Questions tagged [brain]

For creatures with a central nervous system, this represents the major organ of that system. For humans and other terrestrial vertebrates, the brain is housed in the head and encased in bone.

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2answers
71 views

Can we represent all objects in the universe in a small cube?

Imagine this. An alien culture needs the information of all objects that are present in the universe. Could a cube with an internal structure be constructed so that all objects of the universe can be ...
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10answers
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How big would the brain of an omnipresent being be?

There is a being who has been alive for as long as there has been life on earth. It has the ability to anomalously produce matter from its body out of nothing. Through the production of microfine ...
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How realistic are my neurons?

I am writing a book about anatomically plausible superhumans ( a new artificially created form of man ), which, in addition to incredible physical strength, should also be distinguished by incredible ...
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8answers
2k views

Can a person whose brain was 98% destroyed but then recreated maintain some of their memories?

TL:DR A brain is turned into mush, destroyed, then 98% of the organ is replaced with other brain tissue. Can that 2% account for memories shared between both brains? Can the brain remember things that ...
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1answer
153 views

Brain transplant or …body transplant?

From a surgery point of view, which option is easier, requiring less skills thus having minor chances of failure in the hand of skilled surgeons? -Transplanting a new brain in another body -Replacing ...
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2answers
124 views

How to bring a person out of a coma, mushrooms?

How to bring a person out of a coma when doctors can't cope? The man was dead for 2 hours. I was lying in the swamp water. He was taken to the hospital. The superhero, a biotechnologist, has healed ...
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1answer
138 views

Is it possible to create an alternate reality through intercepting neurons and creating artificial neuron signals like in SAO (Sword Art Online)

I have been thinking a lot about creating an Alternate Reality that would essentially allow you to experience similar or as close as possible sensations as if in real life, and I really need some help ...
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2answers
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How realistic is my idea of dividing the brain into several separate models?

Recently, I decided to work on scientifically plausible superhumans that would have to be quite different from ordinary people from an anatomical point of view and be many times smarter than us. So ...
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1answer
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How viable is my model of gapless neurons?

Recently, I have been writing about anatomically plausible superhumans ( a more advanced, stronger, and smarter human species that was artificially created and planted on a terraformed planet similar ...
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2answers
125 views

How could a false memory machine work?

False memories are often used on science fiction, so my question is how could this work? best answer: It’s ok for it to be solely theorized, but the most developed method will be prefered machine ...
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4answers
211 views

Without cellular-level aging, will brain eventually wear out? If so, how long it will take?

After lots and lots of work, team of biologists and computer scientists finally made what was deemed to be nearly impossible - a (digital) brain uploading and simulation system. Like every emulator ...
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3answers
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Non Invasive Matrix style BCI to directly read and stimulate brain?

Is it possible to have non invasive BCI that could be attached and detached to the head and not require surgery, while working like the "plugs" in the Matrix? If possible what would these ...
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20answers
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How do telecom companies survive when everyone suddenly knows telepathy?

One day a small meteorite impact occurred somewhere over the Pacific Ocean, and moments later a mysterious green glow sweeps across the globe at an amazing speed. All of a sudden everyone can hear ...
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3answers
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Plausibility of implants that hijack our emotions to improve human mental performance

Set in the near future (2030 A.D.): the Chinese government initiates a nationwide program aiming to create a new generation of people who are more objective and less prone to making stupid decisions ...
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4answers
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Throwing away muscle memory to make brain backups smaller. Would it work?

Overlord is the best 5-episode anime, as I only acknowledge the existence of episodes 14-18, the rest is gorehound edge bait I can only recommend to people who are still flaming about the titan CGI. ...
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Natural prosthetics

Many prosthetics work by receiving pressure from small movements and translating them into more complex movements. Ivan Davis for example has made himself a hand with full control of fingers which ...
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365 views

Could a species give birth to smaller babies than humans but have larger brains as adults?

