-
Lec 3 : The Biology of Stress
Fight-or-flight response; General adaptation syndrome; Stress-brain-body pathways; Gender difference in stress response
published: 18 Jan 2021
-
How stress affects your body - Sharon Horesh Bergquist
View full lesson: http://ed.ted.com/lessons/how-stress-affects-your-body-sharon-horesh-bergquist
Our hard-wired stress response is designed to gives us the quick burst of heightened alertness and energy needed to perform our best. But stress isn’t all good. When activated too long or too often, stress can damage virtually every part of our body. Sharon Horesh Bergquist gives us a look at what goes on inside our body when we are chronically stressed.
Lesson by Sharon Horesh Bergquist, animation by Adriatic Animation.
published: 22 Oct 2015
-
How stress affects your brain - Madhumita Murgia
Check out our Patreon page: https://www.patreon.com/teded
View full lesson: http://ed.ted.com/lessons/how-stress-affects-your-brain-madhumita-murgia
Stress isn’t always a bad thing; it can be handy for a burst of extra energy and focus, like when you’re playing a competitive sport or have to speak in public. But when it’s continuous, it actually begins to change your brain. Madhumita Murgia shows how chronic stress can affect brain size, its structure, and how it functions, right down to the level of your genes.
Lesson by Madhumita Murgia, animation by Andrew Zimbelman.
published: 09 Nov 2015
-
A2 Biology - Coordinating stress response (OCR A Chapter 14.5)
This video outlines the events coordinated by both the nervous and endocrine systems to respond to a stress signal.
Please like, share and subscribe for more content and comment below to let me know what you think! :)
Facebook: BioRach - A-level Biology Online
https://www.facebook.com/biorachproject/
Twitter: @BioRachProject
https://twitter.com/BioRachProject?lang=zh-tw
If you liked my videos and would like to support me, then I'd really appreciate you buying me a cup of tea or a piece of cake! :D https://www.buymeacoffee.com/biorachproject
Background music:
Jellyfish in Space by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 licence. https://creativecommons.org/licenses/by/4.0/
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1500030
Artist: ...
published: 21 Jan 2021
-
Understanding Stress: Causes, Biology, and How to Become Resilient | Being Well Podcast
On this episode of Being Well, Dr. Rick Hanson and I take a deep dive into defining stress, how it functions, how it impacts our lives and bodies, and what we can do to repair from its effects.
We discuss how to distinguish stress from effort, the influence of the modern world on how stressed we feel, the various biological mechanisms involved in stress, and the challenges presented by chronic exposure to it. Then we consider what we can do to positively respond to our stressors even in the midst of limitations and uncertainty.
Key Topics:
0:00 Introduction
1:50 What is stress exactly?
3:20 Distinguishing stress from effort
7:10 Circles of concern and what we can actually influence
9:30 Zebras and the different levels of allostatic load
15:00 How the Endocrine system and Nervous system r...
published: 04 Apr 2022
-
Responding to stress | Processing the Environment | MCAT | Khan Academy
Created by Ryan Scott Patton.
Watch the next lesson: https://www.khanacademy.org/test-prep/mcat/processing-the-environment/stress/v/physical-effects-of-stress?utm_source=YT&utm_medium=Desc&utm_campaign=mcat
Missed the previous lesson? https://www.khanacademy.org/test-prep/mcat/processing-the-environment/stress/v/stressors?utm_source=YT&utm_medium=Desc&utm_campaign=mcat
MCAT on Khan Academy: Go ahead and practice some passage-based questions!
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to cal...
published: 02 Apr 2014
-
How Stress Affects the Body Animation - Function of Epinephrine and Cortisol Video
During periods of stress, such as preparing to run in a race, the brain signals the adrenal glands to produce epinephrine or "adrenaline". Epinephrine increases the rate in which the heart beats. The increased cardiac output supplies more oxygen to the muscles, putting the body in a heightened state to react. As a longer term response to stress, cortisol is secreted by the adrenal glands, promoting the release of energy.
published: 13 Feb 2019
-
2-Minute Neuroscience: HPA Axis
In this video, I discuss the hypothalamic-pituitary-adrenal, or HPA, axis, which plays an important role in our stress response. I describe the components of the HPA axis (hypothalamus, pituitary gland, adrenal glands) and the hormones released by each of these structures during the stress response.
