Re-release: Brain Rewiring, Rat Imagination, Dogs & PTSD

Curiosity Weekly

Warner Bros. Discovery

Self-improvement, Science, Astronomy, Education

4.6 • 935 Ratings

🗓️ 6 December 2024

⏱️ 13 minutes

🔗️ Recording | iTunes | RSS

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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	Hello, it's Janice from Warner Brothers Discovery.
0:03.7	Curiosity Daily's success over the years means there's an amazing archive to pull from.
0:08.3	Take a listen to this episode from a few months ago and impress your friends with some fun facts afterward.
0:13.7	The show will be back before you know it.
0:20.6	Hi, you're about to get smarter in just a few minutes with Curiosity Daily from Discovery.
0:25.2	Time flies when you're learning super cool stuff. I'm Nate.
0:28.0	And I'm Callie. If you're dropping in for the first time, welcome to Curiosity, where we aim to blow your mind by helping you to grow your mind.
0:33.8	If you're a loyal listener, welcome back.
0:35.7	Today, you'll learn about the brain's ability or
0:37.8	inability to rewire itself, the imagination of rats, and how dogs can have a positive effect
0:44.8	on those suffering from PTSD. Without further ado, let's satisfy some curiosity. We've all heard
0:51.1	stories about the miracles of our adaptive brains, like how someone loses their eyesight and their brain sort of rewires itself to allow them to eclocate.
0:58.5	Totally. They can basically, you know, follow the sounds as they bounce off of objects in front of them, right?
1:03.0	Exactly. The idea is that the area of the brain that was once responsible for sight repurposed itself to this new function.
1:09.0	There are stories of stroke patients who have lost mobility
1:11.9	in one of their limbs, but their brain builds new pathways to compensate. Is that an example of this
1:17.0	repurposing? That is right. Anytime a new ability arises out of some kind of injury or trauma,
1:22.5	researchers have chalked it up to this magical rewiring of the brain circuitry, but a new study
1:27.0	is demystifying that magic.
1:29.0	Okay, so I know that anytime someone chalks something up to magic, somewhere a scientist
1:34.2	gets a migraine and rolls their eyes. But are you saying that these new abilities don't actually
1:39.5	exist? People aren't actually echolocating? I mean, I thought that had been proven.
	...

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