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Neural connectome features of procrastination: Current progress and future direction.

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Procrastination involves irrational delays despite negative consequences. This study proposes a triple brain network model, highlighting abnormalities in self-control, emotion regulation, and memory networks as key neural mechanisms.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Psychiatry

Background:

  • Procrastination is characterized by intentional delay despite anticipated negative outcomes.
  • Previous research has explored neural substrates using connectome-based biomarkers.
  • Understanding the neural mechanisms of procrastination remains a challenge.

Purpose of the Study:

  • To propose a unified triple brain network model for procrastination.
  • To identify challenges in understanding the neural basis of procrastination.
  • To provide an overview of connectome-based biomarkers and propose an integrative neurocognitive model.

Main Methods:

  • Review of existing literature on procrastination and neuroimaging studies.
  • Development of a neuroanatomical model based on brain networks.
  • Analysis of functional brain connectivity patterns.

Main Results:

  • The proposed model links procrastination to abnormalities in the self-control (dorsolateral prefrontal cortex), emotion-regulation (orbital frontal cortex), and episodic prospection (para-hippocampus cortex) networks.
  • Disruptions in frontoparietal network (FPN) interactions with subcortical (SCN) and salience networks (SAN) are implicated.
  • Challenges include poor interpretability and limitations of computational models.

Conclusions:

  • The study integrates neuroanatomical and functional findings into a unified triple brain network model.
  • Abnormalities in specific brain networks and their interplay are crucial for understanding procrastination.
  • Further research is needed to refine computational models and improve interpretability.