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  Laminar specificity of the SE-fMRI signal in monkey striate visual cortex

Goense, J., & Logothetis, N. (2006). Laminar specificity of the SE-fMRI signal in monkey striate visual cortex. Poster presented at 14th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2006), Seattle, WA, USA.

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https://cds.ismrm.org/ismrm-2006/files/program.pdf (Zusammenfassung)
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 Urheber:
Goense, JBM1, 2, Autor           
Logothetis, NK1, 2, 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: To relate fMRI signals to the underlying neural events, it is necessary to achieve a spatial resolution and specificity that permits visualization of the cortical
functional units, e.g. cortical columns or laminae. Because the resolution of GE-fMRI is determined by intracortical veins and therefore limited, we used SEfMRI,
which is weighted towards capillaries, to obtain specific BOLD responses. SE-EPI however is also sensitive to the venous fraction, potentially
limiting spatial resolution. By decreasing the EPI acquisition window, we obtained highly specific functional activation. Activation was predominantly
located in layer IV, while activation around surface vessels varied with acquisition window length.

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 Datum: 2006-05
 Publikationsstatus: Erschienen
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 Identifikatoren: BibTex Citekey: 4286
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Veranstaltung

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Titel: 14th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2006)
Veranstaltungsort: Seattle, WA, USA
Start-/Enddatum: 2006-05-06 - 2006-05-12

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Projektinformation

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Quelle 1

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Titel: 14th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2006)
Genre der Quelle: Konferenzband
 Urheber:
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: - Artikelnummer: 3258 Start- / Endseite: 618 Identifikator: -