For an article (on my website) that discusses HPA axis function, click this link: https://neuroscientificallychallenged.com/posts/what-is-the-hpa-axis
TRANSCRIPT:
Welcome to 2 minute neuroscience, where I explain neuroscience topics in 2 minutes or less. In this installment I will discuss the HPA axis.
The hypothalamic-pituitary-adrenal, or HPA, axis is best known for its role in our body’s reaction to stress. The HPA axis includes a group of hormone-secreting glands from the nervous and en...
published: 28 Jul 2018
-
3.2: Biological Perspective of Stress
published: 07 Aug 2015
-
The Stress Response
published: 11 Feb 2021
45:01
Lec 3 : The Biology of Stress
Fight-or-flight response; General adaptation syndrome; Stress-brain-body pathways; Gender difference in stress response
Fight-or-flight response; General adaptation syndrome; Stress-brain-body pathways; Gender difference in stress response
https://wn.com/Lec_3_The_Biology_Of_Stress
Fight-or-flight response; General adaptation syndrome; Stress-brain-body pathways; Gender difference in stress response
- published: 18 Jan 2021
- views: 11315
4:43
How stress affects your body - Sharon Horesh Bergquist
View full lesson: http://ed.ted.com/lessons/how-stress-affects-your-body-sharon-horesh-bergquist
Our hard-wired stress response is designed to gives us the qu...
View full lesson: http://ed.ted.com/lessons/how-stress-affects-your-body-sharon-horesh-bergquist
Our hard-wired stress response is designed to gives us the quick burst of heightened alertness and energy needed to perform our best. But stress isn’t all good. When activated too long or too often, stress can damage virtually every part of our body. Sharon Horesh Bergquist gives us a look at what goes on inside our body when we are chronically stressed.
Lesson by Sharon Horesh Bergquist, animation by Adriatic Animation.
https://wn.com/How_Stress_Affects_Your_Body_Sharon_Horesh_Bergquist
View full lesson: http://ed.ted.com/lessons/how-stress-affects-your-body-sharon-horesh-bergquist
Our hard-wired stress response is designed to gives us the quick burst of heightened alertness and energy needed to perform our best. But stress isn’t all good. When activated too long or too often, stress can damage virtually every part of our body. Sharon Horesh Bergquist gives us a look at what goes on inside our body when we are chronically stressed.
Lesson by Sharon Horesh Bergquist, animation by Adriatic Animation.
- published: 22 Oct 2015
- views: 7776104
4:16
How stress affects your brain - Madhumita Murgia
Check out our Patreon page: https://www.patreon.com/teded
View full lesson: http://ed.ted.com/lessons/how-stress-affects-your-brain-madhumita-murgia
Stress is...
Check out our Patreon page: https://www.patreon.com/teded
View full lesson: http://ed.ted.com/lessons/how-stress-affects-your-brain-madhumita-murgia
Stress isn’t always a bad thing; it can be handy for a burst of extra energy and focus, like when you’re playing a competitive sport or have to speak in public. But when it’s continuous, it actually begins to change your brain. Madhumita Murgia shows how chronic stress can affect brain size, its structure, and how it functions, right down to the level of your genes.
Lesson by Madhumita Murgia, animation by Andrew Zimbelman.
https://wn.com/How_Stress_Affects_Your_Brain_Madhumita_Murgia
Check out our Patreon page: https://www.patreon.com/teded
View full lesson: http://ed.ted.com/lessons/how-stress-affects-your-brain-madhumita-murgia
Stress isn’t always a bad thing; it can be handy for a burst of extra energy and focus, like when you’re playing a competitive sport or have to speak in public. But when it’s continuous, it actually begins to change your brain. Madhumita Murgia shows how chronic stress can affect brain size, its structure, and how it functions, right down to the level of your genes.
Lesson by Madhumita Murgia, animation by Andrew Zimbelman.
- published: 09 Nov 2015
- views: 7633568
4:54
A2 Biology - Coordinating stress response (OCR A Chapter 14.5)
This video outlines the events coordinated by both the nervous and endocrine systems to respond to a stress signal.
Please like, share and subscribe for more c...
This video outlines the events coordinated by both the nervous and endocrine systems to respond to a stress signal.
