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MajinVegeta
Visible Light Wave


USA
676 Posts
Posted - 02/17/2003 :  20:46:39  Show Profile Send a private Message
How does the brain accomplish such a feat as a photographic memory?

BTW, a joke: "Everyone has a photographic memory, but some people just don't have film." I guess that means I don't have film. LOL.

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zk4586
Infrared Wave


USA
288 Posts
Posted - 02/17/2003 :  20:54:53  Show Profile  Send a private Message  Send zk4586 an instant message
This will answer at least part of your question:

http://news.bbc.co.uk/2/hi/health/2580867.stm

"In the construction of Immortal Fame you need first of all a cosmic shamelessness." --Umberto Eco

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Audacity Dan
X-Ray Wave


USA
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Posted - 02/18/2003 :  05:28:12  Show Profile  Send a private Message  Send Audacity Dan an ICQ Message  Send Audacity Dan an instant message
zk, I don't see how your link addresses Majin's question at all. Unfortunately, I don't have any specific answers, myself.

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Edited by - Audacity Dan on 02/18/2003 05:29:33
zk4586
Infrared Wave


USA
288 Posts
Posted - 02/18/2003 :  15:03:17  Show Profile  Send a private Message  Send zk4586 an instant message
Well, she was talking about unusual feats of memory, and that was along the same line. Now Dan, since you've goaded me into helping a little more, I found these:

http://www.madsci.org/posts/archives/aug97/866819368.Ns.r.html

http://www.straightdope.com/columns/000901.html

"In the construction of Immortal Fame you need first of all a cosmic shamelessness." --Umberto Eco

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Mentat
X-Ray Wave


USA
1269 Posts
Posted - 02/18/2003 :  18:20:05  Show Profile  Send a private Message
I find myself qualified to discuss this, only because I posses a photographic memory to some extent. Allow me to explain the difference between usual and photographic memories (according to my own experience, and what I have gathered from discussing this with others):

A person with a photograpic memory can recall what they see, with the same kind of accuracy as an actual camera, in that this person can actually notice something that they had not noticed before (when "returning" to this "picture" in their minds), because the picture is complete, even if their understanding of it isn't. Such a person doesn't have to entirely read a page of a book (for example), they simply have to make sure that they see all of it, so that they can call it back up later. I am capable of this to the extent that I can "take a picture of about 5 pages, and then I have to review, and then go on to the next 5 pages, and then review, and so on...

A person with a typical memory (for lack of a better word), needs to remember any detail, before it will come back to them in the "picture" in their heads.



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MajinVegeta
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USA
676 Posts
Posted - 02/19/2003 :  00:55:06  Show Profile  Send a private Message
quote:

Scientists who study memory phenomena generally believe that eidetic
memory (more popularly known as "photographic memory") does not exist.
Early experiements on eidetic memory were intriguing, but could not be
replicated.

Interesting, this contradicts what Mentat said. But I disagree with those experiments because they only used expert chess players, and not people (apparently) who claimed to possess an eidetic* memory.


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zk4586
Infrared Wave


USA
288 Posts
Posted - 02/19/2003 :  03:54:56  Show Profile  Send a private Message  Send zk4586 an instant message
quote:
Interesting, this contradicts what Mentat said. But I disagree with those experiments because they only used expert chess players, and not people (apparently) who claimed to possess an eidetic* memory.

Err...well, I don't think that's the only tests that were done, that was just one example, as evidenced by the fact that they said "for example".

"In the construction of Immortal Fame you need first of all a cosmic shamelessness." --Umberto Eco

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volt
Radio Wave


USA
11 Posts
Posted - 02/19/2003 :  16:45:50  Show Profile  Send a private Message
I think about 1/3 of the of the human population has a subconscious photographic memory, so if you have someone look at a room for two seconds that has a subconscious photographic memory will be able to tell you virtually anything that is visible in the room in the hypnotic state.

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Mentat
X-Ray Wave


USA
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Posted - 02/19/2003 :  19:50:18  Show Profile  Send a private Message
I have met people who can perform what I do, with 5 pages, with entire books. I doubt that anyone is going to prove that photographic memory doesn't exist, and if they do, they're going to need a new way to account for the obvious cases, that even I know of.



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MajinVegeta
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USA
676 Posts
Posted - 02/19/2003 :  23:50:27  Show Profile  Send a private Message
Is there such thing as holographic hearing? For example: Someone could here the whole "Messiah"(by Handel, I might add) opera and recite the whole thing without making any mistakes only after hearing it once.

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volt
Radio Wave


USA
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Posted - 02/20/2003 :  00:29:48  Show Profile  Send a private Message

There probaly is, a normal person has to recall an event multiple times before it is stored in long term memory. The more the pathays are used the easier it is to remember or maybe the more you recall an event the brain somehow recognizes the information to be of greater importance, if there is no evident limit for there visual memorization it is likely that sounds can be recalled with the same detail or it would at least be logical to assume so.
I have heard the sense of smell is very good at invoking forgotten memories.

p.s.
have you ever heard of self hypnosis

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MajinVegeta
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USA
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Posted - 02/20/2003 :  00:39:16  Show Profile  Send a private Message
no, I haven't heard of self-hipnosis; do tell.

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zk4586
Infrared Wave


USA
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Posted - 02/20/2003 :  02:30:08  Show Profile  Send a private Message  Send zk4586 an instant message
quote:
p.s.
have you ever heard of self hypnosis

What's so important about self hypnosis?

