Life Sciences
Researchers' work from Bogazici University, Biomedical Engineering Institute focuses on life sciences
Published in Hematology Week, June 23rd, 2008
Fresh data on life sciences are presented in the report 'Changes in BOLD transients with visual stimuli across 1-44 Hz.' According to recent research from Bebek, Turkey, "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 plateau...
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Source: Hematology Week (2008-06-23)
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