A new study on Nervous System Research is now available at Nagoya University. According to news reporting originating from Nagoya, Japan, by NewsRx correspondents, research stated, "We investigated whether vagal tone, as assessed by heart rate variability (HRV), moderates the neural correlates of immune and physiological responses to acute stress. Participants with low and high baseline HRV underwent a reversal learning task as an acute stressor."
A quote from the research from Nagoya University, "Natural killer cells, norepinephrine, and adrenocorticotropic hormone in peripheral blood changed with acute stress in the high HRV group only. Activity in the prefrontal cortex and striatum correlated with the immune and physiological indices in the high HRV group."
The research concluded: "High vagal tone may reflect more flexible top-down brain regulation of immune and physiological activity."
For more information on this research see: Vagal nerve activity as a moderator of brain-immune relationships. Journal of Neuroimmunology, 2013;260(1-2):28-36. (Elsevier - www.elsevier.com; Journal of Neuroimmunology
The news editors report that additional information may be obtained by contacting H. Ohira, Dept. of Psychology, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan. Additional authors for this research include M. Matsunaga, T. Osumi, S. Fukuyama, J. Shinoda, J. Yamada and Y. Gidron.
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