PTSD in the Brain, Dopamine Decisions, Love Body Connection
Curiosity Weekly
Warner Bros. Discovery
4.6 • 963 Ratings
🗓️ 10 November 2023
⏱️ 12 minutes
🧾️ Download transcript
Summary
Today, you’ll learn about the brain mechanisms behind mechanisms behind post traumatic stress disorder, new insights into the effects of dopamine, and where love exists in our bodies.
PTSD in the Brain
- “Posttraumatic brain activity predicts resilience to PTSD.” EurekAlert! 2023.
- “Greater Early Post-Traumatic Activation in Right Inferior Frontal Gyrus Predicts Recovery From Posttraumatic Stress Disorder Symptoms.” by Jony Sheynin, et al. 2023.
Dopamine Decisions
- “Dopamine regulates decision thresholds in human reinforcement learning in males.” by Karima Chakroun, et al. 2023.
- “Dopamine regulates how quickly and accurately decisions are made.” ScienceDaily. 2023.
- “Dopamine affects how brain decides whether a goal is worth the effort.” NIH. 2020.
Love Body Connection
- “Where do we feel love?” n.a. 2023.
- “What is love?” by Gary Karantzas. 2020.
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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. |
| 0:08.8 | Time flies when you're learning super cool stuff. I'm Nate. |
| 0:11.6 | And I'm Callie. If you're dropping in for the first time |
| 0:13.8 | welcome to curiosity where we am to blow your mind by helping you to grow your mind. |
| 0:17.4 | If you're a loyal listener, welcome back. Today you'll learn about the brain |
| 0:20.8 | mechanisms behind post-traumatic stress disorder, new insights into |
| 0:24.8 | the effects of dopamine, and where love exists in our bodies. |
| 0:29.5 | Without further ado, let's satisfy some curiosity. Most people will experience some form of trauma in their lives, unfortunately. |
| 0:37.0 | As safe as we can make our worlds, we just can't eliminate all dangers. |
| 0:41.0 | But research has found that while most people who experience trauma recover without any problems, about 40% of trauma survivors will experience some form of post-traumatic stress disorder in the immediate aftermath of the event. |
| 0:52.0 | Now we've talked about PTSD before. |
| 0:54.0 | It seems like there's a ton of new research being done to try and hone in on treatments and therapies, right? |
| 0:58.0 | Totally. |
| 0:59.0 | Because while most of those 40% of survivors will make a full recovery, by some counts between 2 and 10% of trauma survivors |
| 1:07.4 | will establish full-blown PTSD that will linger with them sometimes for years. |
| 1:11.7 | And that can mean the total disruption in normal life. |
| 1:14.4 | It means symptoms like intrusive thoughts and nightmares, changes in mood and |
| 1:18.6 | thinking, or always being on edge or easily startled. Okay, so why are some people more affected by it than others? |
| 1:25.7 | You said that most people will recover after traumatic events. |
| 1:28.5 | Why is that? |
| 1:29.5 | Well that is what Dr Israel Leibizan at Texas A&M University wanted to know. |
| 1:33.6 | Researchers know that PTSD affects the processing power of the parts of the brain |
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