Global signal regression reduces connectivity patterns related to physiological signals and does not alter EEG-derived connectivity
Alba Xifra‐Porxas, Michalis Kassinopoulos, Prokopis C. Prokopiou…·Georgios D. Mitsis
This study examines the impact of global signal regression on resting-state fMRI connectivity, finding it reduces physiological artifacts while preserving electrophysiological connectivity patterns.