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  • 1
    Keywords: Neurosciences. ; Neurology . ; Neuroscience. ; Neurology.
    Description / Table of Contents: PART 1: WAKEFULNESS -- Chapter 1. Exploring Oscillations in Expert Sensorimotor Anticipation: the Tennis Return of Serve -- Chapter 2. Theta Rhythm in Hippocampus and Cognition -- Chapter 3. Oscillations and Synchrony in Attention -- Christian Keitel, Gregor Thut, and Joachim Gross -- Chapter 4. Pathological High-Frequency Oscillations in Mesial Temporal Lobe Epilepsy -- PART TWO: SLEEP -- Chapter 5. Cellular Mechanisms of Thalamocortical Oscillations in the Sleeping Brain -- Chapter 6. Neuroimaging of Brain Oscillations During Human Sleep -- Chapter 7. A Role for Neuronal Oscillations of Sleep in Memory and Cognition -- Chapter 8. Sleep Oscillations and Aging -- Chapter 9. Sleep Oscillations and Psychiatric Disorders.
    Abstract: This edited volume reviews recent findings that highlight the mechanisms and functions of the neuronal oscillations that structure brain activity across the sleep-wake cycle. An increasing number of studies conducted in humans and animals use a variety of techniques, ranging from intracellular recording to functional neuroimaging, that provide important insight into the mechanisms and functional properties of these brain rhythms. This book explores how the studies of these rhythms are fundamental not only for basic neuroscience, but also for clinical neuroscience. At the basic science level, neuronal oscillations shape the interactions between different areas of the brain and profoundly impact neural responses to the environment, thereby mediating the processing of information in the brain. At the clinical level, brain oscillations are affected in numerous neurological conditions and might provide useful biomarkers that inform about patients’ evolution and vulnerability. During sleep, these brain rhythms could provide functional support to internal states that govern the basic maintenance of local circuit and systemic interactions. During wake, the rhythmicity of cortical and subcortical circuits have been linked with sensory processing, cognitive operations, and preparation for action.This volume attempts to link together these sleep and wake functional roles at the level of neuroimaging and electroencephalographic measures, local field potentials, and even at the cellular level. .
    Type of Medium: Online Resource
    Pages: XXI, 277 p. 40 illus., 24 illus. in color. , online resource.
    Edition: 1st ed. 2020.
    ISBN: 9781071606537
    DDC: 612.8
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 73 (1998), S. 2048-2050 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The microgun is a combination of a nanotip and a microlens which is composed of two planar micron-size bore electrodes and a coplanar four-pole deflector microfabricated on the same Si chip. The focusing and deflection characteristics of the microgun, working as an immersion lens at 100 V, have been studied both experimentally and by numerical simulations. Results show unique electron optics properties due mainly to the coherence of the electron beam emitted from the nanotip and to the noninteraction of the incident electrons with the different microelectrodes. The focus spot can reach nanometric dimensions with minimum aberrations and a deflection amplitude of ∼2.5 mrad/V. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 88 (2000), S. 3385-3391 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Direct observations of free-standing single-wall carbon nanotubes (SWNTs), either as individual tubes or bundled in ropes, are performed using a Fresnel projection microscope (FPM). The analysis is done with the support of systematic numerical simulations of Fresnel diffraction images. The images of individual SWNTs are characterized by bright lines, while semitransparency wire fringe patterns are observed for thin ropes. Ropes with a higher number of individual tubes present the conventional Fresnel fringe patterns of an opaque wire. This differentiation in the FPM images between fringe patterns and bright line patterns allows for an easy detection of individual SWNTs. FPM also allows us to detect the presence of localized defects along SWNTs, and, in particular, the characterization of nanotube junctions. Although the exact structure of the junctions cannot be deduced presently from the images they, at least, indicate the presence of strong electric fields associated with the structural connections between the SWNTs. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 67 (1995), S. 436-438 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: In this letter, we report on the extremely narrow energy distributions that can be obtained in field emission from W and Pt nanotips. For example, the measured full width at half-maximum for a Pt nanotip can be as low as 64 meV at 80 K and 100 meV at room temperature. Moreover, these emitted beams are autocollimated to a 4° opening and have hours of stability for a current of ∼1 nA due to the fact that the emission comes from one atom. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 72 (1998), S. 975-977 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The magnetic leakage fields from the poles of magnetic nanoparticles down to 105–106 spins, isolated or situated at the edges of clusters, are observed with Fresnel projection microscopy by the presence of interference fringes generated by the magnetic phase shifts in the imaging electron beam. The particle shapes and localization of fringes are imaged simultaneously with nanometer spatial resolution at ∼200 V. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 81 (2002), S. 343-345 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Field electron emission behavior of individual multiwalled carbon nanotubes (MWNTs), that are elements of a vertically aligned array grown on a Si wafer, were analyzed with a scanning anode field emission microscope. The electron emission of each MWNT followed the conventional Fowler–Nordheim field emission mechanism after their apexes were freed from the erratic adsorption species using a conditioning process at room temperature. The conditioning process led to stable emission currents and reduced their variations ΔI/I to less than 30% between different MWNTs of the array. This opens the possibility for using MWNTs in an array as independent electron sources for massively parallel microguns. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 75 (1999), S. 1332-1334 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Nanotips are high-brightness electron sources with a principal characteristic source-size of one atom. We explore here nanotips as a type of atom-size source of Au ions. Conditions were found for a reproducible fabrication of a single Au nanotip on the principal axis of a W-base tip that emitted a beam of Au exclusively from its apex. The measured source characteristics were (i) the atomic-size source; (ii) currents: 10−14–1012 A; (iii) stability: 5 h; (iv) beam opening angle: 3.2°; and (v) energy dispersion 〈1 eV. First focusing experiments showed crossover and that the entire emitted beam was focused. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 78 (2001), S. 2799-2801 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Measured energy distributions of the electrons emitted from solid-state field-controlled emission (SSE) cathodes showed one-peak spectra having a specific profile and also a peak shift towards lower energies for increasing applied voltages. The peak shifts are related to an effective resistive behavior during the electron transport through the ultrathin wide-gap semiconductor (UTSC) layer prior to the emission. The analysis of the experimental energy distribution confirmed the main characteristics of the emission model for SSE cathodes, in particular the formation of injected space charges in the UTSC conduction band leading to a strong lowering of the surface barrier. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 116 (1994), S. 11985-11989 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Surface Science 279 (1992), S. L197-L201 
    ISSN: 0039-6028
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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