Questions tagged [memory]

The processes by which environmental information is encoded, stored, and retrieved.

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Is there any research on episodic-like memory in reptiles?

I've been studying the area of episodic-like memory in non-human animals and our old reptile cousins seem to be really underrepresented (or not represented at all). Is there any research that I am ...
mandra mithra's user avatar
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Is there such a thing as 'genetic memory'?

I have come across the concept of genetic memory in two books I recently read: In the book 'Call of the Wild' by Jack London, a dog called Buck has memories of a primitive hairy man who presumably ...
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How many of their caches do chickadees retrieve?

Chickadees are scatter-caching birds and I've heard they can hide as many as 10,000 seeds for retrieval over the winter. How many of these cached seeds actually end up getting used in a typical winter?...
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What is the definiton of repertoire shift in B cells?

I am new to biology and trying to understand this term. Couldn't find a comprehensive defintion. Thank you
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When recalling the same piece of memory in different times, are the brain activities different?

When we are thinking about the same piece of memory in multiple different times, would the corresponding brain activities always be the same? Or how similar/different can the corresponding brain ...
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Can we decode memories?

Premise: I don't have a strong background in neuroscience or human biology, so I would ask you to answer like you would at a 5 years old child. I have done a couple of research on the web, as well as ...
Anthony's user avatar
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Could eidetic memory be related to glial cells?

I am a plasma physicist so I apologize in advance for my biology ignorance. I recall from a neuropsychology class I took in college (used Lezak, Howieson, and Loring, 4th Edition) that there are ...
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Difference between Processing and Preprocessing

In the wikipedia article of emotion lateralization it is mentioned: The right hemisphere is important for processing primary emotions such as fear while the left hemisphere is important for ...
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What percentage of the brain is memory | Storage of thoughts, episodes

I was reading the article, in which it is mentioned that human brain constitutes 2.5 petabytes of memory. This made me wonder how much of the brain is associated with memory itself. If we categorize ...
gfdsal's user avatar
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If the Brain can store as much information as a billion hard disks why cant i memorize a single word document of random letters?

I read a lot of articles on this and all seem to agree that the brain storage in neural connections is tremendous but that doesnt explain why we forget things so easily and have such a modest memory ...
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A question concerning the strength of synapses

Synaptic strength can be defined »as the average amount of current or voltage excursion produced in the postsynaptic neuron by an action potential in the presynaptic neuron« Synaptic strengths and ...
Hans-Peter Stricker's user avatar
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Can wood frogs who have frozen and thawed remember their past lives?

Wood frogs (Rana sylvaticus) can survive being frozen for up to 7 months at temperatures as low as -16 °C. Their breathing stops, their heart stops and all signs of life disappear. (Source) I have ...
James Newton's user avatar
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How can different ion channels of the same type have different cell responses?

The NMDA receptor is an ion channel and contributes to synaptic plasticity and memory. It is said that calcium ion flux through the receptor is critical for this mechanism. However, there are other ...
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Can the natural loss of memory be modeled with a continuous function?

Disclaimer: I have little to no background in biology, so this question is based on anecdotal evidence. I've tried to spell out all of my suppositions, but please let me know if I'm making any leaps I'...
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Do hornets remember and recognize a human? Do they have any (kind of) memory?

hornetology So it happens that a hornet (vespa crabro) flew inside my house today and now is being held in a plastic container (I made some holes to let it breathe). But it also happens not just this ...
Lil'Lobster's user avatar
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How to find the age of a memory stored in the brain?

Is there any way to find how old one's memory is? One can find the age of stones, plants, animals, etc. So why not find the age of a memory stored inside one's brain?
Priyanka Wadher Mistry's user avatar
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What do memory cells actually do?

So I know that memory cells "remember" the most efficient way to kill a pathogen should it show up again... but what is the mechanism by which memory cells become activated by the second contact with ...
Ben Hughes's user avatar
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How does the brain’s limbic system work together to form a working memory, short-term memory, and long-term memory?

