# \#review-video **URL:** https://forum.thousandbrains.org/tag/review-video/4.md [Latest](https://forum.thousandbrains.org/latest.md) · [Categories](https://forum.thousandbrains.org/categories.md) · [Tags](https://forum.thousandbrains.org/tags.md) --- ## [07/2026 - FENS Conference Recap](https://forum.thousandbrains.org/t/07-2026-fens-conference-recap/1174)
**Author:** [@TBP-Announcements](https://forum.thousandbrains.org/u/TBP-Announcements)\ **Replies:** 1\ **Last updated:** [August 20, 2026, 9:59pm UTC](https://forum.thousandbrains.org/t/07-2026-fens-conference-recap/1174 "2026-08-20T21:59:01Z")
@tslominski shares highlights from the FENS conference. He covers a few interesting bits of neuroscience research he came across, relevant to spatial representation and sensorimotor processing. Some topics discussed incl… --- ## [2026/07 - Q3 Roadmap and Q2 Review](https://forum.thousandbrains.org/t/2026-07-q3-roadmap-and-q2-review/1159)
**Author:** [@TBP-Announcements](https://forum.thousandbrains.org/u/TBP-Announcements)\ **Replies:** 0\ **Last updated:** [July 14, 2026, 3:50pm UTC](https://forum.thousandbrains.org/t/2026-07-q3-roadmap-and-q2-review/1159 "2026-07-14T15:50:23Z")
@vclay reviews the Thousand Brain’s progress in Q2 2026 and outlines the team’s priorities for Q3. This update covers research advances, including integrating the saliency policy and 2D Sensor Module into Monty, combini… --- ## [2026/04 - Q2 Roadmap and Q1 Review](https://forum.thousandbrains.org/t/2026-04-q2-roadmap-and-q1-review/1066)
**Author:** [@TBP-Announcements](https://forum.thousandbrains.org/u/TBP-Announcements)\ **Replies:** 0\ **Last updated:** [April 17, 2026, 2:27pm UTC](https://forum.thousandbrains.org/t/2026-04-q2-roadmap-and-q1-review/1066 "2026-04-17T14:27:16Z")
@vclay shares a review of the Thousand Brains Project’s progress in Q1 2026 and what’s coming next. The Q1 review covers key updates like welcoming a new Staff Software Engineer, hiring an awesome video editor, improvin… --- ## [2025/08 - Review of Time Cells and Matrix Cells](https://forum.thousandbrains.org/t/2025-08-review-of-time-cells-and-matrix-cells/1044)
**Author:** [@TBP-Announcements](https://forum.thousandbrains.org/u/TBP-Announcements)\ **Replies:** 0\ **Last updated:** [April 2, 2026, 2:57pm UTC](https://forum.thousandbrains.org/t/2025-08-review-of-time-cells-and-matrix-cells/1044 "2026-04-02T14:57:36Z")
@vclay and @sknudstrup review research on matrix cells and time cells. We discuss various papers and their computational implications for how the brain might be representing and processing time. We also talk about resear… --- ## [2026/01 - Brainstorming How to Demonstrate Benefits of Compositional Models](https://forum.thousandbrains.org/t/2026-01-brainstorming-how-to-demonstrate-benefits-of-compositional-models/1029)
**Author:** [@TBP-Announcements](https://forum.thousandbrains.org/u/TBP-Announcements)\ **Replies:** 2\ **Last updated:** [March 20, 2026, 8:39am UTC](https://forum.thousandbrains.org/t/2026-01-brainstorming-how-to-demonstrate-benefits-of-compositional-models/1029 "2026-03-20T08:39:09Z")
The team discusses how we should communicate our work on compositional models. We try to answer whether we should publish a paper on this topic or focus our time more on further development of Monty. We also discuss pote… --- ## [2025/11 - Cortical Columns Across Species](https://forum.thousandbrains.org/t/2025-11-cortical-columns-across-species/996)
**Author:** [@brainwaves](https://forum.thousandbrains.org/u/brainwaves)\ **Replies:** 0\ **Last updated:** [February 3, 2026, 8:25pm UTC](https://forum.thousandbrains.org/t/2025-11-cortical-columns-across-species/996 "2026-02-03T20:25:08Z")
@sknudstrup presents a review of the differences in columns, synapses and synaptic density across species of mammals. Acknowledging that there are differences, the team concludes that these are likely not functional diff… --- ## [2026/01 - 2025 Review / 2026 Direction & Goals](https://forum.thousandbrains.org/t/2026-01-2025-review-2026-direction-goals/936)
**Author:** [@brainwaves](https://forum.thousandbrains.org/u/brainwaves)\ **Replies:** 0\ **Last updated:** [January 9, 2026, 4:32pm UTC](https://forum.thousandbrains.org/t/2026-01-2025-review-2026-direction-goals/936 "2026-01-09T16:32:08Z")
@vclay reviews the accomplishments of 2025, including the Thousand Brains Project’s transition to a non-profit, a charitable entity, the launch of our new website, academic collaborations, the release of two significant … --- ## [2022/02 - Neural Descriptor Field and Vector Neuron Papers](https://forum.thousandbrains.org/t/2022-02-neural-descriptor-field-and-vector-neuron-papers/902)
**Author:** [@brainwaves](https://forum.thousandbrains.org/u/brainwaves)\ **Replies:** 0\ **Last updated:** [December 23, 2025, 6:01pm UTC](https://forum.thousandbrains.org/t/2022-02-neural-descriptor-field-and-vector-neuron-papers/902 "2025-12-23T18:01:44Z")
A review video from our archives where @Subutai gives a summary of the two papers presented on Machine Learning Reading Group. The first “Vector Neurons” and the second “Neural Descriptor Field” (links to the papers bel… --- ## [2025/01 - Depth Perception from Parallax](https://forum.thousandbrains.org/t/2025-01-depth-perception-from-parallax/463)
**Author:** [@brainwaves](https://forum.thousandbrains.org/u/brainwaves)\ **Replies:** 3\ **Last updated:** [December 19, 2025, 7:35pm UTC](https://forum.thousandbrains.org/t/2025-01-depth-perception-from-parallax/463 "2025-12-19T19:35:51Z")
@nleadholm presents a broad summary of the connection between parallax, binocular disparity, and depth perception, including how disparity for fine-depth is combined with sensorimotor cues of coarse depth. Hojae gives a … --- ## [2025/02 - Cortical Circuit Overview](https://forum.thousandbrains.org/t/2025-02-cortical-circuit-overview/476)
**Author:** [@brainwaves](https://forum.thousandbrains.org/u/brainwaves)\ **Replies:** 5\ **Last updated:** [August 3, 2025, 4:29pm UTC](https://forum.thousandbrains.org/t/2025-02-cortical-circuit-overview/476 "2025-08-03T16:29:22Z")
Jeff gives an overview of our current understanding of the cortical column microcircuit and associated brain systems. This was recorded during our February, ‘25 Retreat. --- ## [2022/02 - "Sorting Out Lipschitz Function Approximation" Paper Review](https://forum.thousandbrains.org/t/2022-02-sorting-out-lipschitz-function-approximation-paper-review/591)
**Author:** [@brainwaves](https://forum.thousandbrains.org/u/brainwaves)\ **Replies:** 0\ **Last updated:** [April 28, 2025, 8:47pm UTC](https://forum.thousandbrains.org/t/2022-02-sorting-out-lipschitz-function-approximation-paper-review/591 "2025-04-28T20:47:53Z")
Ben from Numenta discusses the paper “Sorting Out Lipschitz Function Approximation” by Cem Anil et al. He explored the idea of reducing generalization error and increasing adversarial robustness in the paper. … --- ## [2024/07 - Review of Biological Learning Rules](https://forum.thousandbrains.org/t/2024-07-review-of-biological-learning-rules/421)
