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  • 1
    Online Resource
    Online Resource
    Cambridge :Cambridge University Press,
    Keywords: Electroencephalography - methods. ; Electronic books.
    Description / Table of Contents: An authoritative reference giving a systematic overview of new electrical imaging methods. Provides a comprehensive and sound introduction to the basics of multichannel recording of EEG and event-related potential (ERP) data, as well as spatio-temporal analysis of the potential fields. Chapters include practical examples of illustrative studies and approaches.
    Type of Medium: Online Resource
    Pages: 1 online resource (250 pages)
    Edition: 1st ed.
    ISBN: 9780511593710
    DDC: 616.8/047547
    Language: English
    Note: Cover -- Half-title -- Title -- Copyright -- Dedication -- Contents -- Contributors -- Preface -- 1 From neuronal activity to scalp potential fields -- Introduction -- Spikes and local field potentials -- Sinks and sources -- Equivalent current dipoles -- Spatial smoothness -- Oscillations in brain networks -- Slow, delta rhythms -- Theta rhythms -- Alpha rhythms -- Spindle (sigma) rhythms -- Faster (beta, gamma) rhythms -- Conclusions -- References -- 2 Scalp field maps and their characterization -- Generic form of scalp field data -- Display of a scalp field map -- Interpolation -- The reference electrode -- Spatial derivatives: gradients, current source density and spatial deblurring -- Map descriptors -- Map descriptors of the spatial distribution of scalp fields: extreme potential values, centroids, electric gravity center -- Extreme potential values -- Centroids of positive and negative potential areas -- Electric gravity center -- Advantages and limitations of map descriptors -- Map descriptor of the global strength of scalp fields: Global Field Power -- Difference maps, amplitude normalization and dissimilarity -- Difference maps and pre-stimulus baseline -- Normalization and map dissimilarity -- References -- 3 Imaging the electric neuronal generators of EEG/MEG -- Introduction -- Origin of scalp electric potential differences -- Some first steps in estimating cortical activity: from single waves to scalp topography to intracranial dipoles -- Imaging the electric neuronal generators with discrete, 3D distributed, linear tomographies -- Statistical standardization -- The regularization parameter -- Adaptive spatial filter for bioelectromagnetic source imaging -- Definitions -- Source reconstruction using spatial filter -- Nonadaptive spatial filter -- Adaptive spatial filter -- Minimum-variance spatial filter with the unit-gain constraint. , Minimum-variance spatial filter with the array gain constraint -- Prerequisite for the adaptive spatial filter formulation -- Scalar minimum-variance spatial filter -- Examples of the source reconstruction -- Head volume conductor model and solution space -- Conclusion -- References -- 4 Data acquisition and pre-processing standards for electrical neuroimaging -- Introduction -- Spatial sampling -- Distribution of the electrodes -- Measurement of the electrode positions -- Spatial normalization and interpolation -- Artifact detection and elimination -- Conclusions -- References -- 5 Overview of analytical approaches -- The general model -- Temporal elements (model waveforms) -- Delta elements -- Sinewave elements -- Wavelets and Gabor functions -- Spatial elements (model topographies) -- Single channels -- Spatial factor analysis (PCA, ICA, PLS) -- Spatial clusters -- Topographic component recognition (spatial filters) -- Distributed inverse solutions -- Common properties of dictionaries and topographies -- Combinatorics of data-analytical approaches -- Single channel maps and delta-element dictionaries (waveshape analysis) -- Single channel maps and sinusoidal dictionaries (power maps and coherence) -- Single channel maps and wavelets -- Spatial factors and delta-function dictionaries -- Spatial factors and sinusoidal dictionaries -- Spatial factors and wavelets -- Spatial clusters and delta functions (microstates) -- Spatial clusters and sinusoidal dictionaries -- Spatial clusters and wavelets -- Topographic component recognition and delta functions -- Distributed inverse solutions in time and frequency -- Conclusions -- References -- 6 Electrical neuroimaging in the time domain -- Spatial analysis of the spontaneous EEG -- Resting state and neurocognitive networks -- Functional microstates of the brain. , Methods used to analyze microstates of the spontaneous EEG -- Spatial analysis of evoked potentials -- Multichannel waveform analysis -- Analysis of field strength and topography -- Microstate analysis -- Source analysis -- Applications of spatial ERP analysis methods -- State-dependent information processing and pre-stimulus baseline -- Spatial single-trial ERP analysis -- Spatio-temporal analysis of interictal epileptic activity -- Conclusion -- References -- 7 Multichannel frequency and time-frequency analysis -- Introduction and overview -- Frequency-domain EEG analysis -- Frequency, amplitude, power and phase of a single channel -- Amplitude, power and phase of a single intracerebral oscillating source -- Amplitude, power and phase of several intracerebral oscillating sources -- Amplitude and power of real EEG data -- Phase of real EEG data and measures of phase synchronization -- Averaging of complex frequency-domain EEG data -- Frequency-domain source models (single phase and multiple phase) -- Time-varying oscillations (wavelets) -- Relationship to frequency-domain analysis -- Display of single-channel time-frequency data -- Time-frequency analysis under different models of event-related brain activity -- Envelope and phase are event-locked -- Envelope is event-locked, but phase