Abstract
The potential of functional MR-imaging at 1.5 T was studied using optical stimulation of the human brain. Differences in the image intensity of up to 30% were obtained in the visual cortex area, correlating with the time course of the stimuli. A simplified semi-quantitative model describing the role of in-flow effects in brain vessels on signal increase during the stimulation period is presented.
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Gomiscek, g., Beisteiner, R., Hittmair, K. et al. A possible role of in-flow effects in functional MR-imaging. MAGMA 1, 109–113 (1993). https://doi.org/10.1007/BF01769410
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DOI: https://doi.org/10.1007/BF01769410