File:Negated sigmoid function.png

Summary
Negated-translated sigmoid function, created by Uma Ramamurthy, Sidney K. D’Mello, and Stan Franklin for Sparse distributed memory. Source: http://csjarchive.cogsci.rpi.edu/proceedings/2006/docs/p1992.pdf

Shows a graphical representation of the "Realizing Forgetting" model, in the shape of a negated-translated sigmoid function.

Graphed using Microsoft Excel 2007, used with permission from Microsoft.