At the same time, though, I'm constantly aware of how plastic and unreliable human memory is. We form impressions of events, and sometimes those impressions are actually very far from correct. The odd thing is that these pseudomemories don't seem inaccurate, or fuzzy. My personal experience is that memories which are flat wrong seem perfectly solid -- until someone points out that facts demonstrate conclusively that what I'm remembering can't be correct.
It is this seeming certainty that is puzzling, and sometimes alarming. A study back in 2005 by James Ost, a cognitive psychologist at the University of Portsmouth (England), demonstrated all of this with frightening clarity. Ost took a group of volunteers in England and in Sweden, and asked them if they'd seen CCTV footage of the 2005 Tavistock Square bombing, when in fact no such footage exists. 50% of the Swedish participants said they had, and a full 84% of the English ones did! Further, when Ost asked the volunteers who had responded "yes" for details about the video footage, they gave surprising amounts of information. Ost asked one participant, "Was the bus moving when the bomb went off?" and received the following response: "The bus had just stopped to let two people off, when two women got on, and a man. He placed the bag by his side, the woman sat down and doors closed. As the bus left there was an explosion and then everyone started to scream."
So, as unsettling as it seems, a lot of what we remember didn't happen that way, or perhaps didn't happen at all. Not a pleasant thought, but it seems like it's pretty universal to the way the human mind works.
Ost's study makes what I ran across yesterday all the more bizarre. On a website called "The Mandela Effect," we are introduced to a woman named Fiona Broome, whose interest lies in exactly the sort of memory side-slips that Ost researched. Her curiosity about such occurrences started when she realized how many of her acquaintances "remembered" that Nelson Mandela had died in jail -- even recalled details of his funeral from news stories they'd read. But instead of coming to Ost's conclusion, which is that human memory is simply unreliable, Broome has reached a different explanation.
Broome thinks that these represent memories accessed from alternate realities.
"That’s not a conspiracy theory," Broome writes. "It’s related to alternate history and parallel realities. Exploring the quantum / 'Sliders' concept further, I discovered an entire world of shifting realities that people try to reconcile daily... These aren’t simple errors in memory; they seem to be fully-constructed incidents (or sequential events) from the past. They exceed the normal range of forgetfulness. Even stranger, other people seem to have identical memories."
What are these "identical memories" that many people supposedly share? They include:
- The deaths of Billy Graham, actors Henry Winkler, Shirley Temple, and David Soul, and televangelist Jimmy Swaggart.
- Plots and various other details on Mystery Science Theater and Star Trek: Voyager.
- Details and release dates of the movies Avatar and Terminator.
- Various PS1 games that don't exist.
- The locations of New Zealand and Sri Lanka.
Even if you buy the "many worlds" interpretation of quantum mechanics -- a conjecture which is far from settled amongst physicists, however many plots of science fiction movies depend on its being correct -- there's absolutely no reason to believe that we still have access to alternate timelines once splitting has occurred. If that were true, and people could jump back and forth between universes, it kind of throws the Law of Conservation of Matter and Energy right out of the window. And that law pairs up with the Second Law of Thermodynamics as two of the most fundamental building blocks of our understanding of the universe, and -- more importantly -- they are two laws for which no exception has ever been shown.
[image of "Schrödinger's Cat and Universe Branching" courtesy of Christian Schirm and the Wikimedia Commons]
Sadly, this leaves Fiona Broome et al. kind of getting sliced to ribbons by Ockham's Razor. Bit of a shame, really, because it would be cool if we could get a glimpse of alternate universes. It brings to mind a quote from C. S. Lewis's novel Prince Caspian:
"You mean," said Lucy rather faintly, "that it would have turned out all right – somehow? But how? Please, Aslan! Am I not to know?It may well be that Broome's conjecture is more appealing than Ost's is; that our memory lapses represent the glittering remains of sideward steps into other worlds instead of simple neural failures. But unfortunately, Ost's conclusion lines up better with the evidence. Other studies, showing how easy it is to implant false memories, and how completely convincing those pseudomemories seem, indicate that what's really happening is that we are creating our recollections as we go, and some of them are simply invented from bits and pieces, from suggestions, or out of thin air.
"To know what would have happened, child?" said Aslan. "No. Nobody is ever told that."
The world, it seems, is far more solid than our memory of it. So if Sri Lanka appears to have moved to the southeast, as some people apparently believe, then it's much more likely that you simply don't remember your geography very well than it is that you've had a glimpse of an alternate Earth in which the island is anchored elsewhere.
Or else there's almost no difference between the alternate worlds and our own, and they're all boring.
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