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Doctor insights on: Brain Structures And Functions Worksheet

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Dr. Bennett Machanic
Board Certified, Neurology
46 years in practice
47M people helped
1

1
Whats the brain structure like for a person with normal memory loss vs a memory loss disorder?

Whats the brain structure like for a person with normal memory loss vs a memory loss disorder?

Atrophy: Various areas of the brain will shrink, or atrophy, with progressive memory disorders, and the patterns can assist with clinical diagnosis. Although normal aging is associated with gradual atrophy, this is far less than alzheimer's. Atrophy, either focal or diffuse, can be present in younger patients following a brain injury, or multiple sclerosis. ...Read more

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Dr. Vicken Poochikian
Board Certified
36 years in practice
2M people helped
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Cerebrum (Definition)

Cerebrum essentially refers to the majority of the brain. Embryologically, it develops from the telencephalon, and together with the diencephalon, ...Read more


Dr. Alan Ali
Board Certified, Psychiatry
26 years in practice
176M people helped
2
Dr. Vicken Poochikian
Board Certified
36 years in practice
2M people helped
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Dr. Kalyn Diamond
Board Certified, Clinical Psychology
8 years in practice
196K people helped
3

3
What is the difference in brain structure of someone with a memory loss disorder?

What is the difference in brain structure of someone with a memory loss disorder?

It depends: It really depends on the reason for the memory loss. Different pathologies have different brain structure changes. And some people with the same diagnosis (i.e., vascular dementia) might have different areas of their brain affected. ...Read more

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Dr. Matthew Kozminski
Board Certified, Neurology
10 years in practice
603K people helped
4
Dr. Vicken Poochikian
Board Certified
36 years in practice
2M people helped
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Dr. Donald Jacobson
Board Certified, Psychiatry
34 years in practice
17M people helped
5

5
Is it true that methylphenidate can cause changes in the brain like neurons structure after long term use (years)?

Is it true that methylphenidate can cause changes in the brain like neurons structure after long term use (years)?

Not in monkeys: There is no data yet that convincingly show long-term problems with methylphenidate. In fact one study done in monkeys specifically showed no change in brain structure on pet scan. The ultimate study of course remains to be done on humans. I think that it's safe to say that the basic science research looks very good but the final studies in human beings still need to be carried out. So far however there was no signal that long-term structural changes are occurring. Hopefully will find this reassuring and helpful. Best wishes. ...Read more

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Dr. Heidi Fowler
Board Certified, Psychiatry
19 years in practice
527M people helped
6

6
Can depression and ptsd change your brain structure and cause neurological problems later in life? I am 33 and have been on meds & therapy for 5 yrs.

Can depression and ptsd change your brain structure and cause neurological problems later in life? I am 33 and have been on meds & therapy for 5 yrs.

Brain changes: Ptsd can cause significant changes in brain physiology. The amygdala (fight or flight) becomes over -active. The frontal cortex forgets to monitor the amygdala- so there is more impulsive behavior the hippocampus forgets to do it's job laying down new memories and retrieving old ones. Neurotransmitters are out of wack. Early and aggressive treatment is important for optimal outcomes in tx. ...Read more

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Dr. Carla Enriquez
Board Certified, Adolescent Medicine
44 years in practice
19M people helped
7

7
Have there been any recent/ongoing studies on the long term effects (brain structure changes, cognitive, neurological, cardio, etc.) of Adderall use for the treatment of adult adhd? Akin to those studies on ssris and structural changes in the amygdala, la

Have there been any recent/ongoing studies on the long term effects (brain structure changes, cognitive, neurological, cardio, etc.) of Adderall use for the treatment of adult adhd? Akin to those studies on ssris and structural changes in the amygdala, la

Yes. : The use of stimulants in adhd patients stimulates white matter growth to normal levels. If not used, white matter is 25% less volume in adhd pts at 25 yrs old. This means decreased learning and connectivity in untreated adhd people. ...Read more

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Dr. Mark Fisher
Board Certified, Neurology
28 years in practice
1M people helped
8

8
Can you tell me how the CNS structure help its function?

Can you tell me how the CNS structure help its function?

Not in 400 chars: Not in 400 characters. In biology, you can't separate structure from function. If you want to find out how the brain works, you can start with one of the standard references: Principles of Neural Science, by Kandel and Schwartz. I have the 5th edition, 1709 pages. It covers the basics. It's an introduction. If you want to get deeper into the subject, there are more and bigger books you can read. ...Read more

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Dr. Vernon Barton
Board Certified, General Practice
46 years in practice
251K people helped
9

9
How does the structure of lymphatic capillaries correlate with their function?

How does the structure of lymphatic capillaries correlate with their function?

Intelligent design: The fluid carried by the blood stream/arteries leaks out into the tissues through the capillary walls and when the tissues are healthy, are drawn into the minute lymph channels and flows back into the blood stream at the superior vena cava just above the heart before the blood goes through the lungs for re-oxygenation. Impairment of the delicate channels or lymph nodes results in edema. ...Read more

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Dr. Gurmukh Singh
Board Certified, Pathology
43 years in practice
95M people helped
10

10
How does the secondary structure of hemoglobin affect its function?

Determines shape: Primary amino acid sequence of globin part of hemoglobin determines the secondary structure with then determines the tertiary and quaternary structure on which the function of hemoglobin depends. ...Read more

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Dr. Vicken Poochikian
Board Certified,
36 years in practice
2M people helped
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