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BOLD signal BOLD fMRI is often used to measure the hemodynamic response resulting from changes in the oxygenation level in the blood vessels. Yet to be explained is the relationship between neuronal activity and the measured fMRI signal. In a seminal paper,  Ogawa et al., (1990) showed that blood-oxygenation-level-dependent (BOLD) constitutesRead More →

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  Esta imagem é um trabalho derivado de: 1. LadyofHats derivative work: Gabby8228 () [released into the Public domain], via Wikimedia Commons. *AND* 2. Zephyris: at the English language Wikipedia [GFDL (www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], via Wikimedia Commons. Este texto está licenciado com uma Licença Creative Commons – Atribuição-CompartilhaIgual 4.0Read More →