## Abstract ## Purpose: To evaluate the effects of drift in scanner hardware and interβscanner variability on global and regional brain volume changes using longitudinal data obtained on two scanners of the exact same model. ## Materials and Methods: A total of 208 subjects (70 females and 138 m
β¦ LIBER β¦
Reproducibility of brain tissue volumes in longitudinal studies: Effects of changes in signal-to-noise ratio and scanner software
β Scribed by Borys Shuter; Ing Berne Yeh; Steven Graham; Chris Au; Shih-Chang Wang
- Book ID
- 118490966
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 783 KB
- Volume
- 41
- Category
- Article
- ISSN
- 1053-8119
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In this work we use a computer simulation to estimate the magnitude of improvement in the signal-to-noise ratio of PET functional brain mapping studies as a function of partition coefficient and permeability surface product for O-14, F-17, and O-15 labeled flow tracers. A model for signal-to-noise r