Right anterior cingulate cortical volume covaries with respiratory sinus arrhythmia magnitude in combat veterans.

@article{Woodward2008RightAC,
  title={Right anterior cingulate cortical volume covaries with respiratory sinus arrhythmia magnitude in combat veterans.},
  author={Steven H Woodward and Danny G Kaloupek and Marie Schaer and Christelle Martinez and Stephan Eliez},
  journal={Journal of rehabilitation research and development},
  year={2008},
  volume={45 3},
  pages={
          451-63
        }
}
Existing data suggest anterior cingulate cortex (ACC) plays a role in autonomic regulation. In persons with posttraumatic stress disorder (PTSD), autonomic regulation appears impaired and smaller mean ACC volume has been reported. This study examined relationships between ACC volume and the magnitude of respiratory sinus arrhythmia (RSA) in 77 U.S. combat veterans at rest, 40 of whom met criteria for PTSD. RSA magnitude did not differ in combat survivors with and without PTSD, which contradicts… CONTINUE READING

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