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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60 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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174 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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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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49 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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76 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
241 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
104 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
76 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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53 views

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 ...
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1answer
44 views

Postconcussion symptoms: how long? Are they reversible? Treatment options?

I had an accident 7 days ago and I have been suffering from short term memory loss for about a week now. I can't remember anything from the accident or the day before it. Also, I suffer from headaches ...
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1answer
123 views

Healthy way to become numb [closed]

What can I do to enter a numb state of being so that I don't feel constantly dragged down, fatigue, stress, and all the other downs people experience? For years I've tried exercising, eating healthy, ...
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176 views

How are skills stored in the human brain?

How are skills stored in the human brain? I understand the difference between STM and LTM (short/long term memory). However, remembering a fact is different than learning a skill. Example: Let's take ...
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1answer
81 views

What factors influence the memorization in a young adult?

I am a currently a 23 year-old pre-med student and I am worried because I tend to forget things easily. To give you some examples: in class, I miss out on a lot of the information and in my every day ...
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1answer
637 views

Can thinking too much lead to brain damage?

I would like to become a mathematician, but am scared by the fact that for instance, Leonhard Euler developed what seems to be called a "cerebral hemorrhage", and he was perhaps the most prolific ...
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1answer
200 views

How good, and for how long, can endorphins really make you feel?

It seems to be common knowledge that exercise makes your body produce endorphins that make you feel good, but that is a vague idea. What amount of exercise does one need to have to achieve optimal ...
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221 views

Treatment of addiction

Substance addiction e.g. heroin is treated by gradually decreasing doses of a less potent substance other than heroin (if I am correct). Is this rule can be applied to any other addiction e.g ...
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1answer
148 views

Looking for studies about how blood pressure changes are perceived by our brain

More specifically, I'm looking for how the brain perceives its own local blood pressure changes if it does and what are the mechanisms/reactions involved in this process if any are known to date. I'm ...
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1answer
107 views

Can the blood accumulated after stroke be cured?

Recently my uncle had a stroke. He is now in rest and taking medicine. He has his right leg paralyzed, although the condition is improving. The doctor said that "blood is accumulated in the brain". ...
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1answer
71 views

Needing a resource for brain health [closed]

I've recently started to do some research about brain health (mentally and physically). I need some concise resources (hopefully a book) to have a general study about brain. Anything from brain ...
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1answer
777 views

what does this abnormality (arachnoid cyst) mean in a brain MRI?

In a Brain MRI (axial T1, T2, sagittal T1, axial T1 and FLAIR images) is written: CSF signal intensity lesion with 40x24x38mm diameter is seen in the anterior portion of left middle cranial fossa in ...
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3k views

What is the difference between Axon terminal and Synapses

I've read from a book that axon terminals make connections on target cells. I understand it. but at another line they said that Neuron-to-neuron connections are made onto the dendrites and cell ...
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1answer
150 views

how does alcohol damage the brain?

I am constantly reading about how alcohol affects mostly the liver and secondly other organs and body functions as well as causing vitamin deficiencies, but I did not find much information about the ...
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66 views

Are there any examples that gave a person new mental abililities after a head injury?

Are there any examples that gave a person new mental abilities after a head injury or accident that he did not have earlier? Abilities like Mental Abilities
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1answer
3k views

Does applying pressure on both sides of your head damage brain cells? [closed]

Someone squeezed my head with her hands. I am concerned whether it has caused any damage like loss of brain cells.
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1answer
57 views

How to improve memorizing ability?

I'm a student, how can I improve my memory ? Also, I heard that Matcha tea is good for students, is that true?
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1answer
63 views

Effects of eating healthy food for a limited amount of time

if we for example went on a healthy life style for a limited amount of time like 3 months. Then, we reverted back to our less healthier life style that we initially had. Will the reverted for (less ...
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246 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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Cerebellar tonsil herniation measurement level?

In my MRI scan result the cerebellar tonsil detected had a measurement of 0.50 mm through the foremen magnum. Is this condition considered normal for a tall person or is it considered the beginning of ...
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1answer
1k views

Does taking melatonin cause a reduction in the amount of melatonin the brain produces?

I take melatonin fairly frequently, but I have noticed that it does not work as well as it once did. I am wondering if by taking melatonin, the brain reduces its natural production of melatonin.
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1answer
323 views

Skin receptors on finger tip

How many receptors do we have on our fingertipps per square centimeters? I found 2500 but do not find the source. Is this correct?
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1answer
2k views

Which chemicals or drugs cause retrograde amnesia?

