Trouble at Rest: How Correlation Patterns and Group Differences Become Distorted After Global Signal Regression.
Ziad S. SaadStephen J. GottsKevin MurphyGang ChenHang Joon JoAlex MartinRobert W. CoxPublished in: Brain Connect. (2012)
Keyphrases
- signal processing
- regression model
- frequency domain
- statistically significant
- high frequency
- autocorrelation function
- pattern discovery
- model selection
- data mining techniques
- non stationary
- design patterns
- similar patterns
- regression algorithm
- partial least squares
- signal detection
- ridge regression
- linear regression
- heart rate
- compressive sensing
- power law
- group members
- highly correlated
- image processing
- correlation coefficient
- pattern mining
- data structure