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  Hemodynamic Response to 1ms Stimulus is Detectable in Human Subjects

Yesilyurt, B., Ugurbil, K., & Uludag, K. (2006). Hemodynamic Response to 1ms Stimulus is Detectable in Human Subjects. Poster presented at 12th Annual Meeting of the Organization for Human Brain Mapping (HBM 2006), Firenze, Italy.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-D163-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-C404-A
Genre: Poster

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 Creators:
Yesilyurt, B1, 2, Author              
Ugurbil, K, Author
Uludag, K1, 2, Author              
Affiliations:
1Former Department MRZ, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_2528700              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: In a previous study, we have shown that in humans it is possible to detect blood oxygenation level dependent (BOLD) signal changes evoked by a visual stimulus presented only for 5 ms. Moreover, we observed that the extrapolated intercept at 0ms stimulus duration was not zero suggesting that below a specific stimulus duration the hemodynamic response remains constant. In this study, we have expanded our previous investigation on the temporal behavior of the BOLD response by zooming into the time scale of stimulus durations as short as 0,1 to 5ms (at 7T) and 1 to 5ms (at 3T), in order to evaluate if there is indeed a minimum hemodynamic response.

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 Dates: 2006-06
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1016/j.neuroimage.2006.04.176
BibTex Citekey: 4931
 Degree: -

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Title: 12th Annual Meeting of the Organization for Human Brain Mapping (HBM 2006)
Place of Event: Firenze, Italy
Start-/End Date: 2006-06-11 - 2006-06-15

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Title: NeuroImage
Source Genre: Journal
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Publ. Info: Orlando, FL : Academic Press
Pages: - Volume / Issue: 31 (Supplement 1) Sequence Number: 659 M-AM Start / End Page: S47 Identifier: ISSN: 1053-8119
CoNE: https://pure.mpg.de/cone/journals/resource/954922650166