Reply to Re: Colour dreams
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Ummm... I would beg to differ Merlin.
"Recharging" is not the most eloquent, nor the most accurate term to have used, so I'm sorry about that. But I can't think of another one...
Now, nobody can be sure of WHY we dream, or what part the stages of sleep play in this, but a few studies for you to look at...
Jouvet deprived cats of REM sleep (by making them stand on an upturned flowerpot in water). They went all "hypersexual" (man... that must have been odd to watch) before dying; Possibly due to anxiety.
If we lose out on REM sleep, our bodies will try to make up for it. Dement (1960) took 8 volunteers and woke them every time they begun entering REM sleep. The first night, this occured 12 times, but by end of the week, they were trying to enter REM sleep 26 times a night.
Does this not suggest that REM sleep is vital to our "recharging"?
Another theory for dreaming, is Reverse-Learning Theory (by Crick and Mitcheson, 1983). The goes that dreaming is a way of getting rid of useless information in our brains.
Now, animals with very large cortexes do not have REM sleep (such as dolphins and anteaters). It has been considered that this means they do not need to "unlearn" to function correctly.
Now, when I say I don't dream, I mean that I don't dream *often*.
Hehehe.
"Recharging" is not the most eloquent, nor the most accurate term to have used, so I'm sorry about that. But I can't think of another one...
Now, nobody can be sure of WHY we dream, or what part the stages of sleep play in this, but a few studies for you to look at...
Jouvet deprived cats of REM sleep (by making them stand on an upturned flowerpot in water). They went all "hypersexual" (man... that must have been odd to watch) before dying; Possibly due to anxiety.
If we lose out on REM sleep, our bodies will try to make up for it. Dement (1960) took 8 volunteers and woke them every time they begun entering REM sleep. The first night, this occured 12 times, but by end of the week, they were trying to enter REM sleep 26 times a night.
Does this not suggest that REM sleep is vital to our "recharging"?
Another theory for dreaming, is Reverse-Learning Theory (by Crick and Mitcheson, 1983). The goes that dreaming is a way of getting rid of useless information in our brains.
Now, animals with very large cortexes do not have REM sleep (such as dolphins and anteaters). It has been considered that this means they do not need to "unlearn" to function correctly.
Now, when I say I don't dream, I mean that I don't dream *often*.
Hehehe.
