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Striatum gray matter reduction in males with an overactive behavioral activation system.

Authors
  • Barrós-Loscertales, A
  • Meseguer, V
  • Sanjuán, A
  • Belloch, V
  • Parcet, M A
  • Torrubia, R
  • Avila, C
Type
Published Article
Journal
The European journal of neuroscience
Publication Date
Oct 01, 2006
Volume
24
Issue
7
Pages
2071–2074
Identifiers
PMID: 17040475
Source
Medline
License
Unknown

Abstract

Using optimized voxel-based morphometry, we studied the relationship between gray matter volume in brain areas associated with reward and scores on a behavioral activation system measure (the Sensitivity to Reward scale) in a sample of 50 male undergraduates. Voxel-based morphometry analysis revealed a negative correlation between Sensitivity to Reward scores and gray matter volume in the dorsal striatum and prefrontal cortex. Results indicate that a reduced volume in the striatum might be associated with enhanced reward sensitivity and deficits in inhibitory control.

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