Please like, share and subscribe for more content and comment below to let me know what you think! :)
Facebook: BioRach - A-level Biology Online
https://www.facebook.com/biorachproject/
Twitter: @BioRachProject
https://twitter.com/BioRachProject?lang=zh-tw
If you liked my videos and would like to support me, then I'd really appreciate you buying me a cup of tea or a piece of cake! :D https://www.buymeacoffee.com/biorachproject
Background music:
Jellyfish in Space by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 licence. https://creativecommons.org/licenses/by/4.0/
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1500030
Artist: http://incompetech.com/
https://wn.com/A2_Biology_Coordinating_Stress_Response_(Ocr_A_Chapter_14.5)
This video outlines the events coordinated by both the nervous and endocrine systems to respond to a stress signal.
Please like, share and subscribe for more content and comment below to let me know what you think! :)
Facebook: BioRach - A-level Biology Online
https://www.facebook.com/biorachproject/
Twitter: @BioRachProject
https://twitter.com/BioRachProject?lang=zh-tw
If you liked my videos and would like to support me, then I'd really appreciate you buying me a cup of tea or a piece of cake! :D https://www.buymeacoffee.com/biorachproject
Background music:
Jellyfish in Space by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 licence. https://creativecommons.org/licenses/by/4.0/
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1500030
Artist: http://incompetech.com/
- published: 21 Jan 2021
- views: 20190
1:04:40
Understanding Stress: Causes, Biology, and How to Become Resilient | Being Well Podcast
On this episode of Being Well, Dr. Rick Hanson and I take a deep dive into defining stress, how it functions, how it impacts our lives and bodies, and what we c...
On this episode of Being Well, Dr. Rick Hanson and I take a deep dive into defining stress, how it functions, how it impacts our lives and bodies, and what we can do to repair from its effects.
We discuss how to distinguish stress from effort, the influence of the modern world on how stressed we feel, the various biological mechanisms involved in stress, and the challenges presented by chronic exposure to it. Then we consider what we can do to positively respond to our stressors even in the midst of limitations and uncertainty.
Key Topics:
0:00 Introduction
1:50 What is stress exactly?
3:20 Distinguishing stress from effort
7:10 Circles of concern and what we can actually influence
9:30 Zebras and the different levels of allostatic load
15:00 How the Endocrine system and Nervous system respond to stress
21:50 The Amygdala response
23:00 What are the costs of stress?
33:54 Summary of everything so far
35:45 How do we positively adapt to stress?
41:00 The influence of basic lifestyle factors
42:40 Questions to ask yourself
45:00 Claiming agency while accepting limitations and uncertainty
50:50 What we can do to repair from the effects of our stress
57:30 Recap
Subscribe to Being Well on:
Apple Podcasts: https://podcasts.apple.com/us/podcast/being-well-with-dr-rick-hanson/id1120885936
Spotify: https://open.spotify.com/show/5d87ZU1XY0fpdYNSEwXLVQ
Who Am I: I'm Forrest, the co-author of Resilient (https://amzn.to/3iXLerD) and host of the Being Well Podcast (https://apple.co/38ufGG0). I'm making videos focused on simplifying psychology, mental health, and personal growth.
You can follow me here:
🎤 https://apple.co/38ufGG0
🌍 https://www.forresthanson.com
📸 https://www.instagram.com/f.hanson
https://wn.com/Understanding_Stress_Causes,_Biology,_And_How_To_Become_Resilient_|_Being_Well_Podcast
On this episode of Being Well, Dr. Rick Hanson and I take a deep dive into defining stress, how it functions, how it impacts our lives and bodies, and what we can do to repair from its effects.
We discuss how to distinguish stress from effort, the influence of the modern world on how stressed we feel, the various biological mechanisms involved in stress, and the challenges presented by chronic exposure to it. Then we consider what we can do to positively respond to our stressors even in the midst of limitations and uncertainty.
Key Topics:
0:00 Introduction
1:50 What is stress exactly?
3:20 Distinguishing stress from effort
7:10 Circles of concern and what we can actually influence
9:30 Zebras and the different levels of allostatic load
15:00 How the Endocrine system and Nervous system respond to stress
21:50 The Amygdala response
23:00 What are the costs of stress?
33:54 Summary of everything so far
35:45 How do we positively adapt to stress?
41:00 The influence of basic lifestyle factors
42:40 Questions to ask yourself
45:00 Claiming agency while accepting limitations and uncertainty
50:50 What we can do to repair from the effects of our stress
57:30 Recap
Subscribe to Being Well on:
Apple Podcasts: https://podcasts.apple.com/us/podcast/being-well-with-dr-rick-hanson/id1120885936
Spotify: https://open.spotify.com/show/5d87ZU1XY0fpdYNSEwXLVQ
Who Am I: I'm Forrest, the co-author of Resilient (https://amzn.to/3iXLerD) and host of the Being Well Podcast (https://apple.co/38ufGG0). I'm making videos focused on simplifying psychology, mental health, and personal growth.