I know that brain size is less important than structure and that human babies' brains are 27% the size of an adult's, but humans give birth to large brained babies. As a result, humans can't support ...
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If a disembodied mind/soul can think, what does the brain do?

In fantasy fiction, we often see that disembodied minds or souls can think just as if they were alive - eg in an afterlife or as incorporeal undead. In the real world, thinking and other mental ...
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10answers
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Proof for extracerebral origin of thoughts

In a world which to a visitor coming from our own world would appear to be identical to our own, the mental processes (thoughts, emotions, memory) do not occur in the brain. That is, memory isn't ...
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2answers
209 views

Is there a theoretical maximum to physical pain?

I'm imagining some form of torturer trying to maximise the pain of its subject, and what limitations (if any) would bound the amount of pain that could be caused. The brain can only process a certain ...
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Where can the brain be arranged inside the torso?

The volume of the human brain is 91-95% of the capacity of the skull, if you read my previous questions then you know that I need to avoid an excessive increase in the volume of the brain in the skull,...
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4answers
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How to increase the cognitive ability of the human brain without increasing the size of the cranium?

Graham is the joint brainchild of sculptor Patricia Piccinini, a leading trauma and road safety specialist. The humanoid creature they created is developed on the basis of many car accidents and ...
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Possibility of forced thinking [closed]

Would it be possible to electrically trigger the brain to do certain things? For example, if you shock a muscle in just the right place, it contracts. Could a similar practice be done on a brain to ...
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2answers
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What needs to be changed in the structure of the human brain in order to give it better multitasking?

The brain of a modern person can execute dozens of thought processes without overflowing. And parallel multitasking has a clear survival advantage. How do you need to change the human brain (if ...
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How to make communication between members of the collective mind?

According to the plot of my anatomical guide, superhumans created by me are sometimes able to unite into a single collective mind, while becoming a single superintelligent entity. The swarms of these ...
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5answers
349 views

Multiple “brain-backups” in the spine, how would it work?

Have you Watched Attack on Titan Season 3 Part 2? Then you can maybe look at this. The guy has so far been blown up, stabbed in the neck with a sword, and blown up again. So, why didn't he die? Well, ...
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2answers
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Can a human brain operate at temperatures lower than 36 degrees Celsius?

I have a character who is human but doesn't generate their own body heat, like a cold-blooded animal. Is it unfeasible for a human brain to be operating despite this?
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What brain parts and processes are most plausibly able to a second incorporeal brain-like organ?

One of the conceits of my world is that the brain takes advantage of some physical processes we don't fully understand resulting in an incorporeal brain-like organ called the Yau-body. Fairly early ...
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1answer
101 views

What drug could interfere with a chip hooked into your nervous system?

Say a character had a chip implanted within their brain (thank you to everyone who helped with that question) and wanted a drug to try and mess with the chip's ability to hook into their senses and ...
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1answer
185 views

To what degree can a human's perception of pain (or suffering) be increased?

Suppose we have some form of malevolent superintelligent AI (or whole brain upload, or alien, etc.) Assume that this entity intends to do everything in its power to optimise for the pain and/or ...
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1answer
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How to induce Mandela effect to the entire nation that machines are uprising?

Set in the 18th century C.E. somewhere in Europe with population of slightly more than 2 million, they are just starting to light up the streets using electricity and for the first time they gets to ...
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0answers
104 views

Communist brain, 5 people sharing one mind [closed]

Her: Greg I had enough of your sht! Why did you do that? What the hell was in your mind?! Him: our, our mind. That was just a stupid joke, forgive my stupid humor, but imagine if different ...
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Would a human brain with 50% fewer neurons but 50% more dendrites be as intelligent in modern society?

