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Questions tagged [brain]

Questions pertaining to the brain: an organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating center of sensation and intellectual and nervous activity.

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Professional-grade 3d model of brain for neurology resident [closed]

I am looking for professional-grade app (desktop or mobile) for learning brain anatomy. I am planning to buy a gift for a person that is neurology resident (soon to become specialist). Is there ...
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16 views

Can hyperventilation syndrome result in brain damage? [duplicate]

Can hyperventilation syndrome, over the course of several months, brought on by anxiety or panic disorder cause permanent brain damage?
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1answer
62 views

breathing in versus injecting mercury (the gas)

Breathing in mercury is extremely bad and can have consequences for your whole remaining life. It's the property of mercury to evaporate at room temperature, which is why it can get harmful so ...
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1answer
63 views

Medical procedure to sever the brain's ability to communicate with the heart?

So, I think I read some-where that there is a surgical procedure to server the heart's ability to communicate with the brain, for reasons. A negative consequence of this was not being able to, for ...
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treatment of Neurocysticercosis in humans

What would be the best treatment for neurocysticercosis especially if one has many teaenia solium cysticercosis in the brain already for a long time.
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What are the definitions of Time to Peak, Cerebral Blood Flow and Mean Transit Time?

I am trying to compute Time to Peak, Cerebral Blood Flow (CBF) and Mean Transit Time (MTT) maps in brain CT imaging. I tried to find the definitions or some articles but I am not from the medical ...
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1answer
91 views

Are aluminum profiles dangerous?

I am thinking about building racing rig from aluminium profiles. Something like this: Original image here: http://www.simracingmachines.com/images/builds/rig2014/IMG_1686s.jpg I would like to have ...
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47 views

Why do we sleep? [closed]

I was reading many things about sleep. But I am very curious about knowing why do we sleep. Is it only for trashing out toxic materials or is it anything else?
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51 views

Does a higher IQ influence the 'high' of weed?

I'm not sure if this is the best place for the question, but it seemed like the appropriate board to ask on.. So, I'm not asking if Higher IQ= Smoking more weed or anything like that. I was just ...
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1answer
33 views

What diet should I eat to perform optimally, maximizing my alertness? [closed]

While studying I have noticed that some diets contribute to wide swings of alertness and tiredness while other diets result in a steady slight brain fog for an extended period. Given the desire to ...
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1answer
43 views

How do humans meet the brain’s glucose demand of 420kcal (105g sugar) per day on a healthy diet?

How do humans meet the brain’s glucose demand of 420kcal (105g sugar) per day on a healthy diet? Wouldn't the protein demand in case of gluconeogenesis be tremendous? https://www.ncbi.nlm.nih.gov/...
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Can any disease enhance Brain functioning instead of reducing it?

Parkinson's disease, dementia and Alzheimer are known to degrade Brain's functionality. But are there always negative side effects to disease? Or are there any good side effect that enhances the Brain ...
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1answer
981 views

Withdrawal symptoms of pornography addiction

For a 10 years pornography addict what are the symptoms of withdrawal at the first 2 months ?
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Longitudinal studies on: how attention to emotional stimuli develops from infancy to childhood?

According to LeDoux’s model (1996) we have specialized pathways for processing emotional cues. Pourtois, Schettino and Vuilleumier (2013) offer a neural model of how emotional signals capture ...
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Can I read what the person thinking through electrodes or something similar? [closed]

First of all I'm not a medical health student so I may miss some points here. I know that EOG (electro-oculography) works on the corneo-retinal dipole. The cornea (front of eye) is slightly ...
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1answer
57 views

Why I am lossing memory if I work hard? [closed]

I am a software engineer and you know that it requires to think in logical way to develop code. I am also hard working to reach the dead lines just to do not loss job. But from last 6 months ...
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466 views

Could the cerebral hypoxia caused by voluntarily hyperventilating for an hour (“breathwork”) cause brain damage?

TL;DR hyperventilating for 60 minutes for psychedelic/meditative/therapeutic effect: is this dangerous? Hyperventilation can lead to cerebral hypoxia, as hypocapnia (reduced CO2 in blood) causes ...
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75 views

Misophonia and autism

I would like to know, is there an area of overlap between misophonia and autism? Because I have heard autistic people are sensitive to specific sounds in absence of love and cover their ears. How ...
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52 views

How the brain would recover by itself?

After reading this story about Terry Wallis and how his brain worked to self recovery, what are the medical/scientific conclusions and theories that we can collect from his medical status and what we ...
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1answer
118 views

Is there scientific evidence that low-carb diets enhance athletic and mental performance?

Contrary to the recent past, when high carb - low fat diets were recommended, it appears that now the opposite type diet is often being recommended. Many doctors who have written books on the subject ...
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1answer
26 views

Relation between Cold & Mood

Every single time whenever symptoms of a cold start to develop, excluding the general irritation (headaches, runny nose, etc) - there are moments where my mood just gets extremely positive. Is there ...
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2answers
87 views

Can individuals experience a 'pleasurable' form of psychosis?

From reading anecdotal stories of people with psychosis and schizophrenia online and meeting some people in real life suffering with them first hand, it seems that their experiences are always ...
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0answers
235 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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39 views

Noogie = concussive force?

