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David McGavock

About Neuroscience News - Neuroscience News - 0 views

neurosciencenews.com/about-neuroscience-news

neuroscience news Brain research learning science

shared by David McGavock on 26 Jun 18 - No Cached
  • In 2001, there was a need for a science website that was dedicated strictly to neuroscience research news, so NeuroscienceNews.com was started. To this day, the site is an independent science news website focusing mainly on neuroscience and other cognitive sciences.No funds have been taken from governments, grants, pharmaceutical companies, big businesses, banks, schools, or others with possibly conflicting interests, to help with this site at any time.We scour news sources from universities, labs, news agencies, scientists, science publishers, and other science departments. We post full articles, releases, abstracts, and sometimes full research journal papers on our site. We also take submissions from nearly anyone.We attempt to link to the original news releases in our posts. We try to include a link to the research papers discussed in the press release, or article, as well as other information that may be important to our readers. We try to include the full list of authors, journal names, research title and identifiers (doi) under the content of each post.
  • David McGavock on 26 Jun 18
     
    We scour news sources from universities, labs, news agencies, scientists, science publishers, and other science departments. We post full articles, releases, abstracts, and sometimes full research journal papers on our site. We also take submissions from nearly anyone.
Tero Toivanen

Naps, Learning and REM : The Frontal Cortex - 0 views

scienceblogs.com/...naps_learning_and_rem.php

brain learning REM productivity memory

shared by Tero Toivanen on 03 Jul 09 - Cached
  • Taking a nap without REM sleep also led to slightly better results. But a nap that included REM sleep resulted in nearly a 40 percent improvement over the pre-nap performance.
  • The study, published June 8 in The Proceedings of the National Academy of Sciences, found that those who had REM sleep took longer naps than those who napped without REM, but there was no correlation between total sleep time and improved performance. Only REM sleep helped.
  • Numerous studies have now demonstrated that REM sleep is an essential part of the learning process. Before you can know something, you have to dream about it.
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  • The breakthrough came in 1972, when psychologist Jonathan Winson came up with a simple theory: The rabbit brain exhibited the same pattern of activity when it was scared and when it was dreaming because it was dreaming about being scared. The theta rhythm of sleep was just the sound of the mind processing information, sorting through the day's experiences and looking for any new knowledge that might be important for future survival. They were learning while dreaming, solving problems in their sleep.
  • Wilson began his experiment by training rats to run through mazes. While a rat was running through one of these labyrinths, Wilson measured clusters of neurons in the hippocampus with multiple electrodes surgically implanted in its brain. As he'd hypothesized, Wilson found that each maze produced its own pattern of neural firing. To figure out how dreams relate to experience, Wilson recorded input from these same electrodes while the rats were sleeping. The results were astonishing. Of the 45 rat dreams recorded by Wilson, 20 contained an exact replica of the maze they had run earlier that day. The REM sleep was recapitulating experience, allowing the animals to consolidate memory and learn new things. Wilson's lab has since extended these results, demonstrating that "temporally structured replay" occurs in both the hippocampus and visual cortex.
  • Tero Toivanen on 03 Jul 09
     
    Taking a nap without REM sleep also led to slightly better results. But a nap that included REM sleep resulted in nearly a 40 percent improvement over the pre-nap performance
Tero Toivanen

Visual training to retain driving competence - and your independence! | On the Brain by... - 1 views

