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'Dream centre' of the brain found

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Sureal
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PostPosted: Thu 02 Jun, 2005  Reply with quote

I'll see if I can find the topic here...

EDIT: Sorry, can't find it meh.


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seandop
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PostPosted: Fri 03 Jun, 2005  Reply with quote

I've never heard such claims about REM deprevation either. I'm going to look at that, but right now I'm back to the mouse & MS On-Screen Keyboard...

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victor irving
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PostPosted: Sat 04 Jun, 2005  Reply with quote

This might be the finding you're looking for, a paper published in the journal SLEEP in 1989 by Kushida et al. Here's the abstract (note the REM sleep is referred to as paradoxal sleep):

Twelve rats were subjected to paradoxical sleep deprivation (PSD) by the disk apparatus. All PSD rats died or were sacrificed when death seemed imminent within 16-54 days. No anatomical cause of death was identified. All PSD rats showed a debilitated appearance, lesions on their tails and paws, and weight loss in spite of increased food intake. Their yoked control (PSC) rats remained healthy. Since dehydration was ruled out and several measures indicated normal or accelerated use of nutrients, the food-weight changes in PSD rats were attributed to increased energy expenditure (EE). The measurement of EE, based upon caloric value of food, weight, and wastes, indicated that all PSD rats increased EE, with mean levels reaching more than twice baseline values. All of these changes had been observed in rats deprived totally of sleep; the major difference was that they developed more slowly in PSD rats.


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seandop
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PostPosted: Sat 04 Jun, 2005  Reply with quote

Hmm...that is interesting. siiw

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Shaper
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PostPosted: Sat 11 Jun, 2005  Reply with quote

I would think that dreams are governed by more than just one part of the brain. The Pons area may be the main part, but isn't there also something to do with the visual, audio and tactile sytems in the brain?

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jonesn
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PostPosted: Sat 11 Jun, 2005  Reply with quote

Josh Redstone wrote:
I would think that dreams are governed by more than just one part of the brain. The Pons area may be the main part, but isn't there also something to do with the visual, audio and tactile sytems in the brain?


Yes, your long-term memory and perceptive senses are still active, though the frontal lobes are almost dormant.


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Shaper
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PostPosted: Sat 11 Jun, 2005  Reply with quote

What do the frontal lobes do?

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Sureal
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PostPosted: Sat 11 Jun, 2005  Reply with quote

Something to do with your personality I think.

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Basilus West
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PostPosted: Sat 11 Jun, 2005  Reply with quote

The prefrontal cortex is related with personnality and social behaviour. If it's no more linked with the inner parts of the brain, your actions and thoughts will no more be perceived as yours, but as external ones. For instance, you'll hear your thoughts like they were pronounced by another people (schizophrenic hallucinations... and HH ).

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Sureal
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PostPosted: Sat 11 Jun, 2005  Reply with quote

Wow - I've learnt something else today smile.

Hm, that's quite interessting. So - the prefrontal cortex... it bascially makes your self aware?


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Basilus West
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PostPosted: Sat 11 Jun, 2005  Reply with quote

I can't reply to your question about self-awareness. shy2 Is self-awareness the same thing than establishing a relation between things (body, acts, thoughts) and your ego... It could be, but frankly I don't know... sadblauw

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Shaper
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PostPosted: Sun 12 Jun, 2005  Reply with quote

Well, if that is inactive in dreams, it could explain why we aren't lucid so much of the time smile

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jonesn
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PostPosted: Sun 12 Jun, 2005  Reply with quote

I've believed for a long time that the dorsolateral prefrontal cortex is the key to lucidity. The DPC is responsible for working memory and the "reality-check" of consciousness wink

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Shaper
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PostPosted: Sun 12 Jun, 2005  Reply with quote

jonesn wrote:
I've believed for a long time that the dorsolateral prefrontal cortex is the key to lucidity. The DPC is responsible for working memory and the "reality-check" of consciousness wink


So, is that the part of the brain that controlls the 'criticul factulty' part of the psyche?


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jonesn
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PostPosted: Sun 12 Jun, 2005  Reply with quote

Josh Redstone wrote:
jonesn wrote:
I've believed for a long time that the dorsolateral prefrontal cortex is the key to lucidity. The DPC is responsible for working memory and the "reality-check" of consciousness wink


So, is that the part of the brain that controlls the 'criticul factulty' part of the psyche?


It might have something to do with critical faculty, though I've never seen a journal or research focus on or make mention of that.


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