Intrinsic signal changes accompanying sensory stimulation: functional brain mapping with magnetic resonance imaging.

We report that visual stimulation produces an easily detectable (5-20%) transient increase in the intensity of water proton magnetic resonance signals in human primary visual cortex in gradient echo images at 4-T magnetic-field strength. The observed changes predominantly occur in areas containing g...

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Main Authors: Ogawa, S, Tank, D W, Menon, R, Ellermann, J M, Kim, S G, Merkle, H, Ugurbil, K
Format: Artigo
Jezik:Inglês
Izdano: 1992
Teme:
Research Article
Online dostop:https://ncbi.nlm.nih.gov/pmc/articles/PMC402116/
https://ncbi.nlm.nih.gov/pubmed/1631079
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