Brain Definition and 740 Threads

I think this refutes the standard picture since if ylour universe would just keep expanding we should be a Boltzmann brain. https://en.wikipedia.org/wiki/Boltzmann_brain https://arxiv.org/pdf/0802.0233 I would bet on the "big rip" (dark energy getting stronger) since that would also resolve...

My question on neurons and memory.

Hi, I’m an undergraduate student interested in cognitive processes. I’m about to ask a very interdisciplinary question, and so hopefully I can find a physicists that can take on the challenge. What is the fundamental reason behind why modern electronic computers (transistor computers) are...

Summary: A wood frog can freeze and then live again. What happens with the frog's brain, memories, etc? It is known that wood frog can freeze and subsequently resurrect and live on. Are any ideas about the personality after defrosting of frog? I mean this frog is technically dead more than a...

I've been wondering this for a while. It's usually noisy in my day to day environment so I usually play music in my earphones to help me concentrate, sometimes for hours. Would there be any negative effects to this besides loss of hearing? I feel as if music may overstimulate the brain though I...

Very cool paper just out relating fractal geometry to the representation of natural images in visual cortex. The main argument is that brain's representations are as high dimensional as they could possibly be without becoming fractal. https://www.nature.com/articles/s41586-019-1346-5 I'm...

Is it possible to solve the problem of which quantum mechanical interpretation is true, by sending the brain super imposed quantum mechanical signals. The individuals, perception of the signals, could identify which interpretation is correct. Could, an experiment of some sort be formulated with...

Scientists described using information from brain recordings to generate understandable speech in a proof of principle study. Invasive recordings of brain activity normally involved in the production of speech sounds, at the level of controlling muscle movement, have been associated with the...

https://www.sciencetimes.com/articles/20421/20190418/scientists-discovered-where-anesthesia-works-on-the-brain.htm?fbclid=IwAR3K6nkqpsFpHa27b-fulBZup2xO8FjmuZpHlMQ7lIyDJhgeNoZJvO1gliI In a new study published online in Neuron, scientists believe they have discovered the part of the answer. A...

The brain receives a lot of visual information some of which is redundant visual information. I am imagining it like the brain receiving a 1000 pixel wide by 1000 tall image of a road. The brain has received 1,000,000 bits/pixels of information. I am assuming the brain doesn't need all that...

Something a zombie would ask, or a co-worker looking to mine your brain for ideas? I thought pick your brain refers to mining, but my "comedic" retort of "you'll find no gems." fell flat lol, with a "I don't want to mine your brain." Maybe I'm a better poet than comedian 😀

We need quantum physics for cognitive neuroscience ?

I am fascinated by Einstein’s quote that the most unbelievable aspect of the universe was that it was intelligible. So my question is does anyone know whether it is so unlikely as to be absurd to suppose that random unguided processes could produce a rational brain in man in as little as 3...

My name is Chad and I am a senior level undergraduate Electrical Engineering major. I have an interest in physics as well and am doing undergraduate research currently on semiconductor materials that can convert beta particles into electrical energy. I am knowledgeable in the area of EM waves...

i read somewhere the body replace itself every 7 years. does the brain also do this?

Biologically speaking, why I'm not a cell in my brain, or just heart, I'm me as a whole. How lucky was I to be myself as a whole, not just another cell inside my body?

Brain cells from Alzheimer's patients have been found to have modifications of the amyloid precursor protein gene which forms plaques in the brains of people with Alzheimer’s disease. The modifications were duplications, partial deletions, and changes in sequence. This can result in multiple...

This article discusses some findings. The findings show a possibility: gut bacteria may coexist in the brain tissue of mammals. Humans are mammals. There is room for skepticism in the endeavor so far. Example: contamination of cadaver brain tissue samples. The reason for this position on...

Does glioblastoma, as the name suggests, affect only glial cells, or does it also impact neurons as well? Why does it spread so rapidly and effectively? And what modifications need to be done to the Zika virus to make it more effective at battling it?

MRI or other scanning techniques show how particular parts of the brain 'light up' when particular mental activities are going on. But then the video and sound of TV sets also depend on the patterns of electrical activities inside it. So different circuits are involved in images and sounds...

Hi, I am wondering if there is any brain exercises(possibly free) to do to make my brain more mentally fit and as best as it can be for myself. I want to exersize everything or all areas, making my brain balanced in every erea, specifically to improve memory and/or shot term memory to start...

I have a PhD in Molecular Neuroscience but am working on something that requires knowledge of electric field distribution in the brain. I understand that electric field intensity (V/cm) is E=(V1-V2)/d in a theoretical model (between 2 infinite plates, that are parallel and equidistant through a...

I'm creating this thread for those who enjoy puzzles, riddles, etc. If you have a fun brain buster share it on here or comment on other's posts. If you post a question, put the answer under a spoiler tag. If you've solved the puzzle please do not post the answer. Thanks! EDIT: Please don't...

A group of scientists have assembled transmission electron microscopic (EM) images from the serially sectioned brain of a female fruit fly (Drosophila melangaster, a model research organism) to make a database of the detailed structure of its brain. Z. Zheng et al., “A complete electron...

Susan Pocket claims that part of the electromagnetic field of the brain is consciousness and that conscious qualities such as a red car are spatially patterned electromagnetic fields. She also claims that the quantum spatial scale is irrelevant. Intuitively it seems to me Quantum electrodynamics...