merzenich.positscience.com/?p=250

brain visual training automobile drivers DriveSharp merzenich

shared by Tero Toivanen on 19 Jul 09 - Cached
  • Today, Posit Science announced the release of a new computer-based visual training tool, DriveSharp, specifically designed to improve the performance abilities of adult automobile drivers to a degree that can be expected to very substantially impact their driving safety.
  • Again, with a few hours of intensive training, a youthful MOT performance level can be achieved for most individuals. The result: A still FURTHER increase of driving safety.
  • In our fast-moving world, losing control of one’s peripheral vision is a main cause of driving accidents.
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  • Ball and Roenker demonstrated that these losses are substantially reversible, through appropriate, intensive training, in almost all older drivers. UFOVs can be re-expanded to relatively youthful ability levels through only a few hours of exercise. The result: About 50% fewer driving accidents in the over-65 population.
  • Moreover, once your UFOV is opened up again, you use it!
  • You can use DriveSharp repeatedly, over the rest of your days, to keep yourself in fine driving fettle!
  • The second training program that is included in DriveSharp is designed to improve your ability to keep track of more than one thing happening at the same time. This fundamental visual skill — called “multiple object tracking” (MOT) — also dramatically declines as you get older.
  • As you get older, you progressively lose the ability to accurately detect and respond to visual events in your far visual periphery.
  • If you’ve reached your 50th birthday, DriveSharp training is especially important for upgrading and sustaining your driving competence. It’s all about maintaining your performance abilities in driving as in all other ways at the highest possible level, throughout the second half of life.
  • few other benefits demonstrated by published studies originating with the Ball/Roenker team (including University of South Florida scientist Sherri Willis and a University of Iowa scientist, Fred Wolinsky).
  • 1) You’re healthier after DriveSharp training! Five years after training, Physical indices of Quality of Life are more than 30% higher — maybe because you get out more.
  • Trainees are much more likely to have retained your driver’s license — and to have sustained their personal independence.
  • After DriveSharp, you are a more confident driver, as expressed by gains in the number of times you drive each week, by an increase in average driving distances, and by your driving more often at night, or in the rain or snow.
  • Try DriveSharp now: If you are a member of one of the participating AAA clubs, please visit your AAA club’s website for more information and a special offer on DriveSharp. If not, please visit www.DriveSharp.com or call (866)599-6463 to learn more.
  • Tero Toivanen on 19 Jul 09
     
    Today, Posit Science announced the release of a new computer-based visual training tool, DriveSharp, specifically designed to improve the performance abilities of adult automobile drivers to a degree that can be expected to very substantially impact their driving safety.
Tero Toivanen

Eide Neurolearning Blog: Recess Essential for Improving Attention - 0 views

eideneurolearningblog.blogspot.com/...s-essential-for-improving.html

neurolearning recess learning behavior

shared by Tero Toivanen on 23 May 09 - Cached
  • New research suggests that play and down time may be as important to a child’s academic experience as reading, science and math, and that regular recess, fitness or nature time can influence behavior, concentration and even grades.
  • Young children with sensory processing disorders are especially susceptible to behavioral and attention problems if they are not allowed to move and exercise throughout their day.
  • Tero Toivanen on 23 May 09
     
    New research suggests that play and down time may be as important to a child's academic experience as reading, science and math, and that regular recess, fitness or nature time can influence behavior, concentration and even grades.
Tero Toivanen

Growing evidence of the brain's plasticity could benefit stroke victims or those suffer... - 0 views

www.guardian.co.uk/...neuroscience-stroke-depression

brain plasticity

shared by Tero Toivanen on 23 May 09 - Cached
  • With the right training, scientists now know the brain can reshape itself to work around dead and damaged areas, often with dramatic benefits.
  • Therapies that exploit the brain's power to adapt have helped people overcome damage caused by strokes, depression, anxiety and learning disabilities, and may one day replace drugs for some of these conditions.
  • Children with language difficulties have been shown to make significant progress using computer training tools that are the equivalent of cerebral cross-training.
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  • Neuroplasticity does not see the different regions of the brain as completely versatile and certainly not interchangeable. But it recognises that if part of the brain is damaged, it can be possible to train other areas to take on, at least to some extent, the job of the lost brain matter.
  • Doidge says he is not anti-medication, but wonders if therapies that tap into neuro-plasticity will soon replace drug treatments for certain conditions. "We can change our brains by sensing, imagining and acting in the world. It's economical and mostly low-tech, and I'm very, very hopeful"
  • Tero Toivanen on 23 May 09
     
    With the right training, scientists now know the brain can reshape itself to work around dead and damaged areas, often with dramatic benefits.
Tero Toivanen

YouTube - Posit Science: The Science with Dr. Merzenich - 0 views

www.youtube.com/watch

brain plasticity neuropsychology Michael Merzenich change abilities learning neuroplasticity practice language youtube

shared by Tero Toivanen on 05 Oct 09 - Cached
  • Tero Toivanen on 05 Oct 09
     
    Dr Michael Merzenich talks about brain plasticity in YouTube video.
Tero Toivanen

