# 2025/11 - Cortical Columns Across Species **URL:** \ **Category:** Video Discussions\ **Tags:** review-video\ **Created:** [February 3, 2026, 8:25pm UTC](https://forum.thousandbrains.org/t/2025-11-cortical-columns-across-species/996 "2026-02-03T20:25:08Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![brainwaves](https://yyz2.discourse-cdn.com/flex034/user_avatar/forum.thousandbrains.org/brainwaves/32/3_2.png) [@brainwaves](https://forum.thousandbrains.org/u/brainwaves)\ **Post date:** [February 3, 2026, 8:25pm UTC](https://forum.thousandbrains.org/t/2025-11-cortical-columns-across-species/996/1 "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 differences, they’re differences in experience and ecological demands. ## Summary Video [![](https://canada1.discourse-cdn.com/flex034/uploads/thousandbrains/original/2X/5/56998fa7805dcc7bfb80647847f09a980e1b29a7.jpeg "Summary - Cortical Columns Across Species #neuroscience") ](https://www.youtube.com/watch?v=vvMYzbYUJGg) ## Main Video [00:00](https://www.youtube.com/watch?v=cAUa4cYdN4I) Cortical Columns Across Species [07:36](https://www.youtube.com/watch?v=cAUa4cYdN4I&t=456s) Pyramidal Cell Morphology and Dendritic Scaling [14:47](https://www.youtube.com/watch?v=cAUa4cYdN4I&t=887s) How Many Synapses on a Pyramidal Cell? [19:57](https://www.youtube.com/watch?v=cAUa4cYdN4I&t=1197s) Visual Acuity Scales with the Size of V1 [21:17](https://www.youtube.com/watch?v=cAUa4cYdN4I&t=1277s) Does Dendritic Scaling Correlate to More Neurons? [25:31](https://www.youtube.com/watch?v=cAUa4cYdN4I&t=1531s) Species Differences in Minicolumns [![](https://canada1.discourse-cdn.com/flex034/uploads/thousandbrains/original/2X/5/52268cd58084c930838cf04deb89c437d7a54296.jpeg "2025/11 - Cortical Columns Across Species") ](https://www.youtube.com/watch?v=cAUa4cYdN4I)