Default mode network (DMN) is a large-scale brain system originally characterized
by neural deactivation during goal-directed tasks and relative activations in “task-negative,”
or resting states. Recent works challenge this antagonistic framing, showing that
internally directed cognitive tasks can produce greater DMN activation than at rest.
This DMN activity is associated with task-linked coupling between DMN and the frontoparietal
control network (FPCN), a brain system implicated in guiding goal-oriented cognition.
Additional work suggests FPCN has subsystems specializing in externally vs. internally
directed tasks, the latter being relatively under-studied. We added to this effort
to map internally directed cognition through network analysis of an exemplar internally
directed task.
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© 2020 Published by Elsevier Inc.
