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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
1995-3-15
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pubmed:abstractText |
New developments in multimodal registration of electroencephalography (EEG), magnetic resonance imaging (MRI), and positron emission tomography (PET) are presented as a method to create a tomographic EEG. Three-dimensional information about the x,y,z location of the sources of event-related potentials is corroborated through the use of experimental design and coregistration with MRI and PET. Once the three-dimensional location of event-related potential dipole sources is identified and corroborated, pseudoinverse procedures are used to derive a new EEG voltage sequence from each of the dipoles. Each derived EEG dipole time series is analogous to recording EEG from a deeply implanted electrode and constitutes a four-dimensional tomographic EEG (i.e., three-dimensional space plus time). EEG coherence and phase analyses are then performed on the dipole-derived time series to study the temporal and spatial dynamics of neural network switching during voluntary finger movements. The purpose of this article is to demonstrate a new method to exploit the time domain dynamics of neural network switching in behaving human subjects.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:month |
Jan
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pubmed:issn |
1051-2284
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
5
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
35-45
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:7849370-Brain,
pubmed-meshheading:7849370-Electrodes, Implanted,
pubmed-meshheading:7849370-Electroencephalography,
pubmed-meshheading:7849370-Fingers,
pubmed-meshheading:7849370-Humans,
pubmed-meshheading:7849370-Magnetic Resonance Imaging,
pubmed-meshheading:7849370-Magnetoencephalography,
pubmed-meshheading:7849370-Motor Skills,
pubmed-meshheading:7849370-Nerve Net,
pubmed-meshheading:7849370-Time Factors,
pubmed-meshheading:7849370-Tomography, Emission-Computed
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pubmed:year |
1995
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pubmed:articleTitle |
Tomographic electroencephalography/magnetoencephalography. Dynamics of human neural network switching.
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pubmed:affiliation |
Neurology and Medical Research Services, Veterans Administration Medical Center Bay Pines, FL 33504.
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pubmed:publicationType |
Journal Article,
Review,
Research Support, Non-U.S. Gov't
|