Scientists capture the first image of memories being made - 0 views

www.eurekalert.org/...mu-sct061809.php

brain memory protein translation long-term memory proteins synapse synaptic connection learning synaptic plasticity post-synaptic cell neurons

shared by Tero Toivanen on 21 Jun 09 - Cached
  • A new study by researchers at the Montreal Neurological Institute and Hospital (The Neuro), McGill University and University of California, Los Angeles has captured an image for the first time of a mechanism, specifically protein translation, which underlies long-term memory formation. The finding provides the first visual evidence that when a new memory is formed new proteins are made locally at the synapse - the connection between nerve cells - increasing the strength of the synaptic connection and reinforcing the memory. The study published in Science, is important for understanding how memory traces are created and the ability to monitor it in real time will allow a detailed understanding of how memories are formed.
  • research has focused on synapses which are the main site of exchange and storage in the brain.
  • They form a vast but also constantly fluctuating network of connections whose ability to change and adapt, called synaptic plasticity, may be the fundamental basis of learning and memory.
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  • Using a translational reporter, a fluorescent protein that can be easily detected and tracked, we directly visualized the increased local translation, or protein synthesis, during memory formation.
  • Importantly, this translation was synapse-specific and it required activation of the post-synaptic cell, showing that this step required cooperation between the pre and post-synaptic compartments, the parts of the two neurons that meet at the synapse.
  • This study provides evidence that a mechanism that mediates this gene expression during neuronal plasticity involves regulated translation of localized mRNA at stimulated synapses.
  • Tero Toivanen on 21 Jun 09
     
    A new study by researchers at the Montreal Neurological Institute and Hospital (The Neuro), McGill University and University of California, Los Angeles has captured an image for the first time of a mechanism, specifically protein translation, which underlies long-term memory formation.
Tero Toivanen

Your Brain at Work - YouTube - 0 views

www.youtube.com/watch

brain research neuroscience learning neurons synapse memory science problem solving

shared by Tero Toivanen on 03 Nov 12 - Cached
  • Tero Toivanen on 03 Nov 12
     
    This is Fantastic!
  • Tero Toivanen on 03 Nov 12
     
    This is Fantastic! via Jesse Soininen
Ruth Howard

BBC News - Brain scans 'can distinguish memories', say scientists - 0 views

news.bbc.co.uk/...8556422.stm

brainscan brain bbc news neuroscience science research learning memory neurons synapse

shared by Ruth Howard on 12 Mar 10 - Cached
  • Ruth Howard on 12 Mar 10
     
    Scientists say they have been able to tell which past event a person is recalling using a brain scan. The University College London researchers showed people film clips and were able to predict which ones they were subsequently thinking about.
Tero Toivanen

Sign language study shows multiple brain regions wired for language - 1 views

www.eurekalert.org/...uor-sls042910.php

sign language study language brain University of Rochester language capabilities

shared by Tero Toivanen on 30 Apr 10 - Cached
  • A new study from the University of Rochester finds that there is no single advanced area of the human brain that gives it language capabilities above and beyond those of any other animal species.
  • Instead, humans rely on several regions of the brain, each designed to accomplish different primitive tasks, in order to make sense of a sentence.
  • "We're using and adapting the machinery we already have in our brains," said study coauthor Aaron Newman. "Obviously we're doing something different [from other animals], because we're able to learn language unlike any other species. But it's not because some little black box evolved specially in our brain that does only language, and nothing else."
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  • The team of brain and cognitive scientists
  • published their findings in the latest edition of the journal Proceedings of the National Academies of Sciences.
  • The study found that there are, in fact, distinct regions of the brain that are used to process the two types of sentences: those in which word order determined the relationships between the sentence elements, and those in which inflection was providing the information.
  • In fact, Newman said, in trying to understand different types of grammar, humans draw on regions of the brain that are designed to accomplish primitive tasks that relate to the type of sentence they are trying to interpret. For instance, a word order sentence draws on parts of the frontal cortex that give humans the ability to put information into sequences, while an inflectional sentence draws on parts of the temporal lobe that specialize in dividing information into its constituent parts, the study demonstrated.
  • Tero Toivanen on 30 Apr 10
     
    A new study from the University of Rochester finds that there is no single advanced area of the human brain that gives it language capabilities above and beyond those of any other animal species.
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