# Cortical grid cells and Abstract ideas

**URL:** <https://discourse.numenta.org/t/cortical-grid-cells-and-abstract-ideas/4666>\
**Category:** Numenta Theory\
**Created:** [October 4, 2018, 5:55pm UTC](https://discourse.numenta.org/t/cortical-grid-cells-and-abstract-ideas/4666 "2018-10-04T17:55:31Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![Bitking](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.numenta.org/bitking/32/3099_2.png) [@Bitking](https://discourse.numenta.org/u/Bitking)\
**Post date:** [October 4, 2018, 10:41pm UTC](https://discourse.numenta.org/t/cortical-grid-cells-and-abstract-ideas/4666/7 "2018-10-04T22:41:05Z")

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> [@UW Subutai Presentation Slides](https://discourse.numenta.org/t/uw-subutai-presentation-slides/4662/7):
>
> abstract like danger, attractiveness, reliability

These are emotional coloring that are added to whatever objects that are being coded. This is clearly a sub-cortical contribution and not an inherent function of cortical processing. The cortex remembers the results of this processing but does not generate it by itself.

I have outlined how I think this works numerous places elsewhere on the forum:

_This one touches on the emotional weighting in particular._

> [@HTM School 14: Grid Cells](https://discourse.numenta.org/t/htm-school-14-grid-cells/3646/51):
>
> My take is that the hippocampus remembers the key features of your experience; the most processed version of the day’s events. At night, during REM sleep, the contents of the hippocampus is replayed reinforcing the memories of the day. Some hippocampus factoids in no particular order: The hippocampus seems to hold about 1 days worth of experience before saturating. Symptoms of saturation include discomfort and hallucinations. From a system approach - the buffered events of the day allow the a…

_Look at this one and note the reference to “Elliot” in the Rita Carter book:_

> [@Symbolic semantics might be an accessory rather than a necessity](https://discourse.numenta.org/t/symbolic-semantics-might-be-an-accessory-rather-than-a-necessity/3676/17):
>
> I get this from passing references in many texts. When people talk about the amygdala they seem to imply that you have to be running for your life in abject fear or be screaming angry to be considered an emotional memory. What is missed is subtle shading of all memory consolidation - when something is just a little good or a little bad. As the semantic categories are formed the coloring allows you to choose between different choices as the relative “goodness” or “badness” of things is part of t…

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