Which chemicals or drugs available only to doctors cause significant loss of current memories, specifically memories within the past few years and recently rather than your childhood memories?
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276 views

Mechanisms that causes prominent veins during physical exercise

I have just read this article about why veins become prominent while exercising: Why do veins pop out when exercising, and is that good or bad? I have some questions about this: The article ...
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1answer
66 views

Is it true that humans use 10% only of the brain on a regular basis? [closed]

The movie Lucy said that humans use 10%. I wonder if this is true, and if it is, how is it so. Also, where can we place those people with high and low IQs in terms of percentage of brain usage?
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6k views

Does carbon monoxide poisoning make you tired before it kills you?

Does carbon monoxide poisoning make you tired and sleepy before it knocks you out and kills you, or does it immediately kill you? Can you notice its effects and be aware of them? http://nypost.com/...
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1answer
206 views

Subconcussive brain trauma

I believe American football and boxing are proven to cause brain damage. I would consider it severe and life changing. But does punching a heavy bag cause subtler brain damage? Maybe wrestling, ...
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158 views

If meditating lowers brain activity and low brain activity is good then how come when you see low brain activities in (brain) PET scans its bad?

A lot of people try to scare you from taking drugs by showing you pictures of brains with lower brain activities on PET scans. But if meditating does the same exact thing and creates PET scans that ...
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0answers
25 views

Is increased blood flow always correlated with increased cerebral activity?

I've heard that cerebral fMRI (Functional magnetic resonance imaging) maps blood flow through the brain, and it is most of the time correlated with cerebral activity. What are the factors that can ...
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1answer
144 views

How to eliminate brain fog quickly?

After 6 hours on a computer, I feel mentally exhausted. What can one do to re-energize the brain? Besides sleeping to speed up recovery, how could one eliminate brain fog quickly? I eat healthful ...
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What could cause transient binocular vision loss? [duplicate]

I have episodes of transient binocular vision loss. The progression of an episode is very predictable: I start noticing some letters missing in text. Slowly, it evolves to a point half of my vision is ...
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1answer
911 views

What can cause a visual disturbance followed by a headache?

Interesting story: onset of a blurred point in a field of vision which gradually enlarges such that it forms an arc in the right side of the field of vision and then after a while that blurred arc ...
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1answer
77 views

What supplements/diet/activities can I do to improve mental function?

I am currently going through a web development bootcamp. I want to stress the word bootcamp here, a bootcamp on my brain. I know sleep deprivation is taking its toll on my mental capacities so far but ...
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2answers
404 views

Does sleep irregularity affect my brain and health?

For more than two years I have been sleeping irregularity. Sometimes I go to the bed at 10am, some days it may 10pm.There no regularity to when I sleep. Also, sleep time may differ. Sometimes I ...
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1answer
875 views

Is the Fight or Flight response considered voluntary or involuntary? [closed]

Is the Fight or Flight response considered voluntary or involuntary? can this response be trained? Meditation?
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1answer
200 views

What happens to the brain after a hemispherectomy?

When one half of the brain is removed, what happens regarding the space? Does it fill with CSF? Is something man-made put in there to stop the other hemisphere from moving? Is the other hemisphere ...
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1answer
70 views

Avoiding acute mountain sickness, high altitude pulmonary & cerebral edema

I have to fly to a town which is at high altitude. What precautions/drugs can I take to avoid acute mountain sickness or more life threatening accumulation of fluid in brain or lungs (high altitude ...
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1answer
82 views

Fainted history in both myself and my father. Can it be related?

I am a twenty five year old male, pretty fit, no known conditions. I fainted last night for a few seconds and although I will get it checked out, it has to wait for a week or two so I thought I'd get ...
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1answer
39 views

What is the disorder when a bodily process/function that is usually automatically controlled by the brain suddenly has to be consciously controlled?

I read an article some time back about an opera singer who suddenly had to retire. When she sang, her throat would "open" and "close" automatically, but one day the process suddenly was no longer ...
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1answer
2k views

What is the name of the sense that keeps track of where your body parts are?

I know that we have a sense that allows the brain to keep track of the locations of each of our limbs, digits, etcetera, but I can never remember what it is called. I would guess that most people aren'...
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0answers
102 views

Takes a while to decipher what people say, something wrong with my brain? [closed]

Sometimes, when people talk to me, I hear the words immediately but it then takes me longer than expected to decode those words and respond appropriately. This leads to odd pauses and I look a little ...
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52 views

Reducing trauma from surgery prohibiting sedation

I've noticed something a bit worrying about the way certain surgeries are performed, and I was wondering if there is a better way: During surgery, medications are administered to induce ...