Originally posted by Darkmatic
Well i am yet to have a lucid dream , but i am curious about something .
When you lucid dream from the 1st person perspective , does your dream have depth , like , do you see like in waking life with 2 slightly different perspectives from each eye , so things close to you have more of a '3D' effect than things further away . I hope you know what im talking about . I have heard of people having dreams where they claim to view their dream in this state , though i dont know if they were talking about lucid dreams . *
If people do dream in such a way , i think its a testament to the human brain , being able to generat two slightly different virtual perspectives to achieve a virtual three dimensional world in your head . *
Maybe some people could tell me if they noticed this in their dreams . And to what degree of accuracy , like if things acually look far away or real close , or if theyre just like on a TV screen . *
Anyway , in all my dreams i have which are a bit hazy and dark , i have never noticed this '3D' effect . Maybe it only works for some people .
First, you need to know a little bit about how depth perception in the eye works while in waking life:
The eye uses three methods to determine distance:
* ** The size a known object has on your retina - If you have knowledge of the size of an object from previous experience, then your brain can gauge the distance based on the size of the object on the retina.
* ** Moving parallax - When you move your head from side to side, objects that are close to you move rapidly across your retina. However, objects that are far away move very little. In this way, your brain can tell roughly how far something is from you.
* ** Stereo vision - Each eye receives a different image of an object on its retina because each eye is about 2 inches apart. This is especially true when an object is close to your eyes. This is less useful when objects are far away because the images on the retina become more identical the farther they are from your eyes. *
http://science.howstuffworks.com/eye10.htm[/b]
All this information is sent to the brain and your brain then determines the depth. However, when you're dreaming, your eyes aren't being used to see. Everything you see is created by your imagination. So instead of using your eyes to compute depth, your brain is now determining it independently--everything you see, whether you have one dream eye open, two, or even three, will have depth.
Hope this cleared things up for you,
D
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