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Trait motivation is associated with fusiform face area morphometry.

Hangshek Lau1, Yiying Song1, Shan Xu1

  • 1Faculty of Psychology, Beijing Normal University, Beijing, China.

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PubMed
Summary

Trait motivation, specifically the behavioral inhibition system (BIS), is linked to brain structure and face recognition abilities. Higher BIS scores correlate with increased gray matter volume in the fusiform face area and improved face recognition.

Keywords:
Behavioral inhibition systemFace perceptionFusiform face areaTrait motivationVoxel-based morphometry

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Individual Differences

Background:

  • Trait motivation influences behavior, but its role in perception is understudied.
  • Previous research focused on affective/motivational processing, neglecting perceptual impacts.
  • Face perception is a key perceptual process for examining motivation's effects.

Purpose of the Study:

  • To investigate the link between trait motivation (BAS/BIS) and the structure/function of face processing regions.
  • To determine if BIS and BAS scores correlate with face recognition performance.
  • To explore the relationship between motivational systems and perceptual processes.

Main Methods:

  • Voxel-based morphometry (VBM) on neuroimaging data.
  • Correlation analysis between BIS/BAS scores and gray matter volume in face-selective regions.
  • Assessment of face recognition performance in relation to BIS/BAS scores.
  • Study sample: 264 Chinese young adults.

Main Results:

  • Behavioral inhibition system (BIS) scores positively correlated with gray matter volume in the fusiform face area.
  • Higher BIS scores were associated with enhanced face recognition performance.
  • No significant association found for the behavioral activation system (BAS).

Conclusions:

  • Trait motivation, particularly BIS, is intrinsically linked to the neuroanatomy and function of the face processing system.
  • Findings challenge the strict separation of motivational and perceptual systems.
  • Highlights the interconnectedness of motivation and perception in cognitive processes.