology, Northwestern University, Evanston, Ill. Dept. of Geological Sciences
    Classifications
    LC ClassificationsGB1205 K78
    The Physical Object
    Pagination117p.
    Number of Pages117
    ID Numbers
    Open LibraryOL18176294M

      In cortical output neurons such as the large pyramidal cells of layer 5 (L5), activation of apical dendritic calcium channels leads to plateau potentials that increase the gain of the input/output Cited by:   Introduction. Dendritic spines mediate over 90% of excitatory connections in the mammalian brain (Peters and Kaiserman-Abramof, ; Ramon y Cajal, ) and have a peculiar structure composed of a bulbous head (~1 μm 3), which receives the synaptic input, and a very thin neck (Cited by:

    To directly assess the properties of human apical dendrites, we performed dendritic whole-cell recordings up to 1, μm from the soma. Rodent L5 apical dendrites are known to possess high densities of ion channels, including hyperpolarization-activated cyclic nucleotide-gated (HCN) channelsCited by:   The actin cytoskeleton in dendritic patches (left), dendritic filopodia (middle), and dendritic spines (right) has similar organization consisting of a mixed network of linear and branched actin filaments (blue) anchored to microtubules (red) or actin filaments in the dendritic shaft.

    REVIEW AND SYNTHESIS Modelling dendritic ecological networks in space: an integrated network perspective Erin E. Peterson,1* Jay M. Ver Hoef,2 Dan J. Isaak,3 Jeffrey A. Falke,4 Marie-Josee Fortin,5 Chris E. Jordan,6 Kristina McNyset,4 Pascal Monestiez,7 Aaron S. Ruesch,8,9 Aritra Sengupta,10 Nicholas Som,11,12 E. Ashley Steel,13 David M. Theobald,14 Christian E. Torgersen15 and Seth. Three main types of charmers have been recognized: (1) runoff channels appear as dendritic networks, or arrays of relatively small channels or valleys located mainly in the old, densely cratered terrain; (2) outflow channels appear as large scale tributaries; and (3) fretted channels appear as long, relatively wide, fiat-floored valleys that possess tributaries and increase in size downstream.


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Some statistical properties of dendritic channel networks by William Christian Krumbein Download PDF EPUB FB2

Recent new research has developed our understanding of the properties of dendrites, and their role in neuronal function. The first edition of Dendrites (published by Oxford University Press in ) was a landmark in the literature, and helped to stimulate the rapid growth of the field of dendrite research.

The properties of the same type of voltage-gated channel can also be different in somatic and dendritic membranes (22, 23, 28, 31, 32), and there can be substantial variability in channel density at similar dendritic locations (perhaps indicating the existence of channel clusters or “hot spots”).

So far, there appear to be no general rules determining the distribution of voltage-gated channels in by: Dendritic synapses are probably the most important for dendritic integration and the regulation of the intrinsic dendritic excitatory properties, rather than network activity.

CB1Rs are present on a major class of interneurons that target both somatic and dendritic regions. Dunne, this issue], we analyze some consequences of the in- teraction between a sediment supply that is stochastic in space and time and the fluvial sediment routing to be expected in a higher-order, dendritic channel network.

Thus we deduce how the statistical properties of Cited by:   This is the most comprehensive handbook on dendritic cells, featuring an introduction by Ralph M.

Steinman and written by top experts. In three volumes, it covers all aspects from molecular cell biology to clinical applications, highlighting the role of dendritic cells in fighting cancer, virus infections, and autoimmune diseases. Conserved properties of dendritic trees in four cortical interneuron subtypes.

Yoshiyuki Kubota,a,1,2,3Fuyuki Karube,1,3Masaki Nomura,3,4Allan T. Gulledge,5Atsushi Mochizuki,6Andreas Schertel,7and Yasuo Kawaguchi1,2, by:   Some investigations of dendritic gradients of voltage-gated ion channels used outside-out patches. This mode of the patch-clamp technique has the advantage that the external side of the channels is exposed to the bath solution allowing rapid application of drugs and neurotransmitters [] and absolute control of the membrane potential by the patch clamp : Meron Gurkiewicz, Alon Korngreen.

