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Changes in BOLD transients with visual stimuli across 1-44 Hz.

Abstract:

The dependency of positive BOLD (PBOLD) and post-stimulus undershoot (PSU) on the temporal frequency of visual stimulation was investigated using stimulation frequencies between 1 and 44 Hz. The PBOLD peak at 8 Hz in primary visual cortex was in line with previous neuroimaging studies. In addition to the 8 Hz peak, secondary peaks were observed for stimulation frequencies at 16 and 24 Hz. These additional local peaks were contrary to earlier fMRI studies which reported either a decrease or a ...

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Authors


Bayraktaroglu, Z More by this author
Ademoglu, A More by this author
Demiralp, T More by this author
Journal:
Neuroscience letters
Volume:
436
Issue:
2
Pages:
185-188
Publication date:
2008-05-05
DOI:
EISSN:
1872-7972
ISSN:
0304-3940
URN:
uuid:b22ca4cf-2756-453b-9694-027bb1f538aa
Source identifiers:
457585
Local pid:
pubs:457585

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