Brain Rewiring, Rat Imagination, Dogs & PTSD
Curiosity Weekly
Warner Bros. Discovery
4.6 • 935 Ratings
🗓️ 12 January 2024
⏱️ 13 minutes
🧾️ Download transcript
Summary
Today, you’ll learn about the brain’s ability - or inability - to rewire itself, the imagination of rats, and how dogs can have a positive effect on those suffering from PTSD.
Brain Rewiring
- “Our brains are not able to ‘rewire’ themselves, despite what most scientists believe, new study argues.” University of Cambridge. 2023.
- “Against cortical reorganisation.” by Tamar R. Makin & John W. Krakauer. 2023.
Rat Imagination
- “Rats have an imagination, new research finds.” EurekAlert! 2023.
- “Volitional activation of remote place representations with a hippocampal brain-machine interface.” by Chongxi Lai, et al. 2023.
Dogs & PTSD
- “Contact with a service dog might help individuals with PTSD sleep better, study finds.” by Vladimir Hedrih. 2023.
- “Paws for Purple Hearts - Service Dogs for our Warriors.” Website. 2023.
- “Heart rate during sleep in PTSD patients: Moderation by contact with a service dog.” by Steven H. Woodward, et al. 2023.
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Transcript
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| 0:00.0 | Hi, you're about to get smarter in just a few minutes with Curiosity Daily from Discovery. |
| 0:09.0 | Time flies when you're learning super cool stuff. |
| 0:11.0 | I'm Nate. |
| 0:12.0 | And I'm Callie. If you're dropping in for the first time, |
| 0:13.7 | welcome to curiosity where we aim to blow your mind by helping you to grow your mind. |
| 0:17.0 | If you're a loyal listener, welcome back. Today you'll learn about the brain's ability |
| 0:21.0 | or inability to rewire itself. The imagination. the imagination of rats and |
| 0:25.0 | of rats and how dogs can have a positive effect on those suffering from |
| 0:29.4 | PTSD. |
| 0:30.4 | Without further ado, let's satisfy some curiosity. |
| 0:34.0 | We've all heard stories about the miracles of our adaptive brains, |
| 0:37.0 | like how someone loses their eyesight and their brain sort of rewires itself to allow them to eglocate. |
| 0:42.0 | Totally, they can basically follow the sounds as they bounce off of objects in front of them, right? |
| 0:46.1 | Exactly. The idea is that the area of the brain that was once responsible for sight repurposed |
| 0:51.0 | itself to this new function. There are stories of stroke patients who have lost mobility in one of their limbs, |
| 0:56.2 | but their brain builds new pathways to compensate. |
| 0:59.2 | Is that an example of this repurposing? |
| 1:01.6 | That is right. Anytime a new ability arises out of some kind of injury or trauma |
| 1:06.0 | Researchers have chalked it up to this magical rewiring of the brain circuitry |
| 1:10.0 | but a new study is demystifying that magic |
| 1:12.0 | Okay, so I know that anytime But a new study is demystifying that magic. |
| 1:12.6 | Okay, so I know that anytime someone shocks something up to magic, |
... |
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