"In the construction of Immortal Fame you need first of all a cosmic shamelessness." --Umberto Eco

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Zargawee
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Jordan
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Posted - 02/20/2003 :  08:52:43  Show Profile  Send a private Message  Visit Zargawee's Homepage  Send Zargawee an ICQ Message
quote:
Originally posted by MajinVegeta:
no, I haven't heard of self-hipnosis; do tell.

Self-Hipnosis Is The Hipnosis You Do To Yourself , Like When You Focus To Remember Something You Read , Or To Fucus When You're Aiming At Something To Hit It .... these Examples Are Simple , But In these conditions , The Hipnosis Level Is Very Low .

--That's me!
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volt
Radio Wave


USA
11 Posts
Posted - 02/20/2003 :  19:12:28  Show Profile  Send a private Message
Yes the hypnosis level is generaly low but self hypnosis is done with the help of a practitioner, most of the time. For example a person may be first hypnotized to do something whenever they countbackwards from three or say a ceratain word and whatever the practioner said the subconscious mind will attempt to execute, although I have heard some people would object of the practitioners request in the hypnotic state.

For self hypnosis to work well the mind needs to be in a nearly meditative state.

Zargawee you were refering to some form of munipulation of the subconsious mind which is similar to hypnosis and when you are nearly asleep your mind is almost in a hypnotic state.

Even when you are awake you can munipulate your subconsious mind to relatively great extent with some practice I read a book called A Course in Hypnosis which is at least 20 years old I think what I saying is accurate. Some of this I know from personal expereince.


To best munipulate the subconscious mind you need to eliminate many of the distractions made by the conscious mind.

I write more in this but this is getting toooo long

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Mentat
X-Ray Wave


USA
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Posted - 02/21/2003 :  19:21:13  Show Profile  Send a private Message
Another point that should be pointed out is that we actually are said to remember everyting that happens to us, throughout our lifetime. By "remember", I mean that it is recorded within our brains. Our minds cannot always call back up these memories (or sometimes, not just with the same clarity as the actual recording) however, and that is why we "forget".

Or, at least that's what I've gathered from a couple of books about memory.



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volt
Radio Wave


USA
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Posted - 02/22/2003 :  22:34:04  Show Profile  Send a private Message
Our brains are capable of storing everything in the library of congress several times over from what I have been told.

It is possible that we do recall everything we witness subconsciously. It does not explain that there is only a portion of people that have photographic memory when under hypnosis, this is not proof that we don't remember everything, since we don't really understand how the mind works. Maybe we cannot recall everything in our brain in the hypnotic state. Maybe the neurons may grow weak from disuse or physical damage can occur.

When we first see something it is stored in our short term memory, then if our mind somehow deems this knowledge as important it is stored into long term memory and the more we try to recall an event the more it is reinforced.(this is referring to conscious memory)Also there are events you will literally never forget, I think strong emotions also effects our ability to recall events.

This makes me wonder, that if our memories change when we recall them
as we are recreating the event in our mind. If we could somehow convince our brain that everything it observed was extremely important could we give ourselves a photographic memory?

One more thing, the brain uses near a third of the blood's oxygen,(or at least I have been told such) shortly after running or any other cardiovascular workout my mind seems clearer, I can recall more events I can think in greater depth and faster as well. There are several experiments supporting this. I do not remember who it was that conducted them :)


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N_Quire
Micro Wave


USA
148 Posts
Posted - 02/28/2003 :  19:49:25  Show Profile  Send a private Message  Visit N_Quire's Homepage
quote:
Originally posted by MajinVegeta:
Is there such thing as holographic hearing? For example: Someone could here the whole "Messiah"(by Handel, I might add) opera and recite the whole thing without making any mistakes only after hearing it once.

www.dbzsc.com/vegeta34.jpg



I have holographic taste. I can hear the first bar of a music piece and decide there and then whether it's any good or not. Surely that beats photographic memory!


================
Should I hit it
with a hammer?

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MajinVegeta
Visible Light Wave


USA
676 Posts
Posted - 03/01/2003 :  00:03:21  Show Profile  Send a private Message
N Quire, how can you do that? I mean, there could be something different in the middle parts of the song....[so confused]

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climbhi
Infrared Wave


USA
361 Posts
Posted - 03/01/2003 :  00:57:31  Show Profile  Send a private Message
quote:
Originally posted by MajinVegeta:
Is there such thing as holographic hearing? For example: Someone could here the whole "Messiah"(by Handel, I might add) opera and recite the whole thing without making any mistakes only after hearing it once.

www.dbzsc.com/vegeta34.jpg


I have to think that something like this does exist just becuase of a long time friend of mine. He's one of the nicest guys around but definetely one of the dumbest. However he can remember anything he hears in a movie after seeing it only once. I am serious. Though he can barely handle middle school algebra, he once quoted me all of Austin Powers word for word having only seen the movie once. He could even describe the exact actions of the characters. I suspect his ability to remember the words is probably stemming from his ability to "see" the scenes again in his head on will. It is really pretty interesting to hang around with him and marvel at his unending library of movie lines. You can seriously have complete conversations with him while he quotes nothing but movie lines but stays on topic with what you are talking about. It's incredible!

"Clothes make the man. Naked people have little or no influence on society." --Mark Twain


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MajinVegeta
Visible Light Wave


USA
676 Posts
Posted - 03/01/2003 :  01:31:42  Show Profile  Send a private Message
Wow, that's really cool, climhi. Could that fall under photographic memory? I ask this because you bring up an interesting point; that your friend sees the movie in his head. How would you classify this? It's sort of photographic memory, and also photographic hearing. Does he have photographic memory as well?

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