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Questions tagged [brain]

Tag for questions regarding the brain. The brain is the portion of the central nervous system that is located within the skull. It functions as a primary receiver, organizer, and distributor of information for the body. It has a right half and a left half, each of which is called a hemisphere.

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how to train our brain to always use left part for thinking & deciding things?

how to train our brain to always use left part for thinking & deciding things? How do I not take emotional decisions
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How does the brain create original thoughts? [on hold]

Since the generation of thoughts requires the coordination of various parts of the brain, how does the brain know which parts to activate to develop unique ideas? Does the brain randomly activate its ...
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Why can't we learn what we don't like?

The school system as we know it, is & has been shaping students to fit the system which they live in and throughout this process, the students are forced to learn(mostly memorize) subjects which ...
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Why does emotional pain sometimes feels like physical pain? [duplicate]

So here's a question from a newbie. I read somewhere that emotional pain can last as long as 20 minutes. Anything painful you feel beyond that is just a result of overthinking. Well whatever it is, ...
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How are tactile pleasure and pain differentiated in the somatosensory cortex?

A recent question here asked about (mostly) how pain and pleasure are differentiated in pathways involving reward/aversion cues. But there was some confusion as to what the question really wanted to ...
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The relationship on deja vu, dream and retrocausality?

In quantum physics, there is a topic on something called retrocausality, which addresses whether the future can affect the present and whether the present can affect the past. In terms of deja vu and ...
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47 views

Brain, Mind vs Conscious actions

Has there been any recent significant progress on the hard problem with significant experimental results. What is the current majority main stream consensus?
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How is the human brain evolving?

I came across this article which states that brain takes about 20% of the body's energy. This is quite a lot compared to its size. Somewhere I read that even if this is a lot, this must be an absolute ...
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Converting human's memory into digital data

I am wondering whether converting someone's memory into digital data is possible or not. It may sound ridiculous. However, if chance is not 0 then what kind of studies might be used? What kind of ...
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Could we develop a notion of conceivability that would allow us to imagine impossible/inconsistent/illogical things?

There are things that we cannot imagine because they are impossible (like a solution to Russell's set theory, since it is impossible to reach that solution because it is illogical.) Some months ago, ...
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Performance of a damaged brain

I have heard stories/reports that if a certain part of the brain (taking care of certain functions) is damaged other parts take over the function of the damaged part. Intuitively this could mean 2 ...
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Is low self-esteem, a brain chemical imbalance problem, rather than a personality defect, and can't be fixed by any amount of counselling/self-help?

I am asking this question because I recently observed something within myself:- I think I used to be a Borderliner plus Bipolar. I was very sensitive, and slightest of events will either induce mania ...
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What would happen to the human brain after running out of memory?

According to this answer humans have enough memory to store 300 years of TV shows. However, of course, it is disputable, as storage system would be completely different from storing TV shows (videos) ...
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What introductory textbook is available about the corticostriatal brain circuitry?

I want to understand the basal ganglia better. In particular, I want to understand the role of the corticostriatal brain circuitry for non-motor functions, including emotion and cognition. I have ...
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The computer model of the brain

I am a computer programmer or computer engineer, and am interested in comparing the brain to a classical computer in some way. How well does this comparison hold up? This is a general introduction ...
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What are the thoughts? [duplicate]

At the neuroscience level, what are thoughts? I mean, are they just electrical synapse through the brain in a recognizable patterns? if so, How are those electrical pulses originated?
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How does the brain learn and execute causal reasoning for short-term and long-term planning?

What does state-of-the-art neuroscience research say about the way the brain learns and performs causal reasoning when it has to come up with short-term and long-term plans in order to achieve a ...
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Negative Rewards(punishment) processing in Human Brain?

Can someone please tell me how negative rewards or punishments are processed in the human brain? Do we have a separate segment to process positive and negative reward and are the positive and negative ...
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2answers
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Are thoughts transferred along with a brain during a brain transplantation?

If I'm transplanted with, e.g., Stephen Hawking's brain, would I start to think like him, or would I remain to think like me? On which, "thinking" ability depends , is it the physical structure of ...
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Stroke amelioration

Excessive sugar, like Pepsi, is considered harmful. However, I am wondering if it could be helpful if taken by a victim of stroke during or immediately after a stroke, or somewhat after a stroke? My ...
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Why we do what we aren't allowed to do

Don't touch the red button, or don't touch that chocolate cake while I'm gone. Why is it that we most likely will touch them anyway?
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Temporal and frequency analysis of brain network to study autism disorders

I know it has shown in the literature that autism disorder affects brain network connectivity based on rs-fMRI data (Plitt, Barnes, & Martin, 2015). They have local over-...
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Are cognitive functions strictly divided in the left and right hemispheres? [duplicate]

I often see this kind of picture, claiming the strict lateralization of brain functions. Is this valid? Then, what happens to left-handed individuals? Are their cognitive functions also switched ...
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107 views

How much pleasure can brain endure?

