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Cognition plays a pivotal role in shaping emotional experiences, as demonstrated by Schachter and Singer’s two-factor theory of emotion. According to this model, emotion arises from a combination of physiological arousal and cognitive interpretation. The body’s physiological response to stimuli is ambiguous and only gains emotional significance through cognitive labeling. For instance, an increased heart rate and adrenaline surge while standing near an attractive person may be...
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Related Experiment Video

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Exploring the Neural Correlates of Cognitive Reappraisal in Obsessive-Compulsive Disorder Using Task-based Functional Magnetic Resonance Imaging
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Negatively Linking Connector Networks in Cognitive Control of Affective Pictures.

Wenhai Zhang1,2, Jing Chen3, Guofang Ren4

  • 1College of Education Science, The Big Data Centre for Cognitive Neuroscience and AI, Hengyang Normal University, Hengyang, China.

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This study reveals how the brain controls emotions by preserving negative brain connections. Flexible hubs in the frontoparietal system dynamically manage neural activity for emotional regulation.

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Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Network Science

Background:

  • Cognitive control of emotions relies on long-distance brain communication.
  • Traditional methods remove negative connections, limiting understanding of brain networks.
  • Connector hubs are crucial for intermodular communication in the brain.

Purpose of the Study:

  • To explore time-varying features of connector hubs in intermodular communications during cognitive control of affective pictures.
  • To investigate the role of negative connections in brain network dynamics.
  • To develop a novel approach for analyzing sparse functional networks with negative links.

Main Methods:

  • Utilized a soft-thresholding approach to preserve negative links in functional networks.
  • Developed a novel method for sparse functional network construction.
  • Constructed negatively linking connector networks for positive, negative, and neutral pictures.

Main Results:

  • The frontoparietal system, with flexible hubs, dynamically inhibits neural activity via negative connections from salience and visual areas.
  • Shared connectors form dynamic functional backbones that reconfigure based on picture valence.
  • These findings highlight the importance of negative links in cognitive connector networks.

Conclusions:

  • Conserving negative links is essential for accurate chronnectome research.
  • Understanding dynamic reconfiguration of connector networks improves insights into emotional processing.
  • This study deepens the comprehension of how connector networks evolve during cognitive control of affective stimuli.