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The Brain's Topographical Organization Shapes Dynamic Interaction Patterns That Support Flexible Behavior Based on

Xiuyi Wang1,2,3, Katya Krieger-Redwood3, Baihan Lyu4,2

  • 1CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China wangxiuyi@psych.ac.cn duyi@psych.ac.cn.

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|March 25, 2024
PubMed
Summary

The frontoparietal control network (FPCN) adapts to situations by integrating external rules and internal knowledge. Its topographical organization near attention and memory networks enables flexible behavior by segregating or unifying its functions.

Keywords:
cortical topographydefault mode networkdorsal attention networkflexible cognitionfrontoparietal control network

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Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Systems Neuroscience

Background:

  • Adaptive behavior requires balancing situational rules and stable long-term knowledge.
  • The frontoparietal control network (FPCN) is crucial for integrating these influences on action.
  • The FPCN's functional properties may stem from its proximity to the dorsal attention network (DAN) and default mode network (DMN).

Purpose of the Study:

  • To investigate how cortical topographical organization supports behavioral flexibility within the FPCN.
  • To test if FPCN subnetworks are topographically close to the DAN and DMN.
  • To determine if this proximity relates to functional differences in working and long-term memory.

Main Methods:

  • Examined the anatomical and functional similarities between FPCN subnetworks and neighboring DAN/DMN.
  • Analyzed how topographical organization influences FPCN interaction patterns.
  • Investigated how these patterns relate to distinct cognitive modes and behavioral flexibility.

Main Results:

  • FPCN subsystems exhibit anatomical and functional similarities with the DAN and DMN.
  • Topographical architecture supports distinct interaction patterns, leading to varied functional behaviors.
  • The FPCN unifies when long-term knowledge is relevant but segregates when it is less so.

Conclusions:

  • The topographical organization of the FPCN is key to its role in flexible behavior.
  • Proximity to DAN and DMN influences distinct cognitive modes and interaction patterns.
  • FPCN's ability to segregate or unify supports adaptive behavioral responses.