# Probe pattern for V4 neurons

**URL:** <https://discourse.numenta.org/t/probe-pattern-for-v4-neurons/5956>\
**Category:** Lounge\
**Created:** [May 4, 2019, 8:53pm UTC](https://discourse.numenta.org/t/probe-pattern-for-v4-neurons/5956 "2019-05-04T20:53:22Z")\
**Posts on this page:** 2\
**Page:** 1

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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:** [May 4, 2019, 8:53pm UTC](https://discourse.numenta.org/t/probe-pattern-for-v4-neurons/5956/1 "2019-05-04T20:53:22Z")

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This pattern induces predictable and repeatable activity deep in the brain.  
Yes, they know what you are seeing when you look at this.

 ![large](https://canada1.discourse-cdn.com/flex030/uploads/numenta/original/2X/c/c65702d930519655ce32925483d7fcc11c661b56.jpeg)

From this paper:

> **[Neural population control via deep image synthesis](https://science.sciencemag.org/content/364/6439/eaav9436)**
>
> To what extent are predictive deep learning models of neural responses useful for generating experimental hypotheses? Bashivan et al. took an artificial neural network built to model the behavior of the target visual system and used it to construct...

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**Author:** ![rhyolight](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.numenta.org/rhyolight/32/3922_2.png) [@rhyolight](https://discourse.numenta.org/u/rhyolight)\
**Post date:** [May 6, 2019, 3:41pm UTC](https://discourse.numenta.org/t/probe-pattern-for-v4-neurons/5956/2 "2019-05-06T15:41:58Z")

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This is really interesting and it doesn’t surprise me at all. The Thousand Brains Theory would posit this “predictable and repeatable activity” would also be seen in V1, V2, and V3.

https://player.twitch.tv/?video=v421325090&autoplay=false