Abstract
Endogenous fMRI default mode network fluctuations both positively and negatively correlate with individual transfer of learning.
Highlights
The behavioral relevance of restingstate/endogenous default mode network (DMN) fluctuations, in the medial temporal lobe (MTL), is a question of great interest to cognitive neuroscientists
Several days after subjects’ task participation, they underwent two separate 5-min fMRI measurements of endogenous functional connectivity. The authors defined their regions of interest from prominent networks observed using a statistical technique that uncovers hidden components contributing to a signal, independent component analysis (ICA). They focused on analyzing endogenous functional connectivity in two regions associated with transfer of learning, the ventromedial PFC (vmPFC) and hippocampus
Left anterior hippocampal endogenous functional connectivity with the vmPFC negatively correlated with individual transfer of learning performance (Gerraty et al, 2014)
Summary
The behavioral relevance of restingstate/endogenous default mode network (DMN) fluctuations, in the medial temporal lobe (MTL), is a question of great interest to cognitive neuroscientists. Several approaches have related endogenous hippocampal fMRI signal fluctuations to behavior. Transfer of learning is highly variable among subjects (Wimmer and Shohamy, 2012) and theoretically there should be trait markers of an individual’s ability observable in endogenous fluctuations.
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