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Posts posted by willowz

  1. "These findings support the notion that the adolescent brain functions quite differently than the adult brain, particularly in its response to alcohol. Even though the adolescent brain has the capacity to adapt to an alcohol challenge, this will likely come at great cost as valuable cerebral resources are redirected from the important role of brain development to instead adapting to an alcohol challenge, and then restoring the system back to status quo once alcohol is eliminated or the challenge is removed."

    From this I understand that the brain is coping with different areas activated while under the influence of alcohol. These different areas being activated might bring some "development" to such areas by being used. Developing acute tolerance could have some other areas activated in the adolescent than the normal adult. Hope I made sense there.

  2. Hi,

    I have been interested in lucid dreaming for some time. I found this forum and thought that someone can give me some answers to some questions.

    Here is my whole thought process on how the brain works while lucid dreaming:http://forums.philosophyforums.com/threads/lucid-dreams-33391-2.html


    I also sent some e-mails to Professor Allan Hobson on this topic, I got in reply a document attached in this topic.


    I wouldn't be suprised if someone gives or doesn't have much time or will to answer this topic. Any ways thanks a lot for any replies.


    "Willowz: This will be a shot, maybe a long shot at a pragmatic way of looking into the the way the


    brain works while dreaming. I heard that the activity between connections in the frontal


    cortex and the posterior perceptual areas of the brain during sleep are lowered


    dramatically. Can arousing of these connections/areas be done chemically or maybe some


    other way?... Why am I asking this? When we fall asleep our awareness falls, we just "go


    with the flow". You don't realize how stupid or farfetched some things are in a dream.


    These areas (Frontal cortex and posterior per. area), I think (and read) are responsible for


    evaluation and eventually realizing that you are dreaming."


    "Mars Man: A system is firing (a map) and exchanging signals when realizing anything, as


    far as can be seen, and not any single area, really. I would say that the hippocampal and


    limbric systems are major players, along with the prefrontal association areas, in


    comparing ncoming sensory information (internal signals from memory too) and judging it


    against memory."


    "Mars Man:The prefrontal association cortical area projects, in part, to limbic association


    cortex, which projects with other systems to amygdala and hippocampal formation, each


    receiving dissimilar sensory information."


    "Willowz:Since going into sleep the brain doesn't need the prefrontal association cortical


    area(:Association areas function to produce a meaningful perceptual experience of the


    world) working. But this area is probably essential in deciding and realizing that this dream


    is just some mumbo jumbo. I was looking into Brodmann's 46 area because it might be the


    area where the "waking"begins.Here I will site a book I found: Conclusion: "One organizing


    premise of this brief update is the combined study of phenomenology , cognitive


    neuroscience and neurochemistry across a wide variety of normal (e.g dreaming, waking),


    alterable (e.g meditation, hypnosis)...one such hypothesis suggested here is that the


    deactivation of prefrontal cortical areas and possibly, a recriprocal intensification of cortical


    or subcortical limbic and posterior perceptual cortical activity may underline a wide variety


    of dream-like states...as well as dream states as close as possible to waking (e.g full


    lucidity in experienced practitioners of lucid dreaming).


    Lucid Dreaming Revisited.doc

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