The source of language in dreams

Postby Bob » Sat Nov 29, 2003 8:47 am

A question on how it is language can appear in dreams.

Dreaming is a right brain activity according to research (as is day-daydreaming).

Now the predominant mode of expression for the right hemisphere is metaphor, sensory image and emotion.

I understand that the right brain possesses only a rudimentary language capability and yet people report involved conversations during their dreams. In fact I spoke to a colleague yesterday who remembers her dreams very easily and reported "chatting away" in her dreams.

I am curious as to where this language is coming from. The obvious source would, of course, be the left hemisphere. But is there any evidence for this that anyone might be aware of.
Bob
 


#1

Postby grovelli » Sat Nov 29, 2003 9:03 am

Hi Bob,
I believe the following might answer your question:
http://serendip.brynmawr.edu/bb/neuro/n ... llerJ.html
http://www.macalester.edu/~psych/whatha ... avior.html

Quote from the latter link, "The findings show that the left hemisphere alone is able to produce dreams..."
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#2

Postby Roger Elliott » Wed Dec 03, 2003 8:19 am

Hi Bob

My explanation would be that the brain never operates in 'all left' or 'all right' mode. Activity is either more left hemispheric or more right hemispheric, therefore even when dreaming, there is left brain activity.

Plus, as we know, all language is metaphor anyway ;)

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#3

Postby Bob » Thu Dec 04, 2003 3:28 pm

I had the good fortune to speak to Joe Griffin about this recently.

He indicated that people often think they are talking and hearing language in dreams when what they are hearing and saying are, in fact, impressions of language.

The evidence for this comes from people who have written down supposed conversations after waking from a dream period and then reviewed what they had written the next morning--only to discover that what they had written was gibberish.

I put it to him that if, however, language and images of people do in fact appear in dreams as they would in reality (i.e. correctly synchronised) then an interesting problem arises : what is doing the synchronising of image and language? The difficulty is this: a) the left cortex cannot make sense of where, in an image the appropriate language section should go because it does not know how to decode images and b.) the right cortex cannot make sense of the language sequence from the left cortex in order to match it up to the correct images. It would appear that a separate brain process is able to synchronise these.

When I put this conundrum to Joe Griffin recently he simply said "But we do it in waking life all the time! There are processes which are capable of doing this.". He is, of course, right.

How do we do it given that language and images are processed by different areas?

This question can now be asked about image / language synchronisation in the waking state.

:oops: An apology: all of this is, naturally, rather academic and may not be of practical interest to many of the people who visit these forums. They are interested in offering and getting help for real problems and I do realise that this is the main function of the forums.
Bob
 

#4

Postby Roger Elliott » Thu Dec 04, 2003 4:20 pm

An apology: all of this is, naturally, rather academic and may not be of practical interest to many of the people who visit these forums. They are interested in offering and getting help for real problems and I do realise that this is the main function of the forums.

Not at all Bob! Personally I am extremely interested in the theoretical basis of what we do. By understanding the theory we can make leaps we may not otherwise make! :)

But 'how do we do it'? - pretty hefty question I think; we need the services of a neuroscientist :)
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#5

Postby Simon » Fri Dec 05, 2003 9:20 am

"How do we do it given that language and images are processed by different areas? "

I've just been reading "Seeing Voices" by Oliver Sacks who makes various observations along the lines that langauge is not just verbal/written words.
Images can be/are language too.

The pre-lingually deaf think in terms of images and/or signs. In fact most peopledo this to some extent. Einstein said that he rarely thought of his theories in terms of actual words, and that putting the idea into words could sometimes be the difficult bit. Similarly choreographers will think in terms of images of movements which they later have to translate into verbal/written form.

If these other forms of thinking are considered as language when we are awake, then surely they can also be considered as language when we are dreaming?

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