Encyclopedia of Systems Biology

2013 Edition
| Editors: Werner Dubitzky, Olaf Wolkenhauer, Kwang-Hyun Cho, Hiroki Yokota

Positive Feedback

Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-9863-7_528



Positive feedback refers to the enhancement or amplification of an effect by its own influence on a process that gives rise to it. When positive feedback is present, a small change can create an effect of an even bigger change (Fig.  1).
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Copyright information

© Springer Science+Business Media, LLC 2013

Authors and Affiliations

  1. 1.Zhou Pei-Yuan Center for Applied Mathematics, Tsinghua University of BeijingBeijingChina