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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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15 views

Dragon shapeshifting and memory mechanism

Dragons are biologically immortal creatures that have evolved the most versatile sexual reproduction in existence, they can morph through a cocoon into any other species from the animal kingdom that ...
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1answer
59 views

Visual Cortex, superficial Brain Implant - Biological feasibility

In another question Everybody has a brain implant. What measures can a criminal take to escape justice? I assumed that a brain implant would be possible in the future for surveillance. In this ...
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11answers
634 views

Everybody has a brain implant. What measures can a criminal take to escape justice? [on hold]

In the future everyone has a government implant placed in their visual cortex at a young age (let's say 8 years). There is no choice about this - except of course for the Big Leader's immediate family....
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4answers
1k views

Adrenaline-fueled cognition

So, I'm currently toying around with the idea of a hypercarnivorous sapient race on a planet in my universe, and I'd like to make them scary, but without abiding only by the "rule of cool". (Also note ...
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3answers
174 views

Could a human brain downloaded into a robot have feelings? [closed]

Some of you may have seen the miniseries "YEAR MILLION" by National Geographic. It is a glimpse of how life will be in the future (despite the title, they don´t say specifically how many years from ...
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1answer
96 views

Ensuring Continuity of Consciousness When Transferring The Mind Into A Computer? [closed]

I had an idea for a world where brain uploading is a thing, but I have a problem. Besides slowly replacing the brain itself with nanobots and the like, what's the best way to make absolutely sure ...
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11answers
463 views

Is it possible for a character to live 17 million years?

I have a human character who had his mind transferred to a computer via a method where his brain was gradually replaced with digital parts to preserve his consciousness. (Depending on your view of the ...
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2answers
171 views

Can our brain access other dimensions/universes? [closed]

Following the Multiverse theory and a possibility that multiverses do not differ much when compared with one another, can we explain a person accessing thoughts or vision from a different multiverse? ...
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12answers
3k views

How to explain why a mind reading superhero doesn’t hear everyone’s thoughts all the time?

So, in my story, their is a Superhero called “Mind Quad” aka John Paul “JP” Stevenson, a college dropout. Back when he was 23, a radioactive brain tumour nearly killed him, but thanks to an ...
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1answer
121 views

How Mind Uploading could be done without being invasive?

The timeline in the 22nd century section of FutureTimeline.net says that the brain will be replaced by robotic components until the brain is entirely artifitial and then be transplanted into a robotic ...
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1answer
39 views

Difficulty using an FMRI scanner with alternative neurochemistry? [closed]

FMRI machines are commonly used to allow direct observation of brain activity, and can be used for non-human animals. However in the case of an alien from a different planet, it's unclear how ...
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3answers
171 views

Massive Brain-Computer Interface devices

The world in my story is going past the smartphone era. To replace smartphones people wear a small device like a headphone. The device is not intrusive to their brain, it has nodes that read brain ...
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1answer
114 views

Body switch justification [closed]

The scenario is simple: A man switches body with another. Social implications are not the issue here, but the "collateral effects" of body switching. The Ghost Brigades is a book that touches in this ...
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8answers
1k views

Can the future theoretically be predicted through analyzing the exact patterns of the universe? [closed]

My neuroscience is a little fuzzy, so bear with me. If your wondering how this ties in with world building, it's for a science fiction novel I'm writing, in which there is no magic. I am hoping to ...
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2answers
272 views

Can you use VR on comatose patients to let them dream?

I have this sci-fi story concept where patients in a comatose state can have their brains stimulated with VR. For instance, the VR can be a dream "game" that helps the patient process trauma. I can ...
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0answers
97 views

Can the level of pain be measured? [closed]

Because of a recent question I ended up reading through the Painkill-discussion on meta and in the linked question the_OTHER_DJMethaneMan wrote in a comment Is there a way to "rate" the "level" of ...
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3answers
104 views

Could there be a way to explain a sound wave (produced by a device) that can control people's actions?

This isn't the same question as the one about a Sound Gun, although it could be viewed as a weapon, for sure (because controlling someone could be a form of weaponization depending on the action). ...
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16answers
6k views

Effects of immortality on human brain and consciousness

I'm writing a story that features modified humans that have a very long lifespan/ practically immortality. Immortal characters in fiction aren't exactly rare, but I want to write something more ...
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1answer
166 views

How would nanobots, once digested, make the neural connections in the user's brain that are needed to learn facts?

Due to advances and growth in science, math, history, literature, and other subjects typically taught in schools (K-12), the standard curriculum takes too long to complete, not mentioning post-...
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7answers
465 views

Virtual Reality and Physical Trauma

How realistic is the trope that wounds received in a virtual reality (VR) transfer to our own? Examples: In the Matrix (movie) and Neuromancer (novel), cuts, scrapes, and bruises seemingly jump from ...
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1answer
178 views

Would it be viable to have a pre-wired brain rather than one that is soft-wired or hard-wired?

(Edited question to meet concerns) The Problem Can you create synthetic biology that can be installed temporarily in human DNA to give people skills at birth, or are there problems, risks and ...
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3answers
107 views

Probing neurons to map someones brain

Could you map out all the connections in someones brain just by probing every neuron and tracking them as they send signals to each other (as opposed to every synapse, a much less ambiguous but far ...
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3answers
51 views

How to overcome transferring information over mental link that changes specific details?

