# 52. Manipulation of Memory
## 52.5. Methodology/Refinements/Sub-species
### 52.5.26. Positivity effect
This is the tendency of older adults to favour positive information over negative information in their memories. It is related to the phenomena of
> - "[[Rosy Retrospection]]"
> - "[[Reminiscence Bump]]"
Advertisers take advantage of this to portray images of idyllic childhood scenes in order to sell their products to adults. Other manipulators appeal to this bias to convince victims of the joys of a previous era or of "a more ordered and happy world" when trying to deliver conservative manipulative payloads.