Suppose advancement in medicine and using cutting edge technology we could remove (halve) the amount of neurons in a healthy brain and allow the left over neurons to somehow grows extra dendrites that ...
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What system would I build for the human brain to be able to experience 400 years of earth time events in only 4 hours? [closed]

preferably need knowledge about brain-computer interfaces brain neural enhancement brain in a vat the novel SHADOWS by John Saul perspective in which you see the computer as the thing which allows ...
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3answers
226 views

How would a biological brain be updated with its digital memory?

In my story characters can go into perfectly simulated virtual worlds where their memories have been replicated down to the individual neurons and their protien structures. In these worlds time passes ...
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2answers
252 views

How can a sorcerer avoid developing a mental disorder?

It is an undisputed fact among scientists that individuals, groups, and peoples are subject to the same Darwinian laws of natural selection as plants and animals. Social Darwinism has proven that the ...
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How can an implant erase memories without causing irreparable damage?

The government has a procedure that employees undergo when working on special projects regarding experimental technology. These scientists are taken to a clandestine site where they will not be able ...
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Why would my species expose their brains through a glass dome?

The species I have created looks eerily humanlike, practically indistinguishable from human except for a reptile-like tail and an exposed brain. The top portion of the skull is replaced with a glass-...
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4answers
231 views

Could a creature evolve a cubic brain?

One thing that is fairly common amongst nearly every macro-scale living thing on this planet is the brain. The brain controls when creatures breathe, move, talk, etc., but the brains of said living ...
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2answers
114 views

Overclocking VR

Set in the immediate future, social network evolves with the advancement of 10G network and a major breakthrough in medicine. Giant tech companies raced to develop state of the art VR technology which ...
3
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1answer
111 views

Selectively Shutting Down Human Emotion

I ran across an article briefly describing a woman suffering from Urbach-Wiethe disease (UWd). UWd leaves calcification within the amygdala and in this case subject lost all sense of fear (this case ...
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3answers
245 views

How to keep the emotions when the brain-in-a-jar is connected to a cyborg body

Let us assume that Science has discovered how to keep a brain alive outside the body, that mind-machine interfaces are advanced enough to connect the CNS to electronic hardware and communicate ...
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2answers
131 views

Is it possible to convert electric signals into brain waves?

In my world i want people to live in digital world (something like the matrix or sword art online), and I'm not sure if things I wanna achieve are even possible. I'm talking about a computer who's ...
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2answers
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Is it possible to map the firing of neurons in the human brain so as to stimulate artificial memories to the amnesiac person?

As the title says, Is it possible to map the firing of neurons in the human brain so as to stimulate artificial memories to the amnesiac person? This is based on this similar question; Is it possible ...
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2answers
434 views

is there a scientific way to extract memory from a person brain into video?

Just as the title, is there a scientific or possible way to extract past memory from a person brain into some record such as video or visual player ? I know some theory say that it possible to ...
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3answers
94 views

Adverse effects of reduced food variety on microbiome

We often see, in Sci-fi, food being produced from, say, algae or yeast. What could be the effect of such a limited diet on the gut microbiome? Would there be any believable side-effect that would have ...
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Read the Memories of a Dead Man's Head

Assuming you could "read" the memories of a once living person, how long after death could you read the memories stored in the human's head? How long does it take for the pathways (dendrite, axon, ...
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4answers
225 views

How to prevent theft in a world where dreams are shared?

Say we can influence our dreams to a certain extend and are able to participate involuntarily in somebody else dream, I am wondering is there a way to prevent leaking important information such as my ...
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2answers
206 views

It there any conceivable way nanomachines could turn a brain into a semi-organic grey goo, preserving the individual's consciousness?

I'm working on a scenario operating on Clarke's Third Law, with nanotechnology percieved as magic to humanity, and I want to create a non-spiritual afterlife for humanity. My intention was to simply ...
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2answers
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How to connect Brain to computer? [closed]

I'm not talking about mind-uploading, but rather about connecting your consciousness to the computer to be able to live inside it.I'm talking rather about advanced bci, so you have all the experiences,...