# Predictions

**URL:** <https://discourse.numenta.org/t/predictions/4317>\
**Category:** Lounge\
**Created:** [August 7, 2018, 3:57pm UTC](https://discourse.numenta.org/t/predictions/4317 "2018-08-07T15:57:00Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![EdPell3](https://avatars.discourse-cdn.com/v4/letter/e/82dd89/32.png) [@EdPell3](https://discourse.numenta.org/u/EdPell3)\
**Post date:** [August 7, 2018, 3:57pm UTC](https://discourse.numenta.org/t/predictions/4317/1 "2018-08-07T15:57:01Z")

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How are predictions sent down the hierarchy? Be it in HTM or DNN or brains.

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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:** [August 7, 2018, 4:11pm UTC](https://discourse.numenta.org/t/predictions/4317/2 "2018-08-07T16:11:30Z")

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The “three visual streams” paper details how the thalamus (pulvinar for the visual system) carries out a predictive feedback system.

The paper is based on the DeepLeabra model and is worth a good look; it does not do a very good job explaining DeepLeabra but there are good papers on this with a little googling.

> [@Deep Predictive Learning: A Comprehensive Model of Three Visual Streams](https://discourse.numenta.org/t/deep-predictive-learning-a-comprehensive-model-of-three-visual-streams/3076):
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> A very recent competing / complementary model of deep predictive coding in the brain. O’Reilly, Randall C., Dean R. Wyatte, and John Rohrlich. "Deep Predictive Learning: A Comprehensive Model of Three Visual Streams." Abstract: How does the neocortex learn and develop the foundations of all our high-level cognitive abilities? We present a comprehensive framework spanning biological, computational, and cognitive levels, with a clear theoretical continuity between levels, providing a coherent…

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**Author:** ![Ed\_Pell](https://avatars.discourse-cdn.com/v4/letter/e/6bbea6/32.png) [@Ed\_Pell](https://discourse.numenta.org/u/Ed_Pell)\
**Post date:** [August 8, 2018, 12:15pm UTC](https://discourse.numenta.org/t/predictions/4317/3 "2018-08-08T12:15:08Z")

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Thanks Bitking, this is helpful.