There is a world not too different from our own, at a technology level not too different from our own, with a population similar to our own. Recently, scientists have discovered (by chance in an ...
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1answer
205 views

Is Brain a Quantum Computer [closed]

I read somewhere that brain is a quantum computer and is actually capable of accessing multiverse. Is this possible?
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3answers
149 views

Neurological supercharger out of thin air

Some speculation on a neurological supercharger for a sapient alien species: The supercharger is a natural biochemical compound of some sort produced and stored in a specialized brain-adjacent organ....
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1answer
128 views

How would mind transfer work and how many minds/memories could a brain hold? [closed]

Many science fiction stories feature the concepts of mind uploading and consciousness transfer. Let's assume that the personalities of the two people in one mind function sort of like dissociative ...
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2answers
145 views

Single medical condition that causes hallucinations and bursts of short term memory loss

X sees hallucinations of a person A who he does not recognize, the hallucinations are constant (A follows X around all day) Simultaneously, X has bursts of memory loss, where he cannot remember up to ...
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4answers
140 views

Can you 'move' a person from his brain elsewhere? [closed]

Bob and Joe are friends. Joe decides to move his life to a virtual reality, and invents a device that copies his brain to a [very advanced] computer (killing his biological body and brain in the ...
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8answers
6k views

Can a rational creature have a series of small brains instead of a large one?

My question is not human-specific. I found this question that mentions that a brain have more neuronal complexity; I deduce it is more efficient (in terms of neural communication and energy use) to ...
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5answers
337 views

What's the Optimum Shape for a Radially Symmetric Brain?

I think the idea of radially symmetric alien organisms is really exciting in the questions it raises about function and design. For those who don't know, humans are bilaterally symmetrical. If you ...
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3answers
157 views

Rehab/ Recovery for Brain Transplant

What would rehabilitation/ recovery look like for someone with a brain transplant (assuming all the right nerves were properly connected and the like)? Would a person have to relearn everything if the ...
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1answer
137 views

transferring consciousness from one person to another person? [closed]

Is the transferring of "consciousness" from one person to another person is possible if a brain transplantation is possible ? Is it possible to pick memories from the brain by using EEG?
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9answers
4k views

How close are we to eternal consciousness?

A common trope in cyber punkish sci-fi is the ability to upload a human mind to some storage device or AI. This of course grants practical immortality but it is also the main hurdle for tropes like ...
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1answer
637 views

Memories stored in hair: social and cultural consequences [closed]

Imagine a world where we stored our memories in the hair on our heads rather than in our brains. What social and cultural consequences could arise from this? Some details about the memory storage: (...
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4answers
567 views

How would a decrease in intelligence as a punishment be carried out?

An ideal punishment for evil scientists or geniuses would be a judicially mandated, deliberate decrease in intelligence. Let's say that a judge ordered a person's IQ to be decreased from 200 to 110. ...
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1answer
235 views

Split-brain double identity

My character have a split brain (severed connection between left and rigt hemispheres). What is unique about his case is that not both hemispheres have the same identity any more. From what I ...
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6answers
6k views

The Physiology of people living on a world with 9 year days

I have a world with days lasting 9 years. The inhabitants of this world have taken to migrating across the globe to avoid the deadly night, keeping themselves in a sweet spot. One of the biological ...
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4answers
337 views

Is there a possibility for an AI to download someone's brain via USB stick?

As you can see, the USB stick is extending from the possessed robot's finger. The USB stick extends its way straight to the person. If it touches the person, then it'll download the person's ...
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12answers
3k views

Technology that steals memories

There is a device in my story that »steals« memories from a person (I had some sort of transmitter in mind, but this can easily be modified, as long as it uses powerful long-range signals to achieve ...
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4answers
169 views

Multiverse Premier League [closed]

My parallel universe has the speed of light set at half that of Earth's (1.5*10^8 m/s). How would a Badminton player (P.V Bindu) from Dearth (my universe) fare against a player (P.V Sindhu) from ...
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5answers
1k views

Discovering an AI in a human body

Our AI in question inhabits a synthetic brain housed in an organic and genetically modified human body (With a few other cybernetics). This body/brain combination was the result of a black project ...
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5answers
3k views

What brain resources are needed per limb?

I have previously asked this question about the plausibility of large six-legged creatures, but I decided to split it into several more specific questions because of the advice here. I want to first ...
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3answers
301 views

Brain within a brain, plausible? [closed]

Okay, let me clarify. This question has to do with my aliens and how they hear. My aliens have 3 antennae, a left antenna, a right antenna, and a central antenna. Each antenna has 3 sets of sensors. ...
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3answers
805 views

Could a human receive an eye transplant from other animals?

So one of the aspects of my science fiction world is genetic manipulation and modification of humans by one of the factions. I am wanting to have a subset of humans who receive a single eye transplant,...
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3answers
279 views

How fast could you run a human brain?

Accelerating a person's perceived sense of time is a fairly common subject in science fiction, and to keep a long story short, I was wondering just how far you could stretch time out when you're ...
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5answers
2k views

Psychological impact of being immortal

Imagine a meta-human, one engineered to be immortal. A combination of cybernetic enhancements, genetic engineering, and other scientific modifications have made it so this human will not die from ...
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4answers
607 views

Can a species without uniform brain function time survive?

The magical species Zartika living on planet NB-8723D has organisms whose brains function at different speeds. All have almost the same physical body, but there lies some difference in their brains. ...
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3answers
216 views

What would make telepathy and clairvoyance scientifically plausible?

I'm looking for a hypothetical scientific discovery that would make both things possible. I'm just looking for the most plausible scenario.
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2answers
142 views

Maximum capacity of Parrot-sized Brain

After hearing about Alex the African Gray Parrot, and knowing how intelligent ravens are, just how smart could a brain of that size become? I would like to limit the responses to current known or ...
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4answers
321 views

Anti-concussion brain gear?

Say you were to implement in the cranium, a series of baffles (similar to the system used in an airplane, to prevent the fuel from sloshing around). And arrange them in such a way as to partition the ...