In the past few days, I was reading about the limbic system and how its components (hippocampus, hypothalamus, thalamus, etc.) cooperate. Among papers and forum posts I read about how those ...
iliyan tanev's user avatar
3 votes
1 answer
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Neuroscience of confusion

How does (neuro)science characterize "confusion" that occur to "healthy" persons when engaged on a particular mentally-intensive task? I would exclude the case where we are rationally and with clear ...
DurgaDatta's user avatar
3 votes
1 answer
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Does the brain store information and personality traits in different areas?

I'm aware that muscle memory, language etc can remain largely intact after brain injury that impairs other forms of memory, suggesting that different kinds of memory are stored in different places in ...
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Can memories intentionally be overwritten, or forgotten?

Over the years, I've come across studies (e.g., here, here, and here), and have watched documentaries (similar to this), that speak about memory retrieval, and how that, every time you recall a memory,...
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Does human brain store duplicate data?

There are several answers and articles about how the brain stores data, but none specifically cover whether a human's brain stores duplicate data. I was reading in this article that a human brain can ...
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How would you identify the independent variable in an experiment where it isn't specified? [closed]

I know that the above question is broad, but I specifically want an answer in terms of the following investigation - all of question 3 (ONLY) of this paper. The independent variable, according to ...
Mathematician's user avatar
6 votes
3 answers
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How do place cells switch their response patterns when the subject moves to a different environment?

So I understand that place cells form a map of each environment the subject has been in and responds accordingly in each environment. Question is how do they switch to represent a different ...
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What are the advantages of forgetting?

How forgetting things is helpful for the brain or the human body biologically? This web page After some moment of being rude, selfish, or weak, either we are able to put it behind us, or the person ...
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Does one memory cell take part in different memories?

Does one memory cell take part in different memories? For example, both in the visual memory of a bird and a monkey?
Deschele Schilder's user avatar
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Is the information in the brain stored in the connections rather than neurons?

Can I imagine the difference between the model of the grandma neuron and the model of interconnected neuron network so that the information isn't primarily stored in the neurons (respectively in their ...
Probably's user avatar
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How is the beginning of an episodic memory encoded in the brain?

before asking how information is stored, I need to understand how does episode start and end are determined by the brain ? how do i remember a movie ? can you suggest a link to article addressing ...
BNR's user avatar
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How many neurons are stimulated by electrodes in memory engram experiments?

Researchers have recently identified "engrams" in the mouse hippocampus, "sparse populations of neurons" or "small clusters of cells", stimulation of which elicits a specifically trained fear memory ...
David Lewis's user avatar
1 vote
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Are memory updates local in mammals?

What I mean is, during long term potentiation (LTP) or long term depression (LTD) for a particular memory, do the strengthening and/or weakening of neuronal connections only occur in a small patch of ...
SorcererofDM's user avatar
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442 views

Memory capacity of the human brain in bytes? [closed]

Is there an estimate out there for how much memory (in bytes) an average human brain can have? Is there a physical limit?
user52619's user avatar
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Does my brain have limited learning capacity or memory?

Lately in my free time I like to read books, articles etc etc.. What I have discovered, or maybe it is an illusion(lack of concentration or something), is that I usually forget most of the material ...
JovanIvanoski's user avatar
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Does the creation of memory involve mRNAs crossing the synaptic gap?

There is a diagram from a book titled "Teaching with the brain in mind". The diagram shows The diagram appears to show that the "creation of memory" involves "messages coded by RNA" moving through ...
user2108462's user avatar
5 votes
1 answer
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Does Alzheimer affect more than day-to-day memory?

I know that Alzheimer's damages a part of the brain called the hippocampus, which has a central role in day-to-day memory. But, could it affect also on things in other memory centers, things such as ...
0x0584's user avatar
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Are fishes evolving?

