Explain best what happens to the brain at the organ and cellular level when someone is exposed to chronic or acute stress. In your discussion, make sure to include changes in synaptic transmission. How ischemia affects the human brain.
Added by Shawna B.
Step 1
At the organ level, the hypothalamic-pituitary-adrenal (HPA) axis is activated, leading to the release of stress hormones such as cortisol. This can result in structural changes in the brain, particularly in the hippocampus and prefrontal cortex, which are regions Show more…
Show all steps
Your feedback will help us improve your experience
Rupsa Sarkar and 62 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
What does the medullary ischemic reflex result in? Increased circulation to the brain Reduced circulation to the brain Ischemia of the medulla oblongata Increased circulation to the adrenal medulla Hormone secretion by the adrenal medulla when perfusion drops
Rupsa S.
If a person had a brainstem tumor whereby neurons were being destroyed and if that person manifested very long and deep inspirations, what part of the brain is being damaged?
Adi S.
During times of stress, Yanira notices that her heart pounds a little faster than normal. What part of the brain is responsible for her increased heart rate? Brain stem Cerebellum Frontal lobe. Occipital lobe
Farhan A.
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD