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Your Immune System 'Remembers' Microbes It's Never Fought Before, New Study Says

Your Immune System 'Remembers' Microbes It's Never Fought Before, New Study Says | Science News | Scoop.it

Immune cells are like the Hatfields and McCoys of our bodies--once wronged, they never, ever forget. This is how we gain immunity, and it’s why vaccines work: Immune cells develop a memory of an invading pathogen, and they build an alert system to find and fight it should it ever return. But a new study by Stanford researchers adds a new wrinkle to this long-held immune theory. It turns out immune cells can develop this memory-like state even for pathogens they’ve never met. This may come from exposure to harmless microbes -- or the memories may actually be borrowed from other, more experienced cells.

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Accepted model of memory formation refuted

Accepted model of memory formation refuted | Science News | Scoop.it

 A study by Johns Hopkins researchers has shown that a widely accepted model of long-term memory formation -- that it hinges on a single enzyme in the brain -- is flawed. The new study, published in the Jan. 2 issue of Nature, found that mice lacking the enzyme that purportedly builds memory were in fact still able to form long-term memories as well as normal mice could.

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Hungry Again? Your Memory May Be to Blame

Hungry Again? Your Memory May Be to Blame | Science News | Scoop.it
Hunger would seem to be a fairly straightforward instinct: Depending on how much you eat, you either will or you won't be hungry afterward. As it turns out, our relationship to food may not be so simple.

A new study, published this week in the journal PLoS ONE, adds a new wrinkle by suggesting our short-term memory also may play a role in appetite. Several hours after a meal, the study authors found, people’s hunger levels were predicted not by how much they’d eaten, but rather by how much food they’d seen in front of them—in other words, how much they remembered eating.

 


Via Natalie Stewart
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The Persistence of "Past-Life" Memories

The Persistence of "Past-Life" Memories | Science News | Scoop.it

Many children spontaneously report memories of 'past lives'. For believers, this is evidence for reincarnation; for others, it's a psychological oddity. But what happens when they grow up?

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UCLA researchers discover that the sleeping brain behaves as if it's remembering something

UCLA researchers discover that the sleeping brain behaves as if it's remembering something | Science News | Scoop.it

UCLA researchers have for the first time measured the activity of a brain region known to be involved in learning, memory and Alzheimer's disease during sleep. They discovered that this part of the brain behaves as if it's remembering something, even under anesthesia, a finding that counters conventional theories about memory consolidation during sleep.

Julien Cuyeu's curator insight, September 24, 2014 9:51 AM

My brain is still active even when I'm asleep, thats crazy.

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Brains are different in people with highly superior autobiographical memory

Brains are different in people with highly superior autobiographical memory | Science News | Scoop.it
Scientists have discovered intriguing differences in the brains and mental processes of an extraordinary group of people who can effortlessly recall every moment of their lives since about age 10.

Via Romylos Pantzakis, Janet Devlin, Mariana Soffer
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[VIDEO] All-seeing time-lapse reveals altered memories

Read more: http://www.newscientist.com/blogs/nstv/2012/02/all-seeing-time-lapse-reveals-altered-memories.html...
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Sleep Helps People Master a Melody

Sleep Helps People Master a Melody | Science News | Scoop.it
If you aren't able to master a tune even after hours of practicing, then perhaps you should sleep on it. We mean try sleeping while the tune is being played in the background.


More on SLEEP: http://www.scoop.it/t/science-news?tag=sleep

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Where Did Our Infant Memories Disappear To?

Where Did Our Infant Memories Disappear To? | Science News | Scoop.it
Memories can form in even very young children, it seems, but it is not clear that they can be retrieved.
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Color This Chimp Amazing

Color This Chimp Amazing | Science News | Scoop.it
Psychologist suggests synthesthesia may underlie creature’s apparent memory feats...
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When being scared twice is enough to remember

When being scared twice is enough to remember | Science News | Scoop.it
One of the brain's jobs is to help us figure out what's important enough to be remembered. Scientists have achieved some insight into how fleeting experiences become memories in the brain.
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[VIDEO] Finding Your Science: Nap Time!

[VIDEO] Finding Your Science: Nap Time! | Science News | Scoop.it
Sara Mednick, a psychologist at UC San Diego, talks about how napping improves mind and memory...
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BPS Research Digest: Total recall: The man who can remember every day of his life in detail

BPS Research Digest: Total recall: The man who can remember every day of his life in detail | Science News | Scoop.it

For most of us, it's tricky enough to remember what we were doing this time last week, let alone on some random day years ago. But for a blind 20-year-old man referred to by researchers as HK, every day of his life since the age of about eleven is recorded in his memory in detail. HK has a rare condition known as hyperthymesia and his is only the second case ever documented in the scientific literature (the first, a woman known as AJ, was reported in 2006.


MEMORY: http://www.scoop.it/t/science-news?tag=memory

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Robot inquisition keeps witnesses on the right track

Robot inquisition keeps witnesses on the right track | Science News | Scoop.it
Interviewers are likely to lead witnesses astray. It's time for the machines to start asking the questions
Sakis Koukouvis's insight:

MEMORY is a strange thing. Just using the verb "smash" in a question about a car crash instead of "bump" or "hit" causes witnesses to remember higher speeds and more serious damage. Known as the misinformation effect, it is a serious problem for police trying to gather accurate accounts of a potential crime. There's a way around it, however: get a robot to ask the questions.

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Who Owns Your Memories - You or Your iPhone?

Who Owns Your Memories - You or Your iPhone? | Science News | Scoop.it

Who owns your memories? You’d think that would be you. But in a short interview with Claudia Dreifus at the New York Times, neuroethicist Matthew Liao notes that to the extent our devices are serving as outsourced personal memory banks, you may be sharing ownership with, say, Facebook:

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Where is your mind?

Where is your mind? | Science News | Scoop.it
My BBC Future column from a few days ago. The original is here. I’m donating the fee from this article to Wikipedia. Read the column and it should be obvious why. Perhaps you should too: dona...
Sakis Koukouvis's insight:

Our minds are made up just as much by the people and tools around us as they are by the brain cells inside our skull.

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Computer-Based Immortality "Well-Before Century's End"

Computer-Based Immortality "Well-Before Century's End" | Science News | Scoop.it

John Smart, co-founder of the Brain Preservation Foundation—an organization dedicated to the study of maintaining brain function after our biological death—argues that the "redundant, resilient and distributed" nature of long-term memory makes it possible to preserve significant portions of our identity after death. 

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Why living in the moment is impossible: Decision-making memories stored in mysterious brain area known to be involved with vision

Why living in the moment is impossible: Decision-making memories stored in mysterious brain area known to be involved with vision | Science News | Scoop.it
The sought-after equanimity of "living in the moment" may be impossible, according to neuroscientists who've pinpointed a brain area responsible for using past decisions and outcomes to guide future behavior.
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The Internet as Hive Mind: Memory and the Cybermind

The Internet as Hive Mind: Memory and the Cybermind | Science News | Scoop.it
No one can remember everything, and the Web can be a great mind-expanding device.
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How to reinforce learning while you sleep

How to reinforce learning while you sleep | Science News | Scoop.it
Memories can be reactivated during sleep and strengthened in the process,  Northwestern University research suggests.


More about SLEEP: http://www.scoop.it/t/science-news?tag=sleep

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[VIDEO] BLUEMiND2: Where Nostalgia Is Born

Join us at MingandOcean.org. Video intro to BLUEMiND2 by Dr.
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Search for Where Memory Lives

Search for Where Memory Lives | Science News | Scoop.it
They called it a myth as fantastical as the unicorn, but scientists have now found the engram, the physical trace of memory in the brain. . Visit Discover Magazine to read this article and other exclusive science and technology news stories.

Via Wildcat2030, Apmel
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[VIDEO - VISUALISATION] Memory Threads

This video illustrates the creation of memory threads. A simulated P2P network is generated where each peer contains digital memories.
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Forget the hype: how close are we to a ‘forgetting pill’?

Forget the hype: how close are we to a ‘forgetting pill’? | Science News | Scoop.it

I've been a little disconcerted by the recent appearance in the popular science press of a number of articles seeming to claim that we're just around the corner from being able to erase painful or traumatic memories

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Old and New Neurons Trade Roles to Aid Memory

Old and New Neurons Trade Roles to Aid Memory | Science News | Scoop.it
Brain cells help us recall the past by taking on new roles as they age...

Via Don L. Price
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