As far as I know, Fishing has been one of the important occupation since early ages, and infinite number of fishes have already been captured. As the time passes, they must've developed some sort of ...
Snazzy Sanoj's user avatar
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Access and decay time of long-term memory

As for STM (short-term memory), access time is 70 ms and decay time is 200 ms. Is there any calculated time for LTM (long-term memory) also? And does LTM really decay with the passage of time?
jklm's user avatar
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Limits of brain neuronal spatial mapping

It is being claimed that brain maps the world space in (roughly) 1-to-1 correspondance of a place to a neuron (link1, link2). My question is: as the mapping happens in 1-to-1 manner, then is it ...
noncom's user avatar
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How long a dog can remember its owner's smell?

Can dog remember multiple smells? and how long it can remember a smell?
Muthu kumar's user avatar
9 votes
1 answer
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Do butterflies pass over migration patterns to their offspring?

So, earlier, I read online (http://io9.com/butterflies-remember-a-mountain-that-hasnt-existed-for-509321799) that Monarch butterflies veer east during their southward migration to avoid a mountain ...
Kelsey's user avatar
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11 votes
1 answer
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What kind of memory is "keyboard/keypad memory"?

I work in IT and I have observed many people who cannot remember their iPhone passwords or computer passwords off the top of their head. However, if presented with a keyboard or a phone with a ...
yuritsuki's user avatar
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classical conditioning paradigm for hippocampal learning

I wanted to know what a suitable classical conditioning experiment would be to analyze learning and memory capabilities in rodent models with respect to hippocampal long-term potentiation. For ...
Curious's user avatar
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1 answer
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Oscillatory electrical system using a chain of neurons

Many daily activities that we perform are result of inbuilt oscillatory circuits in our body. For example walking, breathing, heart beat, blinking, etc. The coding and decoding of stored memory also ...
9Heads's user avatar
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1 answer
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Energy consumption of a resting synapse

What is the energy penalty of maintaining rarely used synapse? I'm wondering if forgetting is cheaper than remembering unnecessary details.
ikaruss's user avatar
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3 votes
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Is it possible that weak memory is due to interference between signals in the brain?

"Weak memory", as used in this question, refers to the inability to retrieve a memory that a person otherwise knows he has memorized earlier. An example of this is some fact snippet that the ...
user avatar
5 votes
1 answer
561 views

What actually are thoughts? [closed]

The human brain consists of neurons that transmit impulses like wires that conduct electricity.I am confused about where are our thoughts stored and what really are thoughts? For example if I think ...
Abdullah's user avatar
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Is it a medical condition to not able to recall the word in a language while having a conversation [closed]

While having a conversation it happens to some peopl that clearly they know there exists a perfect word to be used but can not recall it during the conversation in real time and hence forced to use ...
Talespin_Kit's user avatar
0 votes
1 answer
113 views

Can memory be improved with mental training? [closed]

I am a man in his mid thirties, but I already have a pretty bad memory. (I have always had a bad memory.) I can remember certain kinds of facts and music very well, but when it comes to words or even ...
developer747's user avatar
8 votes
1 answer
2k views

Can a human acquire a memory of an animal? [closed]

I would like to know if it's possible for a human to acquire an animal memory. I mean, animals store their memories in their brain, right? And so do we, humans, store our memory. So, is it possible ...
ShadowRealm's user avatar
3 votes
2 answers
1k views

What are limitations on the number of objects the eye determine at a glance?

Take two people Sam (average human) and Jack. Jack says to Sam "I'm going to show you some skittles (or other object) and I want you to tell me as quick as you can how many I'm holding." He opens ...
Srb1313711's user avatar
3 votes
3 answers
4k views

Can human brain memory be removed by EMP?

The human brain is the most complicated human organ so it is hard to examine it completely but based on what we know do you think (or do you know from some source) if a human memory can be removed by ...
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