# ANN - Artificial Neural Networks

**URL:** https://forum.kirupa.com/t/ann-artificial-neural-networks/313246
**Category:** programming
**Created:** [August 24, 2010, 10:22pm UTC](https://forum.kirupa.com/t/ann-artificial-neural-networks/313246 "2010-08-24T22:22:33Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![phsythax](https://avatars.discourse-cdn.com/v4/letter/p/ccd318/32.png) [@phsythax](https://forum.kirupa.com/u/phsythax)
#### Post date: [August 24, 2010, 10:22pm UTC](https://forum.kirupa.com/t/ann-artificial-neural-networks/313246/1 "2010-08-24T22:22:33Z")

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When building a ANN, do i really have to use a bias a.k.a. threshold-value?

i mean, the activator (sum of inputs multiplied by the weights) can also be negative…

Im programming an ANN for controlling minesweepers in a game.

So, is a bias aka threshold-value really a needed part of my ANN?