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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2answers
125 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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1answer
5k 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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0answers
21 views

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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1answer
67 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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1answer
207 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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0answers
58 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 ...
3
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1answer
30 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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1answer
41 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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1answer
74 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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0answers
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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0answers
194 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 ...
2
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1answer
59 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
98 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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0answers
40 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
66 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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0answers
54 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 ...
4
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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
40 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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1answer
51 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
82 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 ...
7
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1answer
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
67 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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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?
4
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1answer
216 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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0answers
37 views

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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2answers
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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0answers
35 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 ...
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1answer
262 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
790 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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1answer
110 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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2answers
161 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
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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0answers
62 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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1answer
154 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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0answers
50 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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0answers
79 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
68 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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2answers
4k views

When was brain cancer first discovered?

Does anyone know: In which year was the first brain tumor discovered?
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1answer
80 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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0answers
54 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 ...
2
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1answer
45 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
82 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
127 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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0answers
189 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
163 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 ...
3
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1answer
67 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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1answer
108 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". ...
3
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1answer
649 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
154 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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1answer
59 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?