Questions tagged [neurology]

The branch of medicine or biology that deals with the anatomy, functions, and organic disorders of nerves and the nervous system.

39 questions with no upvoted or accepted answers
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Why can thinking make a headache worse?

I sometimes get headaches where if I try and ignore them and continue with my work, they get so bad I feel sick and have to have a lie down until it passes. I've found that the best thing to do is ...
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110 views

Foods/drugs/vitamins to avoid, or not avoid, for tardive dyskinesia

I'm half expecting this to be closed as off-topic as seeking personal medical advice, but I'm going to try not to phrase it that way and see how it flies. For full disclosure, I was recently diagnosed ...
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63 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 ...
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Do pharmaceuticals which increase dopamine and norepinephrine levels in the brain significantly increase histamine levels?

I imagine any medication that has an effect on catecholamines would in some way increase histamine levels as well, just for the fact that histamine is part of the 'fight or flight' response and seems ...
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23 views

Nicotinic receptors stimulation

I came across this question today, it says: Nicotinic receptors stimulation is directly responsible for … I should fill the spaces by one of the following choices: Increasing the excitability of ...
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189 views

Can constant exposure to static electricity affect the nervous system in any way?

As titled, can holding a constant static charge affect the CNS? If so, is it detrimental? What are the short/long term effects, if any?
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62 views

Affects of nicotine on the nerves

There are new methods for getting nicotine. For example, vaping. Some people are almost promoting nicotine as a health product that can reduce the risk of Parkison's disease and colitis. Some people ...
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43 views

Any examples of diagnoses, therapies or rehabilitation procedures based on patients writing code?

For various neurological or psychiatric conditions, treatments and rehabilitation procedures have been developed that try to stimulate affected functionalities, e.g. music therapy or chess play for ...
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168 views

Decorticate or decerebrate response: may the underlying damages be reversible?

Decorticate response (GCS-4:112) or worse, decerebrate response (GCS-5:113), whatever the reason, are a sign of brain damage1. According to the US National Institute of Health: Decorticate posture: "...
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17 views

Why is multiple sclerosis associated with trigeminal neuralgia?

Multiple sclerosis (MS) is classically described as: an immune-mediated inflammatory disease that attacks myelinated axons in the central nervous system (Luzzio, n.d.). Since MS only involves the ...
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31 views

What, if any, are reasonable further tests for evaluation of cryptogenic stroke?

What is considered a "complete" workup of cryptogenic stroke? If someone presents with symptoms consistent with stroke and receives: PE EKG and external monitoring, MRI with contrast/MRA of head and ...
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39 views

Why does the brain shrink and increase energy usage after dehydration?

Along with mood and energy deficits a dehydrated brain has to use a lot more energy to accomplish the same tasks, shows a study from King's College London. Quote from Dehydration affects brain ...
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59 views

Are transorbital lobotomies still considered ethical these days?

Psychosurgery has a controversial history and despite modifications still raises serious questions about benefit, risks, and the adequacy with which consent is obtained. Its continued use is defended ...
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35 views

Can the human brain be taught to recognize new body parts, and how?

A newly emerging category of medical study is the potential to replace a missing piece, in part or in its entirety. While currently in its infancy, the potential for this in human health is astounding....
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271 views

How common is CTE in normal adults?

How common is chronic traumatic encephalopathy (CTE) in normal adults who don't have obvious risk factors such as high-impact sports? Have there been any studies done on the normal population as ...
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349 views

How could Lyrica (pregabalin) cause hallucinations?

I've heard of this happening on rare occasion, but I cannot figure out a sensible mechanism. I have some limited understanding of neurology and the function of GABA, and I know that ethanol (a GABA ...
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21 views

Dopamine deficit consequences for PD

I am currently working on a project related to Parkinson's disease, and I learnt a lot about how PD develops. In this context, I ran into a question that I could not answer myself. As PD results in a ...
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52 views

Language decline due to chronic traumatic encephalopathy

I'm looking for references to studies on language decline due to progressing chronic traumatic encephalopathy (CTE). A preliminary search on google only gave me general info like "word loss, memory ...
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83 views

Tips on identifying CVA patients

In my work, not once i encounter old people with deterioration and i am having hard time deciding if does symptoms may be related to CVA or not and if a neurologist should be called. I will explain ...
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Can neuromuscular electrical stimulation be used as a low-cost alternative to mechanical breathing

It is speculated that because of COVID-19 pandemic there may be shortage of intensive care equipment (mechanical breathers) causing deaths. Though IDK what is so costly in these mechanical breathers ...
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38 views

How does high-intensity aerobic exercise affect the brain?

