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4
votes
2answers
83 views

The least complex animals with ability to dream

People can dream, dogs can dream, cats probably too when they are sleeping. What about other creatures? Can a bird dream? Do rats have dreams? Are there any studies about that kind of thing? What ...
4
votes
1answer
459 views

Are there any effects of elevated Cysteine levels on cognitive function?

I'm looking at this diagram of homocysteine metabolism and see two distinct pathways that the amino acid may get metabolized to: with vitamin B12 it gets converted back into methionine, while with B6 ...
4
votes
0answers
51 views

Do invertebrates dream? [closed]

From Wikipedia: Studies have observed dreaming in mammals such as monkeys, dogs, cats, rats, elephants and shrews. There have also been signs of dreaming in birds and reptiles. Have there ...
3
votes
1answer
43 views

Do people who have been blind all their lives dream?

Do the people who have been blind all their lives dream and do they experience or report "imagery" in the dreams?
3
votes
0answers
217 views

What is the timing of information assimilation within a human brain? [closed]

A little background: I'm an avid dreamer and have great dream recall, sometimes up to 5-7 per night. In my experience, I can sometimes trace some elements of the dream to an event that occured ...
2
votes
3answers
152 views

Why do we dream?

Is there any specific reason behind why we dream. Why sometimes we are getting wierd and unusual dreams. Sometimes we cant even recall what we dreamt off. Why this happens?
2
votes
2answers
242 views

Do brain cells shrink during REM sleep or a lucid dream?

In this BBC news article a study shows that during sleep brain cells shrink to open up the gaps between neurons and allow fluid to wash the brain clean. But do the cells shrink and undergo the whole ...
2
votes
2answers
120 views

Do animals also dream?

By "dream", I mean: Dreaming while sleeping. Dreaming about their future life while being awake. Thank you in advance.
2
votes
1answer
32 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?
2
votes
0answers
74 views

What is the mechanism by which Melatonin increases dream vividness and intensity in humans?

I'm looking at the wikipedia article on Melatonin and noticed that it mentions vivid dreaming caused by melatonin. I have the "Melatonin and the Biological clock" pamphlet referenced in the article, ...
1
vote
1answer
75 views

What determines whether I will have any dream or not?

Sometimes I have many consecutive "dreamfull" nights but sometimes there is no dream during week. Why? What determines whether I will have any dream or not?
1
vote
1answer
43 views

What happens when we dream?

When a human dreams does the brain activate the cones and rods in the eyes creating the images we see in dreams?
-1
votes
1answer
53 views

Can I control my dreams?

Is it possible to completely realize that I am only dreaming and to completely manage my dream? Thank you.