Questions tagged [neuroscience]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2 votes
0 answers
29 views

Question about nerves and their roots

I am new to anatomy and medical sciences in general. The other day, I was studying the stages of the brachial plexus (the roots, divisions, trunks, cords, branches, terminations and so forth). Then I ...
user avatar
-1 votes
1 answer
35 views

What's the name of the function that helps localise part of body without looking?

What function in the brain allows it to locate body parts in space without looking? How is it possible to eat without looking? Why are some people able to catch food that has been thrown at them? Are ...
user avatar
1 vote
0 answers
25 views

What is the pathway for the nerve to the Levator ani muscle?

It seems that the nerve of the Levator ani muscle related to the pundendal nerve, but does it take the same path? The pudendal nerve starts from s2, s3, s4, it passes near the piriformis muscle (...
user avatar
0 votes
0 answers
41 views

Why do spinal shock syndrome and upper motor neuron lesion have different features?

While discussing the differences between UMN and LMN lesions, one of the most characteristic feature discussed is spastic and flaccid paralysis respectively. Since spinal shock syndrome requires ...
user avatar
  • 403
1 vote
0 answers
26 views

Why do water molecules diffuse along axons direction? [closed]

I am studying tractography technique which aims to reconstruct bundles of axons in brain by following the diffusion direction of water. It exploits the difference between grey matter and white matter: ...
user avatar
1 vote
1 answer
38 views

What are the molecular mechanisms of inducing pleasure for physical exercise?

It is known that pleasure of eating is one of the main cause of obesity. And from my everyday experience I can also see that some men really enjoy the exercises in gym, they can not live with out them....
user avatar
  • 141
1 vote
0 answers
72 views

Can the neurological damage done by alcohol, specifically memory and cognitive performance, be reversed? [closed]

I read online that heavy alcohol consumption can lead to neurological damage, specifically in areas related to cognitive abilities and memory. But I haven’t found an article on reversing the damage ...
user avatar
1 vote
0 answers
66 views

How does sleep affect anesthesia? [closed]

Before surgery that requires anesthesia the patient is told stuff like don't eat. Some people cannot sleep well prior to surgery. Can having a full night or regular good sleep fair better for ...
user avatar
  • 1
2 votes
1 answer
71 views

Is there something like prosopagnosia (face blindness) for things that are not faces?

Prosopagnosia ("face blindness") is a brain disorder which hinders facial recognition, the memory of people's names and other social details, and difficulty with "map memory" -- knowing how to get ...
user avatar
  • 121
1 vote
0 answers
20 views

Why do some neurons live longer than others?

It seems that the scientific community agrees that the development of new neurons stops between adolescence and early adulthood. ("Does the Adult Brain Really Grow New Neurons?" https://www....
user avatar
2 votes
1 answer
67 views

Does a single brain lobe (e.g. parietal lobe) heat more than others during processing tasks that are related to it?

Of course, our brains are the most powerful, stabilized processors. And they don't go outside of their temperature thresholds under normal / even abnormal(till some threshold) conditions. I felt like ...
user avatar
3 votes
1 answer
76 views

Parts of the Brain

How can we prove that certain parts of the brain are involved with certain functions? Is it through showing subjects images and then using neuroimaging to see what parts of the brain light up? I am ...
user avatar
3 votes
0 answers
68 views

Reference request: Parkinson's disease book

I am about start a project on computational modelling of basal ganglia in the context of Parkinson's disease. My background is mostly on computational side (and some neuroscience too) and I know ...
user avatar
  • 131
0 votes
1 answer
97 views

how to stop frequent nocturnal emission [closed]

My age is 28 . I am male and i am un married I do not watch any content that may arouse feelings but still i face the problem of nocturnal emission (without any dream) approximately twice a week ...
user avatar
  • 111
4 votes
1 answer
176 views

To what degree does tactile stimulation affect muscle tone?

Hard to find the appropriate board for this, but I'm after an answer from a neuro-perspective. A Naprapath once tested the tone of different muscles concluding that I was, quoting, (globally) "...
user avatar
1 vote
0 answers
93 views

What are the long term effects of Dexedrine (for adult ADD)?

Dexedrine is a common treatment for ADD in adults. It is a stimulant that helps with focus and engagement in their work. But it is an amphetamine and thus has potential for chemical dependence. ...
user avatar
3 votes
1 answer
68 views

Any research on brain's processes involved in evil actions?

I'm reading Zimbardo's The lucifer effect: understanding how good people turn to evil in which he describes the famous Stanford prison experiment that investigated the psychological effects of ...
user avatar
  • 191
1 vote
0 answers
43 views

What practically "kills" the human brain without debilitating the person?

For example, people say that drugs kill the brain but someone who becomes stupid and forgetful from years of smoking marijuana isn't literally brain dead. What specific drugs and other activities or ...
user avatar
  • 11
5 votes
2 answers
1k views

What is the difference between stress and excitement?

I was wondering if excitement is also bad for your body. I know it uses the same parts of the brain. And when i feel excited I don't want to eat and i get jittery. it is also the same with stress or ...
user avatar
4 votes
1 answer
248 views

Nociceptor sensitization and ACh release

As a component of the Myofascial Trigger Point Pain Syndrome vicious cycle, sensitization of nociceptive nerve fibers leads to excessive acetylcholine release from nerve terminals, entailing sarcomere ...
user avatar
  • 231
1 vote
1 answer
351 views

Sensitization and Energy Crisis in Myofascial Pain Syndrome

In Travell and Simons' Myofascial Pain and Dysfunction: The Trigger Point Manual, an energy crisis within a muscle is said to entail the release of sensitizing substances that could interact with ...
user avatar
  • 231