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

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Do we really dream multiple time a night?

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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32 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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60 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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43 views

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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12 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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41 views

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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18 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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1answer
86 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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69 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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550 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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1answer
143 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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180 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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952 views

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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222 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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278 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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967 views

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 ...