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Heart Rate Variability Is Associated With Polymorphic Variation in the Choline Transporter Gene

Serina A. Neumann, PhD, Elizabeth C. Lawrence, BA, J. Richard Jennings, PhD, Robert E. Ferrell, PhD and Stephen B. Manuck, PhD

From the Department of Psychology (S.A.N., S.B.M.), University of Pittsburgh, the Department of Human Genetics (E.C.L., R.E.F.), Graduate School of Public Health, University of Pittsburgh, and the Department of Psychiatry (J.R.J.), University of Pittsburgh Medical Center, Pittsburgh, PA.



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  		Figure 1. Association of CHT1 (G/T) genotype and components of heart rate variability. Note: high-frequency (HF) and low-frequency (LF) power estimates are scaled on the left Y axis, whereas LF/HF ratios are scaled on the right Y axis.

 




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