reply to post by Alpal
Interesting question. Blind people do dream; having worked with blind people over the years I can vouch for that. However, as others have said, what
they perceive in their dreams from a visual perspective depends upon their own experience of such perception.
A guy I knew who had been totally blind since birth gave me an fascinating insight. One sunny, cloudless day we were waiting for our tram and I
mentioned to him that the sky was clear and blue, then I asked him how he imagined sky blue as a color. He told me: "I imagine it as a happy
In other words, he related colors to emotion. In fact, we all do to some degree, which is one reason why movie makers and the like use various forms
of lighting and colors to facilitate the creation of the desired moods or emotional effects in their productions. (The same goes for TV ads. The
"before" image is often grayscale or at least rather dull, the "after" is usually well lit and in bright, "happy" colors.)
So, for him, what we would perceive as colors in dreams could be replaced by layers or mixes of emotion.
Here's a thought: we all know that we are surrounded by various types of electromagnetic radiation at all times. Some EM we perceive as visible light
(or the absence of it), others we sense as heat, others fall outside the general range of perception for most humans. Magnetic fields would be a good
example of this. However, research has shown that some animals actually "see" magnetic fields. Pigeons do, to name one. Hypothetically, then, if
pigeons dream, they might see magnetic fields in their dreams.
So consider this: do we "see" magnetic fields in our dreams, or "see" IR or UV frequencies of light? I certainly never have, at least not in a way
that I'm aware of
. Even though I'm aware of the existence of the other EM frequencies, they don't form a recognisable
part of my "dream
world" per se. That doesn't mean that they cannot be present in my dreams (as they might be), only that my conscious recall of those dreams has no way
to fit in such perceptions and make them recognisable when I try to recall whatever I dreamed (or dreamt
The point I'm making is that it's possible
that some blind people actually "see" in their dreams, but having no reference point for those
perceptions within their conscious awareness, they don't recognize what they "see" as visual but instead fit in into their reference framework of
perception, based upon what they know.
Sorry if that sounds a bit clumsy. I'm just writing this straight out so it might be a bit hard to follow. But I hope I've got the idea across.
edit on 30/8/11 by JustMike because: I just added a bit.