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Tero Toivanen

Tests find benefit of sleeping on job - Science, News - The Independent - 0 views

www.independent.co.uk/...f-sleeping-on-job-1700191.html

brain sleep REM problem solving

shared by Tero Toivanen on 09 Jun 09 - Cached
  • A type of dreamy sleep that occurs more frequently in the early morning is important for solving problems that cannot be easily answered during the day, a study has found.
  • The discovery could explain many anecdotal accounts of famous intellectuals who had wrestled with a problem only to find that they have solved it by the morning after a good night's sleep.
  • Scientists believe that a form of dreaming slumber called rapid-eye movement (REM) sleep, when the brain becomes relatively active and the eyes flicker from side to side under closed eyelids, plays a crucial role in subconscious problem solving.
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  • In a series of tests on nearly 80 people, the researchers found that REM sleep increases the chances of someone being able to successfully solve a new problem involving creative associations – finding an underlying pattern behind complex information.
  • Those people who had enjoyed REM sleep improved significantly, by about 40 per cent, while the other volunteers who had not had REM sleep showed little if any improvement, according to the study published in the journal Proceedings of the National Academy of Sciences.
  • The researchers suggest that it is not merely sleep itself, or the simple passage of time, that is important for the solving of a new problem, but the act of being able to fall into a state of REM sleep where the brain slips into a different kind of neural activity that encourages the formation of new nerve connections.
  • Tero Toivanen on 09 Jun 09
     
    A type of dreamy sleep that occurs more frequently in the early morning is important for solving problems that cannot be easily answered during the day, a study has found.
Tero Toivanen

Eide Neurolearning Blog: The Biology of Creativity - Right Hemispheric Thinking, Proble... - 0 views

eideneurolearningblog.blogspot.com/...ativity-right-hemispheric.html

neurolearning brain hemispheric creativity Right Hemispheric Thinking

shared by Tero Toivanen on 23 May 09 - Cached
  • A Northwestern research group has found that people that solve anagram puzzles by sudden insight rather than by conscious search or analytic strategies have an EEG resting state that prefers the right over the left hemisphere.
  • How often it does seem that it's the highly creative child who is having the greatest struggles in the conventional classroom! It's nice finding research that backs up the association. From this Harvard study, a diffuse attentional style was much more common among individuals with high lifetime levels of creative achievement.
  • The study concludes with a final interesting finding that differences in this attentional style might account for why high IQ beyond a certain point doesn't correlate with higher levels of creative achievement (the threshold effect...e.g. that once one is beyond 120, higher numbers don't correlate with enhanced achievement). If a focused vs. diffuse attentional style is taken into account, then it becomes more evident that diffuse attentional style + high IQ are important factors that contribute to high levels of creative achievement.
  • Tero Toivanen on 23 May 09
     
    A Northwestern research group has found that people that solve anagram puzzles by sudden insight rather than by conscious search or analytic strategies have an EEG resting state that prefers the right over the left hemisphere.
Tero Toivanen

Let me sleep on it: Creative problem solving enhanced by REM sleep - 0 views

www.physorg.com/news163700544.html

REM sleep problem solving brain neuropsychology

shared by Tero Toivanen on 09 Jun 09 - Cached
  • "Participants grouped by REM sleep, non-REM sleep and quiet rest were indistinguishable on measures of memory," said Cai. "Although the quiet rest and non-REM sleep groups received the same prior exposure to the task, they displayed no improvement on the RAT test. Strikingly, however, the REM sleep group improved by almost 40 percent over their morning performances."
  • The study by Sara Mednick, PhD, assistant professor of psychiatry at UC San Diego and the VA San Diego Healthcare System, and first author Denise Cai, graduate student in the UC San Diego Department of Psychology, shows that REM directly enhances creative processing more than any other sleep or wake state. Their findings will be published in the June 8th online edition of the Proceedings of the National Academy of Sciences (PNAS).
  • Tero Toivanen on 09 Jun 09
     
    "Participants grouped by REM sleep, non-REM sleep and quiet rest were indistinguishable on measures of memory," said Cai. "Although the quiet rest and non-REM sleep groups received the same prior exposure to the task, they displayed no improvement on the RAT test. Strikingly, however, the REM sleep group improved by almost 40 percent over their morning performances."
cecilia marie

Computer Problem Solved - 1 views

I was having difficulties with the computer problem I am facing with and it really disturbs me. I cannot proceed with my school works well because it keeps on showing up. Then I discovered Compu...

computer problem

started by cecilia marie on 13 Jul 11 no follow-up yet
David McGavock

The Top 10 Challenges for Brain Science in 2013 - Forbes - 0 views

www.forbes.com/...nges-for-brain-science-in-2013

shared by David McGavock on 31 Dec 12 - No Cached
  • 1. Figure out what fMRI can truly tell us about our brains. 
  • There’s little question fMRI is valuable, but too many disparate forces are out there spinning brain scans in too many ways. Perhaps one solution, or start of a solution, is a summit hosted by a credible, well-respected institute or organization to gather the best of the best minds in the field to establish a game plan moving forward.
  • 2. Determine what role, if any, neuroscience should play in the courtroom.
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  • . Continue crafting a constructive consilience between disciplines.
  • Neuroscience, behavioral science, evolutionary biology, economics, engineering, and even the humanities have all come to the proverbial table in the last few years
  • Produce more applicable knowledge and less curious meanderings.
  • 7. Join forces with more public health sources to engender broader awareness of critical issues. 
  • Again, what is truly “solid applicable knowledge” is frequently debatable (see #1 above), but every year the field–and by that I mean the interdisciplinary field (#3)–has more to offer the public.
  • How about we spend more time trying to solve the problems and less time concocting clever catch phrases?
  • Shine the light on how far the forces of marketing have exploited brain science advances (this is a genuine public service).
  • I am an unwavering advocate of making sure people understand how the forces of marketing are using the field to sell more products.
  • Try to fight the urge to spin off more headline pablum like “Brain Porn.”
  • 8. Put the brakes on “building a brain” — we already have plenty of them.
  • in my opinion we have enough to do with respect to figuring our how our organic brain works without spending massive resources on trying to recreate one.
  • 9. Turn the corner from “what’s wrong with our brains” to “what we can really do about it.” 
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
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

The Neural Advantage of Speaking 2 Languages: Scientific American - 0 views

www.scientificamerican.com/article.cfm

brain bilingual research skills second language monolingual

shared by Tero Toivanen on 22 Jan 10 - Cached
  • The ability to speak a second language isn’t the only thing that distinguishes bilingual people from their monolingual counterparts—their brains work differently, too. Research has shown, for instance, that children who know two languages more easily solve problems that involve misleading cues.
  • The findings suggest that after learning a second language, people never look at words the same way again.
  • “The most important implication of the study is that even when a per­son is reading in his or her native language, there is an influence of knowledge of the nondominant second language,” Van Assche notes. “Becoming a bilingual changes one of people’s most automatic skills.”
  • Tero Toivanen on 22 Jan 10
     
    "The most important implication of the study is that even when a per son is reading in his or her native language, there is an influence of knowledge of the nondominant second language," Van Assche notes. "Becoming a bilingual changes one of people's most automatic skills."
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