You can follow me here:
🎤 https://apple.co/38ufGG0
🌍 https://www.forresthanson.com
📸 https://www.instagram.com/f.hanson
- published: 04 Apr 2022
- views: 5375
8:46
Responding to stress | Processing the Environment | MCAT | Khan Academy
Created by Ryan Scott Patton.
Watch the next lesson: https://www.khanacademy.org/test-prep/mcat/processing-the-environment/stress/v/physical-effects-of-stress?...
Created by Ryan Scott Patton.
Watch the next lesson: https://www.khanacademy.org/test-prep/mcat/processing-the-environment/stress/v/physical-effects-of-stress?utm_source=YT&utm_medium=Desc&utm_campaign=mcat
Missed the previous lesson? https://www.khanacademy.org/test-prep/mcat/processing-the-environment/stress/v/stressors?utm_source=YT&utm_medium=Desc&utm_campaign=mcat
MCAT on Khan Academy: Go ahead and practice some passage-based questions!
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s MCAT channel: https://www.youtube.com/channel/UCDkK5wqSuwDlJ3_nl3rgdiQ?sub_confirmation=1
Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
https://wn.com/Responding_To_Stress_|_Processing_The_Environment_|_Mcat_|_Khan_Academy
Created by Ryan Scott Patton.
Watch the next lesson: https://www.khanacademy.org/test-prep/mcat/processing-the-environment/stress/v/physical-effects-of-stress?utm_source=YT&utm_medium=Desc&utm_campaign=mcat
Missed the previous lesson? https://www.khanacademy.org/test-prep/mcat/processing-the-environment/stress/v/stressors?utm_source=YT&utm_medium=Desc&utm_campaign=mcat
MCAT on Khan Academy: Go ahead and practice some passage-based questions!
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s MCAT channel: https://www.youtube.com/channel/UCDkK5wqSuwDlJ3_nl3rgdiQ?sub_confirmation=1
Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
- published: 02 Apr 2014
- views: 355189
0:34
How Stress Affects the Body Animation - Function of Epinephrine and Cortisol Video
During periods of stress, such as preparing to run in a race, the brain signals the adrenal glands to produce epinephrine or "adrenaline". Epinephrine increases...
During periods of stress, such as preparing to run in a race, the brain signals the adrenal glands to produce epinephrine or "adrenaline". Epinephrine increases the rate in which the heart beats. The increased cardiac output supplies more oxygen to the muscles, putting the body in a heightened state to react. As a longer term response to stress, cortisol is secreted by the adrenal glands, promoting the release of energy.
https://wn.com/How_Stress_Affects_The_Body_Animation_Function_Of_Epinephrine_And_Cortisol_Video
During periods of stress, such as preparing to run in a race, the brain signals the adrenal glands to produce epinephrine or "adrenaline". Epinephrine increases the rate in which the heart beats. The increased cardiac output supplies more oxygen to the muscles, putting the body in a heightened state to react. As a longer term response to stress, cortisol is secreted by the adrenal glands, promoting the release of energy.
- published: 13 Feb 2019
- views: 98696
1:55
2-Minute Neuroscience: HPA Axis
In this video, I discuss the hypothalamic-pituitary-adrenal, or HPA, axis, which plays an important role in our stress response. I describe the components of th...
In this video, I discuss the hypothalamic-pituitary-adrenal, or HPA, axis, which plays an important role in our stress response. I describe the components of the HPA axis (hypothalamus, pituitary gland, adrenal glands) and the hormones released by each of these structures during the stress response.
For an article (on my website) that discusses HPA axis function, click this link: https://neuroscientificallychallenged.com/posts/what-is-the-hpa-axis
TRANSCRIPT:
Welcome to 2 minute neuroscience, where I explain neuroscience topics in 2 minutes or less. In this installment I will discuss the HPA axis.
The hypothalamic-pituitary-adrenal, or HPA, axis is best known for its role in our body’s reaction to stress. The HPA axis includes a group of hormone-secreting glands from the nervous and endocrine systems: the hypothalamus, pituitary gland, and adrenal glands. The hypothalamus is a small neuroendocrine structure situated just above the brainstem that controls the release of hormones from the pituitary gland, a hormone-secreting gland that sits just below the hypothalamus. The pituitary gland can release hormones into the bloodstream to reach a variety of targets. In the case of the HPA axis, hormones released from the pituitary gland travel down to the kidneys and influence the secretion of hormones from endocrine glands called the adrenal glands, which sit on top of the kidneys.
