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The association between resting functional connectivity and dispositional optimism.

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Summary
This summary is machine-generated.

Dispositional optimism is linked to brain connectivity. Optimists show stronger connections between the ventromedial prefrontal cortex (vmPFC) and middle temporal gyrus (mTG), and weaker connections with the inferior frontal gyrus (IFG).

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Area of Science:

  • Neuroscience
  • Psychology

Background:

  • Dispositional optimism, characterized by positive future expectations, is a key human trait.
  • Prior research explored neural correlates of optimism, including brain activity and structure.
  • Functional connectivity underlying optimism remains less understood.

Purpose of the Study:

  • To investigate the association between dispositional optimism and resting-state functional connectivity (RSFC).
  • To identify brain regions functionally connected with the ventromedial prefrontal cortex (vmPFC) in relation to optimism.

Main Methods:

  • Utilized resting-state functional connectivity (RSFC) analysis.
  • Set the ventromedial prefrontal cortex (vmPFC) as the seed region.
  • Examined correlations between vmPFC connectivity and individual differences in dispositional optimism.

Main Results:

  • Dispositional optimism positively correlated with RSFC between vmPFC and middle temporal gyrus (mTG).
  • Dispositional optimism negatively correlated with RSFC between vmPFC and inferior frontal gyrus (IFG).

Conclusions:

  • The middle temporal gyrus (mTG) and inferior frontal gyrus (IFG) are implicated in dispositional optimism.
  • These findings suggest that brain regions involved in emotion processing and regulation contribute to optimism.