Почему отрицательный опыт оставляет более длительный след в памяти?

The aim of the following article is to examine the reasons why negative ex-perience tends to be more deeply ingrained in human memory than positive one. The article, written in the form of a cross-disciplinary study incorporat-ing elements of psychology and social science, is the author’s attempt to ar-rive at a convincing conclusion relying on personal contemplation as well as professional studies into the problem area