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blood oxygenation level dependent


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1 عمومی:: وابستگی سطح اکسیژن خون

The components of the original Model remain in place (in bold text). The popular blood oxygenation level dependent (BOLD) contrast, used to measure brain activity, is based on the fact that hemoglobin has different magnetic properties depending on its state of oxygenation: oxyhemoglobin is diamagnetic, while deoxyhemoglobin is paramagnetic, and paramagnetic substances distort the surrounding magnetic field more. This in turn, leads to a localized increase in BOLD signal intensity in that brain region, which is measured using high-field magnetic resonance scanners (Huettel, Song, & McCarthy, 2004). Thus, the BOLD signal represents an indirect and correlative measure of local neuronal activity.

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معنی کلمه blood oxygenation level dependent ، معنی اصطلاح blood oxygenation level dependent ، به blood oxygenation level dependent چی می گن؟ ، blood oxygenation level dependent چی می شه؟، واژه blood oxygenation level dependent ، معادل blood oxygenation level dependent ، blood oxygenation level dependent synonym , blood oxygenation level dependent definition , blood oxygenation level dependent meaning

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