Population
Samples of human blood, monkey brain, and ferritin solutions
Design
Preclinical
Authors
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May warrant caution interpreting BOLD signals at higher fields; leaves open human translation of field-dependent T2 effects.
The study demonstrates that T2 relaxation has a quadratic field dependence in deoxygenated blood but a linear dependence in brain tissue and ferritin solutions, which has implications for MRI contrast mechanisms.
Brooks et al. (1995) studied this question.
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