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Latest Short-term memory Stories

2010-11-29 16:53:26

Storage capacity by numbers, not resolution, fuels fluid intelligence, Oregon researchers say One person correctly remembers four of eight items just seen but is fuzzy on details. Another person recalls only two of the items but with amazingly precise clarity. So what ability translates to higher IQ? According to a University of Oregon study, the answer is very clear: More items stored in short-term memory is linked to greater fluid intelligence, as measured in IQ tests. The resolution of...

2010-02-18 12:58:34

Fruit fly experiments show inhibiting and elevating Rac activity slows and speeds erasure Cold Spring Harbor, NY -- Memories that we have just acquired "“ a new phone number, or the name of a new acquaintance -- are more liable to be forgotten than memories we have held for some time. We know this from experience, but we are just learning about events inside and between nerve cells that account for the loss of short-term memory. Now, a neuroscience team led by a scientist at Cold Spring...

2009-11-09 15:50:59

The long-held theory that our brains use different mechanisms for forming long-term and short-term memories has been challenged by new research from UCL, published today in PNAS. Neuroscientists formed this theory based on observation of patients with amnesia, a condition that severely disrupts the ability to form long-lasting memories. Typically, amnesia is caused by injury to the hippocampi, a pair of brain structures located in the depth of the temporal lobes. Despite the condition...

2009-08-18 10:25:00

Why is it that you can instantly recall your own phone number but have to struggle with your mental Rolodex to remember a new number you heard a few moments ago? The two tasks "feel" different because they involve two different types of memory "“ long-term and short-term, respectively "“ that are stored very differently in the brain. The same appears to be true across the animal kingdom, even in insects such as the fruit fly.Assistant Professor Josh Dubnau, Ph.D., of Cold Spring...

2009-04-29 14:17:41

The human brain stores some kinds of memories for a lifetime. But when our eyes are open and looking at things, our gray matter also creates temporary memories that help us process complex tasks during the few seconds these visual memories exist. For decades, scientists have held that such short-term memories don't suddenly disappear, but grow gradually more imprecise over the course of several seconds. Now researchers at the University of California, Davis, have found just the opposite....

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2009-02-21 08:25:00

Experiments at the University of Oregon bring focus to perceptual and memory storage processing People voluntarily pick what information they store in short-term memory. Now, using functional magnetic resonance imaging (fMRI), researchers can see just what information people are holding in memory based only on patterns of activity in the brain. Psychologists from the University of Oregon and the University of California, San Diego, reported their findings in the February issue of...

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2008-12-13 16:10:43

Even though forgetting is such a common occurrence, scientists have not reached a consensus as to how it happens. One theory is that information simply decays from our memory "” we forget things because too much time has passed. Another idea states is that forgetfulness occurs when we confuse an item with other items that we have previously encountered (also known as temporal confusability). Psychologists Nash Unsworth from the University of Georgia, Richard P. Heitz from Vanderbilt...

2008-09-22 15:00:14

By JUDY SIEGEL-ITZKOVICH A protein essential in long-term memory consolidation has been identified at the University of Haifa. As the process of memory creation and consolidation is the first to be affected in neurodegenerative diseases like Alzheimer's and Parkinson's, understanding the biological mechanisms of the process brings us one step closer to finding a treatment for these diseases, said chief researcher Prof. Kobi Rosenblum, who published the study in the prestigious...

2008-08-08 08:32:34

You'd probably remember seeing a man with pink hair more than you could recall the guy walking next to him with brown hair. That's because our brains best remember attention-grabbing images, according to a new study. Previous research has implied an upper limit to the number of visual images a person can store in short-term memory, but a new study found that memory capacity is much more flexible. "Before people have had this idea that visual memory has a very simple limit:...

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2008-06-17 09:20:00

Research on octopuses has shed new light on how our brains store and recall memory, says Dr. Benny Hochner of the Department of Neurobiology at the Alexander Silberman Institute of Life Sciences at the Hebrew University of Jerusalem.Why octopuses?Octopuses and other related creatures, known as cephalopods, are considered to be the most intelligent invertebrates because they have relatively large brains and they can be trained for various learning and memory tasks, says Dr. Hochner.Their...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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