Scale-invariant rearrangement of resting state networks in the human brain under sustained stimulation.

ABSTRACT: Brain activity at rest is characterized by widely distributed and spatially specific patterns of synchronized low-frequency blood-oxygenation level-dependent (BOLD) fluctuations, which correspond to physiologically relevant brain networks. This network behaviour is known to persist also during task execution, yet the details underlying task-associated modulations of within- and between-network connectivity are largely unknown. In this study we exploited a multi-parametric and multi-scale approach to investigate how low-frequency fluctuations adapt to a sustained n-back working memory task. We found that the transition from the resting state to the task state involves a behaviourally relevant and scale-invariant modulation of synchronization patterns within both task-positive and default mo

SUBMITTER: Tommasin S 

PROVIDER: S-EPMC6538940 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature