Mutual information function assesses autonomic information flow of heart rate dynamics at different time scales. - Dirk Hoyer; Bernd Pompe; Ki H. Chon; Henning Hardraht; Carola Wicher; Ulrich Zwiener (IEEE Trans. Biomed. Eng., 2005)

Autonomic information flow improves prognostic impact of task force HRV monitoring. - Dirk Hoyer; Holger Friedrich 005; Birgit Frank; Bernd Pompe; Rafal Baranowski; Jan J. Zebrowski; Hendrik Schmidt (Comput. Methods Programs Biomed., 2006)

Permutation entropy improves fetal behavioural state classification based on heart rate analysis from biomagnetic recordings in near term fetuses. - Birgit Frank; Bernd Pompe; Uwe Schneider 001; Dirk Hoyer (Medical Biol. Eng. Comput., 2006)