Dendritic ecological networks (DENs) are a unique form of ecological networks that exhibit a dendritic network topology (e.g. stream and cave networks or plant architecture). DENs have a dual spatial representation; as points within the network and as points in geographical space.

Dendritic drainage pattern. Dendritic drainage systems (from Greek δενδρίτης, dendrites, "of or parallel to a tree") are not straight and are the most common form of drainage a dendritic system, there are many contributing streams (analogous to the twigs of a tree), which are then joined together into the tributaries of the main river (the branches and the trunk of the tree.

Dendritic cells orchestrate the adaptive immune response. As well as presenting MHC-restricted antigen for T-cell activation, they provide all the co-receptor signals required for full T-cell priming.

Dendritic Current Distribution and Whole Neuron Properties [Rall, Wilfrid] on *FREE* shipping on qualifying offers. Dendritic Current Distribution and Whole Neuron PropertiesAuthor: Wilfrid Rall. Abstract. Dendritic cells are specialized antigen-presenting cells that initiate and orient immune responses.

Numerous studies in mice and humans have shown that dendritic cells are heterogeneous and comprise several subsets that can be distinguished by their surface phenotype, ontogeny, and molecular by: An understanding of the nervous system at virtually any level of analysis requires an understanding of its basic building block, the neuron.

The third edition of From Molecules to Networks provides the solid foundation of the morphological, biochemical, and biophysical properties of nerve cells. In keeping with previous editions, the unique content focus on cellular and molecular neurobiology and related computational neuroscience.

properties of the dendritic tree provide the backbone for the electrical signaling in den-drites, even when they are richly endowed with voltage-dependent ionic currents. For example, the threshold for initiation of a den-dritic spike is determined in part by the avail-ability of sodium channels, but perhaps evenFile Size: KB.

Dendritic excitability regulates how neurons integrate synaptic inputs and thereby influences neuronal output. As active dendritic events are associated with significant calcium influx they are likely to be modulated by calcium-dependent processes, such as calcium-activated potassium channels.

Here we investigate the impact of small conductance calcium-activated potassium channels (SK channels Author: Tobias Bock, Suraj Honnuraiah, Greg J.

Stuart. These findings support the idea that in addition to biophysical membrane properties, the dendritic morphology and the synaptic topology of a neuron can play a significant role in neuronal.

The effect of dendritic size and topology on burst firing and the correlation of burst firing region with mean electrotonic path length are robust to changes in model properties, including morphology, strength of input stimulus, ion channel densities, and keeping the number of ion channels constant as morphology is changed.

ELUCIDATION OF DENDRITIC CELL RESPONSE-MATERIAL PROPERTY RELATIONSHIPS USING HIGH THROUGHPUT METHODOLOGIES A Dissertation Presented to The Academic Faculty by Peng Meng Kou In Partial Fulfillment of the Requirements for the Degree Doctor of Philosophy in Bioengineering in the Department of Biomedical Engineering Georgia Institute of Technology.

Postsynaptic integration is a complex function of passive membrane properties and nonlinear activation of voltage-gated channels. Some cortical neurons express many voltage-gated channels, with each displaying heterogeneous dendritic conductance gradients.

This complexity has hindered the construction of experimentally based mechanistic models of cortical by: Search the world's most comprehensive index of full-text books.

My library. Analysis of Dendritic Transients dendritic spine head). Each cylinder obeys the one-dimen- sional cable equation, A2 2V(X t) _Ad(-Va(x,t) (1) Thetimeconstant(T) andthespaceconstant(A)mayvaryin different parts ofthe tree, but all parts have the sameresting potential, which is assumed to be zero.

Theboundary condi- tions ofeachcylindermaybesealed end, leaky end, clamped to resting potential, or.The approach postulates that neural networks learn the statistical regularities of the natural world, signaling devi- Hierarchical network for predictive coding.

(a)General architecture of the hierarchical predictive coding model. At each input dendritic arbor of the model neurons so that each set of. B and T lymphocytes are the mediators of immunity, but their function is under the control of dendritic cells.

Dendritic cells in the periphery capture and process antigens, express lymphocyte co.