Within-subject variation in BOLD-fMRI signal changes across repeated measurements: Quantification and implications for sample size.
Bram B. ZandbeltThomas E. GladwinMathijs RaemaekersMariët van BuurenSebastiaan F. W. NeggersRené S. KahnNick F. RamseyMatthijs VinkPublished in: NeuroImage (2008)
Keyphrases
- sample size
- functional magnetic resonance imaging
- event related
- human brain
- model selection
- signal processing
- upper bound
- random sampling
- covariance matrix
- small sample size
- small sample
- brain activity
- statistical power
- pac learning
- statistical tests
- experimental design
- high dimensional
- variance reduction
- statistical hypothesis testing
- correlation analysis
- vc dimension
- pattern classification
- human subjects
- small samples
- data analysis
- confidence intervals
- brain regions
- progressive sampling
- medical images
- worst case
- brain images
- data sets
- statistically significant
- number of training samples
- evolutionary algorithm
- uniform sampling
- lower bound
- learning algorithm