From the outside this would look a lot like eidetic memory.This rare condition also known as highly superior autobiographical memory (HSAM) causes people to remember just about everything that has occurred in their life. Perhaps there are individuals whose brains are exceptionally quick at this, and who have a larger than average storage capacity in their working memories. But maybe – or rather, very likely – there's a whole lot of top-down processing going on, making sense of what is seen, relating it to other stored information, preparing it for easy storage. Maybe it remains raw and unchanged apart from the assembly. And what happens during this processing? No-one knows, not even Marvin Minsky. What this means is that everybody who looks at anything through their eyes has to process the information. So, to say this clearly: It is impossible to view a whole page without processing it. That's processing, if you want to put a name to it. But what do you do, when you do that? You send a row of images to your brain, and your brain has to process them to build the whole page from that. So obviously, if you want to store a whole page (or any detailed image), you'll have to let your eyes "scan" it. If you want to know how blurred, focus on the dot at the end of this sentence and try to read the lines below it. If you look at a page of text without letting your eyes roam over it, you will have a thumbnail-sized area of sharp and readable text, and a whole page of blurred text. Only the central 2° of your field of vision are focussed and sharp.
a page of text in a few seconds", I see a problem that would make eidetic memory – in the sense of storing the raw data of what you see without processing it – pretty much impossible anyway: Minsky (or you) will probably counter that I'm "using mnemonics and other, non-eidetic memory enhancing exercises", but looking at your example of "quickly memoriz. I believe I could get very much better at this, and don't need autims to accomplish it. And it most certainly does not work for random dots.īut I draw only as a hobby, spend little time on it even at my most intense phases and have long stretches of time where I don't draw at all. This image is limited to what you focussed on, obviously, so parts of the background or anything you found uninteresting will be blurred or missing, and the detail is not very fine, so I can't count matches.
With time you become better at this until you can hold a rather detailed representation of what you saw in your mind. I have been drawing from life as a hobby off and on for more than twenty years, and one of the exercises that help you with learning to draw in a realistic manner is to look at your subject for several seconds and then turn to your canvas and draw what you have seen without looking back at it. I personally have had the experience that you can train your ability to hold a mental image of what you see. Given the relationship between the researcher and the subject, and lack of reproduced test results, even that one example is rather suspect.Īre there any evidence to support that perfect long-term visual storage and retrieval of memories are theoretically possible? By what mechanism would this likely work? There have been a few claims of photographic memory, but only one person was ever reported to have passed tests supporting that claim: a woman named Elizabeth, who later married Charles Stromeyer, the man who had performed the studies within which Elizabeth demonstrated these purported skills.
#Hyperthymesia vs eidetic professional
So far as I can tell, all of these tales are unfounded myths, and only professional magicians or charlatans can produce such demonstrations." ".we often hear about people with 'photographic memories' that enable them to quickly memorize all the fine details of a complicated picture or a page of text in a few seconds.
In Marvin Minsky's The Society of Mind claims it is a myth: Photographic memory is a fairly well known phenomena, but is it theoretically possible?
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