is random -- Envelope is random, but phase is event-locked -- Envelope and phase are random -- Reduction of dimensions in frequency- and time-frequency-domain EEG data -- Reduction of dimensions in space based on map learning -- Reduction of dictionary size by dictionary learning -- Conclusions -- References -- 8 Statistical analysis of multichannel scalp field data -- Introduction -- Basic principles of randomization statistics and a "toy" example -- Applications for scalp field data -- The sample data -- Overview of the analyses. , Testing the topography consistency across subjects -- Comparison of map differences between conditions -- Test for the frequency and duration of effects of the design -- Post-hoc tests -- Partial least squares -- Test for correlations with language proficiency increase -- Randomization tests on microstate assignment -- Concluding remarks -- References -- 9 State space representation and global descriptors of brain electrical activity -- The state space representation -- The notion of state space -- Structure of the EEG state space -- Vector space structure -- Metric structure -- Relation to topographical analysis -- Linear transformations -- Projections -- Principal component analysis -- Principal components -- Phenomenology of EEG trajectories -- Source model and spatial modes -- Global descriptors -- Principle of dimensional simplicity -- Integral field strength and generalized frequency -- Measure of spatial complexity -- Three-dimensional representation of global functional states -- Transformations in the - space -- Extensions and modifications -- Regional measures -- Local complexity differentials -- Omega complexity as a function of frequency -- Omega complexity production rate -- Omega complexity from correlation matrices -- Record-wise variance normalization -- Selected applications -- Sleep stages and vigilance variations -- Epilepsy and paroxysmal brain activity -- Neuropathology, neuropsychiatry -- Effects of neuroactive substances -- Developmental changes of EEG -- Sensory and motor processes -- Miscellaneous topics -- Relations to other analytical approaches -- Microstate models -- Synchronization measures -- Summary -- Acknowledgements -- List of symbols -- References -- 10 Integration of electrical neuroimaging with other functional imaging methods -- Introduction -- Combining EEG and MEG -- Combining EEG with fMRI. , Combining EEG with fMRI using sequential recordings -- Combining EEG with fMRI in developmental populations -- Combining EEG with fMRI in simultaneous recordings -- Simultaneous EEG-fMRI in epilepsy -- Simultaneous EEG-fMRI in resting state recordings -- Further simultaneous EEG-fMRI applications -- The EEG and transcranial magnetic stimulation -- Other combinations and conclusions -- References -- Index.
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  • 2
    Online Resource
    Online Resource
    Berlin : Gesamtverband der Deutschen Versicherungswirtschaft e.V., Unfallforschung der Versicherer
    Keywords: Forschungsbericht ; Omnibus ; Verkehrsunfall ; Kraftfahrzeuginsasse
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (102 Seiten, 3,55 MB) , Illustrationen, Diagramme
    Series Statement: Forschungsbericht / Gesamtverband der Deutschen Versicherungswirtschaft e.V. 05
    DDC: 363.125
    Language: German
    Note: Literaturverzeichnis: Seite 89-92
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  • 3
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (44 Seiten, 4,58 MB) , Diagramme, Illustrationen
    Language: German
    Note: Förderkennzeichen BMWi 20T1312B. - Verbund-Nummer 01149373 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden
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  • 4
    Keywords: Geopotential ; Westwinddrift ; Störung 〈Meteor.〉 ; Breitenkreis 〈Nord, 50〉 / B.f. Meteorologie
    Type of Medium: Book
    Pages: 58 S , Ill
    Series Statement: Meteorologische Abhandlungen N.F., 3,4
    RVK:
    Language: German
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  • 5
    Keywords: Forschungsbericht ; Meereis ; Arktis ; Seekarte ; Radar ; Synthetische Apertur ; Erde ; Fernerkundung ; Satellitenbildkarte
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (66 Seiten, 9,05 MB) , Illustrationen, Diagramme, Karten
    Language: German
    Note: Förderkennzeichen BMVI 19F1038A+B , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden
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  • 6
    Online Resource
    Online Resource
    Ann Arbor : University of Michigan Press
    Type of Medium: Online Resource
    Pages: 1 online resource (221 pages)
    Edition: 1st ed.
    ISBN: 9780472904716
    Language: English
    Note: Description based on publisher supplied metadata and other sources
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  • 7
    Keywords: Constitutional law--European Union countries ; European Union countries--Politics and government ; Electronic books
    Type of Medium: Online Resource
    Pages: 1 online resource (330 pages)
    ISBN: 9781134173358
    Series Statement: Routledge/ECPR Studies in European Political Science Series
    DDC: 342.24
    Language: English
    Note: Description based on publisher supplied metadata and other sources
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  • 8
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 90 (1968), S. 7014-7019 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    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 89 (1967), S. 2948-2952 
    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
    s.l. : American Chemical Society
    The @journal of organic chemistry 33 (1968), S. 1530-1532 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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