**Author:** [@brainwaves](https://forum.thousandbrains.org/u/brainwaves)\ **Replies:** 0\ **Last updated:** [January 30, 2025, 8:04pm UTC](https://forum.thousandbrains.org/t/2024-07-review-of-biological-learning-rules/421 "2025-01-30T20:04:20Z")
@nleadholm presents a review of learning rules in biological neurons and deep learning neurons with a focus on Hebbian learning, spike timing dependent plasticity (STDP) and HTM neurons. --- ## [2024/10 - Literature Review of 6DoF Object and Pose Estimation](https://forum.thousandbrains.org/t/2024-10-literature-review-of-6dof-object-and-pose-estimation/504)
**Author:** [@brainwaves](https://forum.thousandbrains.org/u/brainwaves)\ **Replies:** 0\ **Last updated:** [March 20, 2025, 9:54pm UTC](https://forum.thousandbrains.org/t/2024-10-literature-review-of-6dof-object-and-pose-estimation/504 "2025-03-20T21:54:23Z")
@hlee presents thoughts around a possible demo for the Monty system and a review of other SOTA vision AI systems that we may compare against in an upcoming paper. --- ## [2024/08 - Review of Interneurons](https://forum.thousandbrains.org/t/2024-08-review-of-interneurons/429)
**Author:** [@brainwaves](https://forum.thousandbrains.org/u/brainwaves)\ **Replies:** 1\ **Last updated:** [February 14, 2025, 6:36pm UTC](https://forum.thousandbrains.org/t/2024-08-review-of-interneurons/429 "2025-02-14T18:36:57Z")
@jhawkins reviews “Interneurons of the neocortical inhibitory system” by Makram et. Al. (2004), a discussion around the role of inhibitory neurons in the Thousand Brains Theory. --- ## [2022/03 - Scale Invariance in the Brain](https://forum.thousandbrains.org/t/2022-03-scale-invariance-in-the-brain/362)
**Author:** [@brainwaves](https://forum.thousandbrains.org/u/brainwaves)\ **Replies:** 1\ **Last updated:** [January 7, 2025, 1:48am UTC](https://forum.thousandbrains.org/t/2022-03-scale-invariance-in-the-brain/362 "2025-01-07T01:48:36Z")
Jeff presents an idea of how grid cells and theta cycles in the brain help us quickly and adjust our sense of scale when observing objects at different sizes. He suggests that phase shifts in theta oscillations provide t… --- ## [2023/03 - Monty Compared to Transformers](https://forum.thousandbrains.org/t/2023-03-monty-compared-to-transformers/304)
**Author:** [@brainwaves](https://forum.thousandbrains.org/u/brainwaves)\ **Replies:** 0\ **Last updated:** [December 12, 2024, 10:23pm UTC](https://forum.thousandbrains.org/t/2023-03-monty-compared-to-transformers/304 "2024-12-12T22:23:05Z")
@nleadholm compares Transformers and Monty implementation circa 2023, focusing on Self-Attention and Voting. It also briefly compares Self-Attention and Reference Frames. After a short overview of embodied … --- ## [2021/12 - Review of Current State of Reinforcement Learning and Robotics](https://forum.thousandbrains.org/t/2021-12-review-of-current-state-of-reinforcement-learning-and-robotics/100)
**Author:** [@brainwaves](https://forum.thousandbrains.org/u/brainwaves)\ **Replies:** 1\ **Last updated:** [November 7, 2024, 8:30pm UTC](https://forum.thousandbrains.org/t/2021-12-review-of-current-state-of-reinforcement-learning-and-robotics/100 "2024-11-07T20:30:54Z")
Viviane Clay provides an overview of reinforcement learning principles and their application to robotics, addressing sensorimotor learning, Markov decision processes, and both value-based and policy-based m…