I have been reading articles claiming that serotonin, endorphins and BDNF are produced during exercise, but they never mention the intensity or duration of exercise for this to happen. To not make ...
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22 views

How does low-intensity aerobic exercise affect the brain?

I have been reading articles claiming that serotonin, endorphins and BDNF are produced during exercise, but they never mention the intensity or duration of exercise for this to happen. To not make ...
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28 views

Peripheral excitability effects of Mirtazapin

Is there any reason/mechanism according to which only two dosages (on two consecutive days) of Mirtazapin 30mg might lead a patient to feel an increase in their peripheral neurological sensitivity, ...
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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....
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31 views

Is there any data about the significance of a blood serotonine level test and links to depression or other psychiatric diseases, or simply mood?

What does low or high blood serotonine levels tell us. Is there any data on the link between certain conditions and serum serotonine concentration?
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14 views

What is an unbiased electrical search stimulus?

The following is an excerpt from Wall and Melzack's Textbook of Pain, sixth edition: "When an unbiased electrical search stimulus is used, however, the prevalence of type I and type II A-fiber ...
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19 views

Are there any long-term health benefits/ disadvantages of wearing socks, especially woolies?

Are there any long-term health benefits/ disadvantages of wearing socks, especially woolies ?
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50 views

no medication treatments for MS

What are the no-medication treatments for Multiple sclerosis (MS) ? Based on many papers, sport and meditation can help to keep the immune system and the body healthier which leads to a higher level ...
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247 views

Can unruptured brain aneurysm symptoms come and go?

Lets say a person has many symptoms of a unruptured brain aneurysm, but they're rather subtle, and seem to change from one symptom to another. They come and go. Is that possible? Or, if they were ...
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39 views

Does pain lower resistance to addiction?

For a little background, I'm known by everyone in my circle of family/friends for being the most healthy. I eat far less than most people do and it's usually fresh vegetables and things like chicken ...
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Myasthenia Gravis and preserved deep tendon reflexes, why?

I saw a patient on rounds the other day w/ MG and it was mentioned that DTR are preserved. I've been going over it in my head and I am confused why they would be preserved. Don't muscle reflexes ...
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12 views

The Roles of SSRIs and Neurotransmitters in Migraines

How do SSRIs alleviate migraine pain? Can anyone shed any light into the mechanism please? More broadly, I am interested in the roles of neurotransmitters in the cause and potential prevention of ...
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24 views

Is the MSC-based regenerative medicine promising for Ischemic stroke stroke patients? ; two points difference in the 47-point test

Many papers says, regenerative medicine using MSCs are promising for Ischemic stroke stroke patients. But in my layman's sense, various data don't seem promising. So, I want to hear the opinions of ...
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24 views

Can thickened maxillary and ethmoidal sinuses cause headaches?

An 18 year old patient has had mild and constant daily headaches for two months. The headaches were most painful in the eyes and forehead area. His MRI was clean, apart from moderately thickened ...
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25 views

Tilt table test and beta blockers

Is tilt table test indicative with beta blockers for dysautonomia diagnosis? Or is it require drug withdrawal?
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13 views

When do we get lower limb extensor rigidity vs flexor rigidity in a cerebrovascular accident?

Normally in an internal capsule stroke causing hemiplegia why do the lower limb extensor muscles(anti-gravity muscles) develop spasticity?
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27 views

Why are NURR1 activating drugs such as bexarotene, amodiaquine, chloroquine and glafenine not tested on Parkinson patients?

Quote 1 from article 1: NURR1 activates genes associated with the survival of the dopamine neurons, such as the receptor c-RET. cRET is the receptor for the neurotrophic factor GDNF (or Glial ...
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38 views

What is the genesis of qualia?

I am knowledgable about qualia being a subjective experience derived in the mind, although I lack a physiological understanding on how it occurs. I am able to determine that qualia exists in the ...
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70 views

Is it possible to “sleep” while aware and cognizant?

I have a scenario, but before I begin, I would like to clarify that this is not Sleep Paralysis, nor Lucid Dreaming, nor what I understand a Trance to be. Let's say that someone decided they needed to ...