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

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Are memories lateralized? [closed]

The left and the right hemispheres of the brain do not have perfectly symmetric functionality. For example, the left frontal lobe in most people processes language production whereas the right frontal ...
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How much information can a single neuron hold?

I'd like to know how much information (information that can be interpreted into thought by the brain) a single neuron can hold. I understand that memory allocation is a very complex and ...
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48 views

Why do we suddenly forget things, like PIN or phone numbers, that we've known for years?

Is it common to forget a 4 or 5 numeric code which has been used extensively for months and well remembered? There's an article on the guardian describing this phenomenon and by the number of ...
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Is an Eidetic Memory (or other unusual forms of memory) less susceptible to anterograde amnesia?

I'm a physicist, so as a fellow scientist I want to apologize because this question will be entirely based on anecdotal inferences and I am well aware how irritating that can be. I have an eidetic ...
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What happens once a brain is full?

I just read the answer to this question, and it got me thinking... If the human brain (or any other brain) has a finite amount of storage, what would happen once the brain has taken in its maximum ...
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How long does it take for memory to disperse after death?

1: There seem to be cases where coma patients with a non-active brain (i.e. flat EEG) have regained full consciousness. => Apparently memory and knowledge are stored independent of brain activity. 2: ...
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30 views

The use of proteins in memory creation

I have very limited knowledge of how the human memory works as I think, at this time, most people do. However, I have been reading and some articles which say, and I quote the article just linked ...
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Do we really dream multiple time a night? [closed]

So Ive heard that when we sleep for a good 8 hours we dream quite a few times? But we only remember very little of them if any, is this true? How is it known that multiple dreams occur if most of them ...
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38 views

Do vitamins help our memory?

It is commonly believed that vitamins can help our memory. Is this really true? What is the biological basis of this? Is there any specific research paper on the subject?
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149 views

How to design an experiment with scent triggered memory recall in humans?

I've recently learned that scents can trigger memory recall in humans, and am thinking about setting up an experiment where I would attempt to induce memory recall through exposure to scents. In ...
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Can 'hardware' thermalization explain memory decay?

Often we are able to memorize very precise bits of information (exact addresses, birthdays of inlaws, number of dirty socks under the bed), but over time our recollection tends to become fuzzy. We no ...
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37 views

Recalling memories by electrical impulses?

I've read that in an experiment, a pair of stimulating electrodes were inserted into a blind man's visual cortex, and upon passing electricity, the phosphene phenomenon was produced. Is it the same ...
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How big a change will you see in your sleep/ natural REM sleep cycles when you take Acetylcholine agonist drugs? [closed]

When drugs such as Donepezil and Huperzine A are ingested, they travel through the blood stream, finally reaching vital neural receptors. Drugs like these inhibit the acetylcholinesterase enzyme ...
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33 views

Why are dreams sometimes remembered and sometimes forgotten?

Why is it that sometimes, when we wake up, we are able to remember what we were just dreaming, but sometimes we don't remember any of it?
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102 views

Molecules and human memory

Has it been demonstrated that the memory of human brain is just connections between neurons, not "long" molecules such as RNA or proteins?
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74 views

How do we memorize something?

When we see something, how and where in the brain do we remember it and are able to recognize it later? What happens in the brain that makes this possible?
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718 views

Is it possible that the recipient of a heart transplant would display some of the donor's personality traits, as if the heart has memories?

I've read somewhere that after a person has a heart transplant, it is possible that his/her attitude, action or behavior would change slightly or significantly, as though he/she possesses some aspects ...
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157 views

Evolutionary explanation to why we have such large memory capacities?

The scientific consensus is that no one ever fills up their memory capacity by learning facts and so on, even in the information age. My question is therefore, is there an evolutionary reason as to ...
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195 views

Salmon returning to lay eggs

To spawn, salmon return to the river in which they were born. Is it because the individuals remember the specific river, or because populations are genetically conditioned to follow specific ...
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Can rats pass on memories of a maze to their offspring?

A friend of mine told me once about a documentary movie he saw some years ago. On this movie he saw scientists talking about particular experiment. This experiment involved rats and probably ...
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264 views

How old does a baby have to be before it can retain memories?

For most people (my earliest memories are of perhaps when I was 2 or so) their earliest memories would be when they were over a year old. How old does the average baby have to be before it can ...
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327 views

Long-term-potentiation and memory. Where do we stand?

I was reading the answers to the question: How and where, in the human brain, are memories stored? and, as expected, LTP and LTD came out. Every time I read about LTP/LTD there is always something ...
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How and where, in the human brain, are memories stored?

Background I am a computer programmer who is fascinated by artificial intelligence and artificial neural networks, and I am becoming more curious about how biological neural networks work. Context ...