The sources of echoes displayed extracranially in echoencephalography
β Scribed by D.N White
- Book ID
- 103443847
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 675 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0041-624X
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## Abstract Stimulationβinduced changes in transverse relaxation rates can provide important insight into underlying physiological changes in blood oxygenation levelβdependent (BOLD) contrast. It is often assumed that BOLD fractional signal change (Ξ__S__/__S__) is linearly dependent on echo time (