8
votes
Accepted
What is the capacity of the human brain?
Paul Reber, professor of psychology at Northwestern University, stated that
The human brain consists of about one billion neurons. Each neuron forms about 1,000 connections to other neurons, ...
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7
votes
Accepted
Brain Right hemisphere is random and left hemisphere is linear? really?
You shouldn't. It is one of those stubbornly persistent myths. It is almost entirely false. It is true that in some tasks one half of the brain is more prominent (although even in supposed classic ...
- 417
7
votes
Are thoughts transferred along with a brain during a brain transplantation?
Short answer
Human brain transplants have never been performed, so any answers to what will happen are mere speculations.
Background
Whole-head transplants have been performed on animals, the first ...
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6
votes
Why can't we use 100% of the brain in a certain moment?
Far from being one single organ performing a single homogeneous function, the brain is actually several lobes, and each lobe is like a separate organ performing a dozen functions. Putting it in ...
- 231
6
votes
Are we able to simulate pain through the brain?
Short Answer
It appears that stimulation of the thalamus would invoke feeling of pain:
Direct deep brain stimulation (DBS) in the VP thalamus from patients without pain typically evoked nonpainful,...
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6
votes
Delay time of Transmitting the information from one neuron to another in brain
You mentioned the neurotransmitters released at the synaptic cleft, but seem to be interested in the complete picture. An action potential is actually very slow to propagate down an axon with a ...
- 503
6
votes
Does the split brain disprove a materialistic mind?
The question title reads:
Does the split brain disprove a materialistic mind?
The simple answer being no, nothing disproves that - the brain harbors the mind (e.g., Lilienfeld & Arkowitz, 2008).
...
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6
votes
Is this brain map scientifically correct?
The diagram is a somewhat simplistic representation of brain functions, but it is accurate. The diagram given shows the primary areas that complete the actions listed. However, the entire brain is ...
- 61
6
votes
Accepted
The computer model of the brain
This question's reference to a classical computer refers to a "Turing Machine" style of computation, also known as a knowledge system, in which decisions and possible results are pre-...
6
votes
Why can't human thoughts be stored in metals?
First off, you mention 'metals'. What is a metal?
In common speech, a metal is a shiny material that conducts electricity and heat well.
In physics, a metal is regarded as a substance capable ...
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6
votes
Accepted
Why is the occipital lobe behind instead of in front?
From the retina, visual signals next travel through the lateral geniculate nucleus of the thalamus. This nucleus is quite centrally located, about as much in the middle of the brain as possible, and ...
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5
votes
Accepted
Why is amygdala located on paleo mamalian part of the brain?
The reason why the amygdalae are in the middle of the brain is because they are not part of the reptilian brain. The amygdalae interact with many areas of the brain and are in the limbic system. ...
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5
votes
Do direct cortical pathways exist in the visual system, or do they all go via the thalamus?
Short answer
Intracortical projections can be routed directly to other cortical areas (cortico-cortical projections), or via the thalamus (cortico-thalamo-cortical projections).
Background
...
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5
votes
Can I read what the person thinking through electrodes or something similar?
I take it you want to use eye movements for data input (rather than reading people's thoughts, which would be silly to consider). It's not the greatest idea, efficiency wise, but may have its ...
- 10.2k
5
votes
Can we identify specific emotions on the basis of fMRI scans?
From meta-analyses that include musical emotion inductions, there is not much evidence that we can reliably distinguish between emotions in the brain, independent of the emotion induction procedure or ...
- 4,388
5
votes
Accepted
How much pleasure can brain endure?
As of 2018, is it possible to induce pleasure in humans by some intervention like sending electrical signals?
Yes, it is possible and has been done, typically as DBS (Deep Brain Stimulation) for ...
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5
votes
Accepted
What is the human brain made of?
The brain has a lot of a fatty substance called myelin. It wraps around nerve fibers and enhances the speed of electrical communication between neurons (source: Brain Facts), and increases ...
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5
votes
Cerebellum question
I don't have a clear and definitive answer to give to you but first you should have a look about brain development (from:https://www.apa.org/education/k12/brain-function):
And to the function ...
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5
votes
Cerebellum question
Hagfish, the most primitive vertebrates, do not appear to have a cerebellum, or if they do have one it is very primitive. Hagfish have most of the other structures found in vertebrate brains (...
- 235
5
votes
Accepted
Does the mind create the body?
Q: Does the mind create the body?
A: The answer depends on what you mean by “the body”.
If “the body” in the question means “the body as we perceive it”, the answer is “yes”. And, not only is the ...
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5
votes
Accepted
Is Tinnitus caused by damage to the dorsal cochlear nucleus (DCN) or Auditory Cortex, which can be repaired?
Short answer
Sensory tinnitus is not caused by brain damage, but is due to degeneration of peripheral auditory neurons, and specifically the hair cells in the inner ear.
Background
Tinnitus can be ...
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5
votes
Accepted
Where exactly do Emotions and Feelings arise in the human body?
As far as we know, all the "thinking parts" are in the brain/central nervous system. That includes emotions and feelings, which are labels for certain cognitive experiences. Definitely not ...
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4
votes
Does the brain's architecture change while growing up?
Short answer
The brain is a highly dynamic organ that changes constantly through life. During adulthood, there is a general decline in the number of cells. Memory formation is generally thought to be ...
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4
votes
Accepted
What is the meaning of the brain scan of borderline patients?
This picture in her talk (which is very good, by the way) refers to the study about amygdala hyperreactivity - see below. Essentially the picture shows fMRI scan ...
- 391
4
votes
Success rates or reviews of Brain Working Recursive Therapy (BWRT), and number of sessions needed on average
Looking at the client testimonials on the website you provided it looks like it varies from 1 session to a few more. Like any other therapy it seems to depend on the client and problem being dealt ...
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4
votes
Why can't we use 100% of the brain in a certain moment?
Neurons are extraordinarily expensive to make, maintain, and use (Laughlin et al, 1998; Stone 2018). Half of a child's energy budget, and a fifth of an adult's budget, is required just to keep the ...
4
votes
Why can't we use 100% of the brain in a certain moment?
Unlike a computer, where the circuitry is information agnostic (it can represent anything digital), neural networks (both biological and artificial) are not. The organization of neurons (their ...
- 19.4k
4
votes
How much pleasure can brain endure?
Luckily there are not one but several brain areas that when stimulated call for repeat stimulation. That is a way how one can define pleasure, by the way. If stimulation of an area makes animal to ...
- 391
4
votes
Accepted
Converting human's memory into digital data
I am wondering whether converting someone's memory into digital data is possible or not.
Not today, but it is an active area of research.
One non-profit foundation, headed by computational ...
- 311
4
votes
how to train our brain to always use left part for thinking & deciding things?
Unfortunately this question is based on a false premise. Thanks for asking. The oversimplified view on brain lateralisation is so stubbornly persistant and it invaded so many meditation guides, self ...
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Only top scored, non community-wiki answers of a minimum length are eligible