From the Margret & H.A. Rey Laboratory for Nonlinear Dynamics in Medicine, Cardiovascular Division, and the Mind/Body Medical Institute of CareGroup, the Beth Israel Deaconess Medical Center, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts; Center for Polymer Studies and Department of Physics, Boston University, Boston, Massachusetts.
|This article originally appeared in the International Journal of Cardiology 70: 101-107, 1999. Please cite this publication when referencing this material. Presentation of this study and the supporting data has been made possible by grants from the Fetzer Institute, National Aeronautics and Space Administration, National Institute of Mental Health, and The G. Harold and Leila Y. Mathers Charitable Foundation. PostScript and PDF versions are also available. The cardiac inter-beat interval data on which this article is based may be found here.|