I am interested in consciousness and it’s material basis - in the brain, we presume! I’m interested in whether or not part of the electromagnetic field of the brain is consciousness as claimed by Susan Pocket and various others. She claims that the conscious qualities we see such as a red car...

I was playing a game of running (Need for Speed Underground) and was the second time that I thought how to determine the speed of the brain or the speed of the thought. I was running to more 200 km/h (you guys use mph, I'm from a country that uses km/h). And I crashing a lot with more 200 km/h...

Is it a mainstream agreed fact that our brains can only grow or we became smart only if we have regular exercise? Meaning if you never exercise.. your brain can't be optimal and you would have difficulty understanding physics and math? What kind of exercise do you do? I heard it should be...

I was wondering if there is anyone in the world that has had a side of there brain completely or partially removed and still be considered conscious? And if so is there a difference removing the left or right side of the brain? Like if you remove the left part of the brain are they still...

I'm working on a project and I've been doing research about memory recall and I haven't found a lot of info on it. I've found info on how memories are formed. A study talks about how memories form in different parts of the brain and play back like a streaming video...

One of the most ambitious programs in all of neuroscience, the Human Connectome Project, has just yielded a “network map” that is shedding light on the intricate connectivity in the brain. Join leading neuroscientists and psychologists as they explore more on the project.

https://www.msn.com/en-us/health/medical/adults-can-make-new-brain-cells-even-in-their-70s/ar-AAvvLHZ?ocid=spartandhp Whether or not adults make new brain cells has been a constant topic of debate. A new study published today offers hope for our aging brains with the discovery that adults...

Hi everyone Are brainless animals such as jellyfish and starfish capable of learning (for example by classical conditioning)? I would have thought not, but apparently there are plants that are capable of learning...

Now I am thinking about a pink Elephant, Does anybody understand what is the chemical substrate for an idea? How do neuron work? IS that understood? Can anybody recommend me a book from 2017 or 2018 where I can learn about it. What have been the latest neurochemistry findings? What is the...

http://www.news.com.au/lifestyle/real-life/news-life/lotto-winner-kills-himself-after-losing-the-winning-tickets/news-story/56f0b192b22d6ebb4d3906a9f65b5211 What is the brain circuit responsible for this behavior.. for example.. a person used to be happy, then one day he won a lottery then...

Here is a Science mag news story about several studies using a large, internationally gathered, set of brain scans (MRIs). The large numbers of data sets allows for statistically meaningful numbers of cases with similar problems, diseases, or genetics to be compared. Some unexpected findings...

Some people claim that they have two mother languages. This seems to me very strange. Is it reasonable or scientific to have more than one mother language? As far as I know, mother languages and foreign/learnt languages belong to different parts of brain. One of them was a immigrant family...

Hello! I don't really know how High School ends in other countries but in Sweden it ends with an examination project depending on the programme you've selected. Anyhow we were free to choose one research topic that is related to mathematics, physics, biology and chemistry. I choose the brain...

Here is a photo of two surgeons after a 32-hour long successful surgery to remove a set of brain tumors. https://www.sunnyskyz.com/good-news/2274/Two-Surgeons-Collapse-On-The-Floor-After-32-Hour-Surgery

This Science magazine news article describes several recent successes and the technical advances that helped them along. One important advance was finding better viruses that could pass the blood brain barrier and infect more specific sets of cells by screening through a bunch of samples from...

I have read differing arguments about the potential utility or negative issues arising due to AI. There are many concerns about the 'control problem' of AI or how to 'sandbox' AI so it can serve our interests and not let a fast takeoff of AI lead to a situation where AI is the sole power around...

Stupid question: I have the following pipe configuration: Working fluid = ambient air Pipe1 = 6 inch ID x 24 inch length Expansion1 = 2 inch length Pipe2 = 8 inch ID x 2 inch length Fan1 = assume 200 CFM @ 2860 rpm, 0.05 inH2O Contraction1 = 2 inch length Pipe3 = 6 inch ID x 12 inch length...

Eugene Wigner once famously talked about the "unreasonable effectiveness of mathematics" in describing the natural world. Today again we are seeing this in action in particular with regard to the description of the biological brain from the perspective of neuroscience. Researchers from the Blue...

What does this mean, and is it true?

So I put this question in this category because i think it might be too much on the medical/neurological side than on the general discussion , if i did a mistake sorry The question can be made in another way: do i create links between my neurons in my brain that i can use as i watch pros while...

If I am my brain and my brain makes me consciouss, then if i die and supposedly someone will make the EXACT copy of me with my brain, then logically the copy should be ME and i should be consciouss again. What do you think?

Hello all, Does anybody here know whether the double-slit experiment has been conducted with a split brain patient as observer?

I suspect this is either amazing, marketing manipulation or crackpottery? "Scientists studying the brain have discovered that the organ operates on up to 11 different dimensions, creating multiverse-like structures that are “a world we had never imagined.”...

Currently reading the following document which is a bit of a brain overload at the minute! Im considering Equation (4.61). It is the general relativistic correction due to the Schwarzschild field for a near Earth satellite when the parameters \beta, \;\gamma \equiv 1. However, as you will...