After I Get High I Dont Get High Again
(CNN)Y'all're on a train chatting with a friend sitting across from yous, both of you are high from smoking marijuana. Suddenly you run into a fight suspension out on the platform below. A security baby-sit is in a tussle with a man who is kicking him.
After the man is subdued and removed from the scene, your companion excitedly tells you what they saw, just to add together a particular you don't think: In that location was a police canis familiaris on the scene.
Would your memories and then include a dog as part of the fight? By and large likely yes, especially if you're loftier.
A new study published Monday institute people who took just one hitting of weed doubled their number of "fake memories" in a virtual reality scenario compared to those who puffed on a placebo, said study author Johannes Ramaekers, a professor of psychopharmacology at Maastricht University in The Netherlands.
A faux retentivity is a recollection of something that didn't occur or a memory that is different from the manner it actually happened, often triggered past suggestions from others.
"We are all decumbent to the formation of false memories, independent of cannabis utilise," Ramaekers said. "The susceptibility for false memory, even so, increases with cannabis. Nether cannabis, users can easily accept faux truths for true memory."
A potential impact
Why does this thing? With country after state considering legalizing marijuana, a ascent in false memories could play an increasingly larger role in criminal matters, said co-author Elizabeth Loftus, a professor of psychological science in the department of criminology at the University of California, Irvine.
"This new work is suggesting authorities need to be extra careful when interviewing somebody," Loftus said. They should consider removing "them from a state of affairs where they might be exposed to suggestive information that could contaminate their memory."
And there'due south the possible cosmos of faux memories that affect friends, family and work colleagues.
"Formation of imitation memories may alter the estimation of work-related activities and social interactions with others," Ramaekers said.
"In that location are lots of situations where somebody's memory matters," Loftus said. "For example, a family dispute such as two siblings arguing about what happened in the past over a Thanksgiving table."
Creating a false memory
"It's very easy to distort memory for the details of an event," said Loftus, who discovered the psychological concept called the "misinformation event" and has testified or consulted in such major trials such as O.J. Simpson, Ted Bundy and the Menendez brothers.
In numerous studies over decades, Loftus has shown that when witnesses are given misinformation about something they saw, such every bit a mistake in the details, they will remember things that were only suggested to them later the consequence was completely over.
In the 1990s, she began to explore if it was possible to implant entirely false memories.
"It'south i thing to make people think the perpetrator had a dark-brown jacket instead of a green jacket, simply could y'all institute entirely false 'rich' memories into the listen for something that didn't happen?" Loftus asked.
"In one of the starting time studies done on this [discipline], we made people remember that they were lost in a shopping mall as a child and had to be rescued and reunited with their family unit fifty-fifty though it never happened," she said.
Other researchers went and so far as to implant memories of existence "attacked by a savage animal as a child; having a serious indoor or outdoor blow as a child; even witnessing somebody being demonically possessed," Loftus said.
Could this happen to us all the time? Not likely, Loftus said.
"It's very easy to distort memory for the details of an issue," she said. "It takes a lot more effort to institute one of these rich false memories."
Do real memories come dorsum?
In add-on to witnessing the virtual train platform fight, subjects in the current experiment besides underwent a offset-person virtual reality scenario in which they became a student in demand of money who steals a handbag. In a third experiment, they were asked to call up words they had never been given.
"This report showed that cannabis increased the number of false memories beyond all three retention paradigms," Ramaekers said.
While science isn't completely certain why, researchers suspect that cannabis activates receptors in the hippocampus, the memory center of the brain, possibly producing "fragmentation of thought, loosening of associations and heightened distractibility," he said.
However, when asked to recall the words or events a calendar week later, the study found no real departure betwixt cannabis users and the control grouping. They were able to recall the events as they actually occurred.
"The findings suggest that investigative interviewers should minimize the questioning of cannabis-intoxicated eyewitnesses and suspects, and instead wait until the commencement possible time after sobriety is reached," Ramaekers said.
The aforementioned communication might apply to family and friends, especially for habitual users of weed.
There is evidence "that chronic use of cannabis tin produce persisting turn down of cognitive [or] memory function, even subsequently prolonged abstinence and no THC in blood," Ramaekers said.
Source: https://www.cnn.com/2020/02/10/health/weed-false-memories-wellness/index.html
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