Neurosalience #S3E7 with Seong-Gi Kim - Digging Into All The Mysteries Of fMRI Contrast
Neurosalience
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The Negative Signal Changes
I think there's a lot of things. It's very hard to making one single conclusion. You had a really nice paper in Journal of Cerebral Blood flow in metabolism 2002 talking about negative changes. And everyone was wondering, what are these negative changes? You actually came out with an interesting hypothesis that was pretty well argued that it's sort of a potentially a steel effect and some oiling of blood from other areas might be a steel effect. But at the same time, I think that there's recent papers from you from you as well that may suggest there's a real decrease in neural activity.
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