Can rubbing ones head vigorously with the knuckles result in brain trauma (essentially a hard scalp massage with the knuckles). Forceful enough that it is putting pressure on the scalp and causing ...
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34 views

Mental growth and body posture [closed]

I have seen many kids having brain development issue, have body shape and growth issues as well. Is it the brain controlling the growth of body or there are some other factors?
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1answer
45 views

Are there no threats and only benefits for using hyperbaric oxygen therapy?

Following this story and many others, I read articles that hyperbaric oxygen therapy can help people with brain damage but can also help healthy people. I heard that hyperbaric oxygen therapy can ...
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3answers
77 views

Ringing in ears

Can somebody tell me, what's that ringing sound in the ears which prevails even when somebody is in quiet surroundings? Is that sound real or just created by our brain due to some sort of ...
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30 views

Why consciousness is lost immediately when heart stops beating?

When heart stops beating - consciousness is lost in seconds. It is explained that it is due to the drop of blood pressure in brain veins. However, by my understanding - that should only make brain ...
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1answer
62 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 ...
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1answer
37 views

Brain performance suppliments

My 27 years old brain lacks concentration and memory, mood to perform daily task is lazy. I used to have a test most of the vitamins are ok except D and B complex Below average a little bit. Which ...
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1answer
67 views

Which foods increase the brain activity? [closed]

Are there any foods which can increase the brain activity, and can make you instantly more "clever"?
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1answer
35 views

Is it true that brains can metabolize ketones?

It is true that brains can use ketones for energy and concentration instead of sugar? This video (and my roomate) claim they can. I thought brains only operate on glucose and the liver is required to ...
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0answers
52 views

How to handle overthinking and being nervous all the time [closed]

I'm an application developer with little experience. I recently graduated from university and now I work as a app/game developer. My issue is that every time I get a new task or project I get very ...
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1answer
46 views

Does sleeping on one side affect cognitive development?

I have been sleeping mainly on my right side for as long as I can remember. I am wondering whether this could have had any effect on my cognitive development? I can image that gravity pulling down ...
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1answer
76 views

How to keep my brain active and alert in natural always

Could you please let me know if any foods available to keep our brain active and alert always. Sometimes I loss the common sense also to think on few things. For example pronouncing a word that I ...
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Strong headache for few days now [closed]

I am having a strong headache since few days. It is as the following: Headache in the front area of my head and above the eyes; A heat in my eyes; My neck it is like cramped or something; Little pain ...
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Exercising the brain? Getting back into study

I recently after a decade of being away from any sort of learning environment have begun to study again. I regularly play games of all sorts so figured my brain and ability to learn would still be ...
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945 views

Possible cause for head feeling funny when i drink some bottled waters

I've noticed for the past years, that sometimes when I drink water (and this only happen with bottled water and with job filtered water machines) I have a weird feeling in my head, giving a kind of ...
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0answers
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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 ...
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2answers
165 views

How to keep the brain in an excited state?

When the brain is excited everything is all around better, learning is faster, training is better, socializing is easier and thinking is faster and more coherent. For some, such as myself, however, ...
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1answer
2k views

Is Forgetting certain spellings a sign of Alzheimer's

1) Is Forgetting certain spellings in English easy ones ( and remembering the tougher ones and other things like daily chores and etc) a sign for Alzheimer's. 2) Does Alzheimer's affect people below ...
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54 views

Need help with Dementia Hackathon Idea (Professionals experienced with dealing with Dementia patients appreicated!)

Me and my team are planning to go to a Dementia based Hackathon early March and since this is our first actual hackathon we were wondering if you could provide some advice regarding our idea. Here's ...
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122 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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1answer
39 views

How to know if a person has seizures? [closed]

Could you please let us know if the following are symptoms of seizures in a 16-year-old: He goes sudden unconsciousness while speaking normally There were no convulsions. When it happens he start ...
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46 views

Visualization of a game that you just played [closed]

Do you see video of a game you just played before sleeping? It happens to me almost every time I play a XBOX / mobile / even a simple game for more than an hour or two. After I play a game, when I ...
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63 views

Altitude Sickness & Brain Damage

I stumbled on an article about altitude sickness and causing permanent brain damage; is there validity to this for less extreme mountaineers? It is common for Colorado front rangers to ascend up a 14,...
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1answer
183 views

What are the functions of these parts of the brain (MRI)?

This is an MRI images of my brain. There are three red arrows pointing at there parts of the brain. I would like to the functions of these three parts, Please? Are they control motion, speaking, ...
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1answer
90 views

How does a skull mend after a surgery?

After a craniotomy, a large piece of a man's skull may be removed. That bone piece has to be put back, right? How to fix it and the bone piece can join the skull normally as it used to be? There ...
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1answer
65 views

If your brain tells you that you hear ringing in you ears, tininitus, why is it so difficult to tell it to stop?

Why is it that some people have tinnitus and some don't. Sometimes I feel like I'm so isolated because of the noise in my head. I can't make it stop and it's difficult to push through so I can hear.
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Are moving “ghosts” after waking up normal or it is sign of disorder? [closed]

Sometimes when I wake up I see moving silhouette of a human in my room. It lasts roughly 3–4 seconds. Then it fades away. These silhouettes have no detail, so I cannot sort out its faces or any ...