The primary function of the HPA axis is to regulate the stress response. When we experience something stressful, the hypothalamus releases a hormone called corticotropin-releasing hormone (or CRH). CRH signals the pituitary gland to secrete a hormone called adrenocorticotropic hormone, or ACTH into the bloodstream. ACTH travels down to the adrenal glands where it prompts the release of a hormone called cortisol from the cortex, or outer layer, of the adrenal glands. The release of cortisol causes a number of changes that help the body to deal with stress. For example, it helps to mobilize energy like glucose so the body has enough energy to cope with a prolonged stressor. When cortisol levels in the blood get high, this is sensed by receptors in areas of the brain like the hypothalamus and hippocampus, which leads to the shutting off of the stress response through what is known as a negative feedback mechanism.
References:
Tasker JG, Herman JP. Mechanisms of rapid glucocorticoid feedback inhibition of the hypothalamic-pituitary-adrenal axis. Stress. 2011 Jul;14(4):398-406. doi: 10.3109/10253890.2011.586446.
Thiel KJ, Dretsch MN. Basics of the Stress Response. In: Conrad CD, ed. The Handbook of Stress: Neuropsychological Effects on the Brain. Malden, MA: Wiley-Blackwell; 2011: 1-28.
Vedder H. Physiology of the Hypothalamic-Pituitary-Adrenocortical Axis. Neuroimmune Biology. 2007. Jul;7:17-31.
https://wn.com/2_Minute_Neuroscience_Hpa_Axis
In this video, I discuss the hypothalamic-pituitary-adrenal, or HPA, axis, which plays an important role in our stress response. I describe the components of the HPA axis (hypothalamus, pituitary gland, adrenal glands) and the hormones released by each of these structures during the stress response.
For an article (on my website) that discusses HPA axis function, click this link: https://neuroscientificallychallenged.com/posts/what-is-the-hpa-axis
TRANSCRIPT:
Welcome to 2 minute neuroscience, where I explain neuroscience topics in 2 minutes or less. In this installment I will discuss the HPA axis.
The hypothalamic-pituitary-adrenal, or HPA, axis is best known for its role in our body’s reaction to stress. The HPA axis includes a group of hormone-secreting glands from the nervous and endocrine systems: the hypothalamus, pituitary gland, and adrenal glands. The hypothalamus is a small neuroendocrine structure situated just above the brainstem that controls the release of hormones from the pituitary gland, a hormone-secreting gland that sits just below the hypothalamus. The pituitary gland can release hormones into the bloodstream to reach a variety of targets. In the case of the HPA axis, hormones released from the pituitary gland travel down to the kidneys and influence the secretion of hormones from endocrine glands called the adrenal glands, which sit on top of the kidneys.
The primary function of the HPA axis is to regulate the stress response. When we experience something stressful, the hypothalamus releases a hormone called corticotropin-releasing hormone (or CRH). CRH signals the pituitary gland to secrete a hormone called adrenocorticotropic hormone, or ACTH into the bloodstream. ACTH travels down to the adrenal glands where it prompts the release of a hormone called cortisol from the cortex, or outer layer, of the adrenal glands. The release of cortisol causes a number of changes that help the body to deal with stress. For example, it helps to mobilize energy like glucose so the body has enough energy to cope with a prolonged stressor. When cortisol levels in the blood get high, this is sensed by receptors in areas of the brain like the hypothalamus and hippocampus, which leads to the shutting off of the stress response through what is known as a negative feedback mechanism.
References:
Tasker JG, Herman JP. Mechanisms of rapid glucocorticoid feedback inhibition of the hypothalamic-pituitary-adrenal axis. Stress. 2011 Jul;14(4):398-406. doi: 10.3109/10253890.2011.586446.
Thiel KJ, Dretsch MN. Basics of the Stress Response. In: Conrad CD, ed. The Handbook of Stress: Neuropsychological Effects on the Brain. Malden, MA: Wiley-Blackwell; 2011: 1-28.
Vedder H. Physiology of the Hypothalamic-Pituitary-Adrenocortical Axis. Neuroimmune Biology. 2007. Jul;7:17-31.
- published: 28 Jul 2018
- views: 588864