As of 2018, is it possible to induce pleasure in humans by some intervention like sending electrical signals? I've read that it's been done on mice. If not, it's quite imaginable that it will become ...
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Why isn’t there any studies being done on how people with photographic memories remember or recall dreams

Lately, I’ve been researching on lucid dreaming and how we recall dreams after we wake up. Another topic I’ve been working on is how quickly we forget them. So I’ve been wondering if people ...
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Proportion of cortex dedicated for vision and hearing

I have read in some websites that the percentage of the cortex devoted to processing visual information is from 30-66% with some claiming even 90%. And compared to that, only about 3% is dedicated to ...
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Why we construct and estimate human brain models? [closed]

Based on clinical data collected using different brain imaging, researchers build a mathematical model of the activity of the human brain like the hemodynamic model (Friston, 2000) that describes the ...
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To what extent is face-detection achieved in peripheral vision?

I'm trying to find out to what extent mere detection of faces (i.e. determining that something is a face, as opposed to recognition of specific individuals) is favored in the central vision vs ...
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Is this brain map scientifically correct?

I'm not an expert in neuroscience but always read about information that seems conflicting to me. On one side I hear that the idea of single brain functions localized in specific brain areas is ...
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56 views

Can a person do things against their own will and be conscious of it at the same time? [duplicate]

I am a firm believer of the principle of free-will, but wanted to see if there was any examples(or case examples) of people knowingly doing things against their own will. I know that we can be ...
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Why do male brains not detect extra “F”

Is there a neuroscience explanation for the behavior in the following experiment? Are there any papers or research conducted to find out why this differentiation happens? Count the number of ...
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1answer
198 views

Which possible methods can be used to determine if a certain part of the brain is active?

The question goes back to this tweet: Julia‏ @JuliaHass I just learned that elephants think humans are cute the way humans think puppies are cute (the same part of the brain lights up when ...
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2answers
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Does the brain's architecture change while growing up?

If we are somehow able to record and store all the neural connection in the brain of a child and also the brain of the same individual when he is old will there be difference between the two ? Is the ...
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2answers
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Why do people like to listen to sad songs?

Why do people like to listen to sad songs? Sadness is not a positive feeling, so people should avoid it, right? Listening to sad songs is like inflicting some pain to yourself just for pleasure. Did ...
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Can I read what the person thinking through electrodes or something similar?

First of all I'm not a medical 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 positively ...
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Theorem of uncertainty in cognitive science

Recently, reading one book I have come across such paragraph: ...
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Why is homosexuality considered “natural”? [duplicate]

Ok, firstly I don't know if this is the right forum to ask this question. Secondly and most importantly I am an ally and a supporter of the community, its rights and for their equality. Recently, I ...
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1answer
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Are there any long term cognitive impairments from prolonged period reduced sleep? [closed]

What are the consequences of chronic lack of sleep? For example, insomniacs are known to sleep less than normal sleeping individuals. I am wondering if there are any long term cognitive impairments ...
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2answers
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What electrical stimuli do brain implants use?

I was reading about artificial eyes and came to think about how the brain works. More specifically, what "signals" it uses in the case of cortical visual prosthetics in blind people? Cortical ...
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Can we identify specific emotions on the basis of fMRI scans?

I am looking for fMRI studies in which the emotional response of a person listening to music is visible in the fMRI scans, paralleled by a retrospective think aloud report of the person describing his/...
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0answers
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How do ideas come to our minds? [duplicate]

how does a new or creative idea come to mind ? or else how does an idea that leads you to solve a problem you have been working on for days suddenly come up ? you just feel like it lightened up in ...
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Hypothetical working and function of grandmother cells [closed]

I wonder, if the following model of the working and function of hypothetical grandmother cells is worthy of consideration or not (or if it is even a common view, just differently stated). I assume ...
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What is the meaning of the brain scan of borderline patients?

Starting from mark 21:50 in the lecture BPD-related cognitive-perceptual difficulties and challenges in their diagnosis and treatment, there is an image of brain scan in borderline patients: What ...
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How is brain able to evoke almost real physical feelings in dreams? [closed]

How does it do that? Except for smell, I find brain being able to evoke almost real feels when we are in a dream. I was even able to make myself get high in a dream. And even in the dream, the brain ...
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How does alcohol increase firing rate in Golgi cells?

I understood that ethanol increases Golgi cell firing by inhibiting the Na+/K+ ATPase channels, which makes granule cells receive more GABAergic input from the GABA that Golgi cells relase. Some ...
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Is the effect of music on stress just due to beat entrainment?

Different music genres have different beat and rhythm patterns. The lower beat and rhythm frequencies are similar to the frequency of heartbeat and this relax us. However in my opinion, it's relevant ...
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1answer
352 views

What is the capacity of the human brain?

What would a reasonable estimate be of the data capacity of the human brain expressed in bytes?
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1answer
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Success rates or reviews of Brain Working Recursive Therapy(BWRT), and number of sessions needed on average

Brain Working Recursive Therapy(BWRT), introduced by hypnotherapist Terrence Watts in 2011, is a brand new form of therapy. Hence, my internet search doesn't seem to give me any idea of how successful ...
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318 views

Can drawing a duck define a person's hemispheric dominance?

When I was on 7th grade, our math teacher asked every one of us to draw a duck. In the class of 34 students, a large portion of the students drew a left-facing duck. The teacher said that it’s a ...
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244 views

Are we able to simulate pain through the brain?

I have like 0 experience or knowledge about brain signals and all that stuff but I'm curious about how much we know about the brain in terms of like tricking your brain that with simulation of pain. ...