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  Simultaneous FMRI/CBV and EEG During Spike-Wave Seizures in WAG/Rij Rats

Mishra, A., Ellens, D., Schridde, U., Motelow, J., Purcaro, M., Hyder, F., et al. (2008). Simultaneous FMRI/CBV and EEG During Spike-Wave Seizures in WAG/Rij Rats. Poster presented at 16th Scientific Meeting and Exhibition of the International Society of Magnetic Resonance in Medicine (ISMRM 2008), Toronto, Canada.

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externe Referenz:
https://cds.ismrm.org/ismrm-2008/files/1_program.pdf (Zusammenfassung)
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 Urheber:
Mishra, AM, Autor
Ellens, DJ, Autor
Schridde, U1, 2, Autor           
Motelow, JE, Autor
Purcaro, MJ, Autor
Hyder, F, Autor
Blumenfeld, H, Autor
Affiliations:
1Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497798              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Zusammenfassung: In absence and other generalized seizure disorders, an abnormal electrical activity termed as spike-wave discharges (SWD) is observed by EEG. fMRI
during SWD in humans and animal absence epilepsy models show both increases and decreases in BOLD signals. Here we show regional BOLD
increases/decreases during SWD accompanied by CBV increases/decreases in nearly the same areas for anesthetized WAG/Rij rats. Further work will be
needed to determine if regions of BOLD decreases during SWD represent vascular steal, a primary neuronal mechanism, or a defect in neurovascular
coupling. These findings will be important for the interpretation of various fMRI signals in human absence epilepsy.

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 Datum: 2008-05
 Publikationsstatus: Erschienen
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Veranstaltung

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Titel: 16th Scientific Meeting and Exhibition of the International Society of Magnetic Resonance in Medicine (ISMRM 2008)
Veranstaltungsort: Toronto, Canada
Start-/Enddatum: 2008-05-03 - 2008-05-09

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Quelle 1

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Titel: 16th Scientific Meeting and Exhibition of the International Society of Magnetic Resonance in Medicine (ISMRM 2008)
Genre der Quelle: Konferenzband
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: - Artikelnummer: 3621 Start- / Endseite: 582 Identifikator: -