But in response to the column, several readers argued that it is technically a “positive feedback loop.” Here's why. Negative feedback loops are broadly referred to in engineering and biology ...

This is, however, an example of a positive feedback loop enhancing a negative outcome. How Negative Feedback Works . Many people believe financial markets can exhibit feedback loop behaviors.

Phosphorylation of Tyr412 can occur autocatalytically by a trans-mechanism and cause activation of otherwise inactive c-Abl, suggesting a positive feedback loop on c-Abl activity.