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Tero Toivanen

Movement Therapy May Also Improve Language Skills in Stroke Patients - 0 views

  • All of the patients exhibited improved motor and language abilities, although the six-week therapy only targeted arm movement. Interesting, Page says, patients exhibiting the greatest improvement on the arm tests also showed the most improvement on the language assessment.
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    All of the patients exhibited improved motor and language abilities, although the six-week therapy only targeted arm movement. Interesting, Page says, patients exhibiting the greatest improvement on the arm tests also showed the most improvement on the language assessment.
Tero Toivanen

Memory Improved 20% by Nature Walk « PsyBlog - 0 views

  • Marc G. Berman and colleagues at the University of Michigan wanted to test the effect of a walk’s scenery on cognitive function (Berman, Jonides & Kaplan, 2008; PDF).
  • In the first of two studies participants were given a 35 minute task involving repeating loads of random numbers back to the experimenter, but in reverse order.
  • The results showed that people’s performance on the test improved by almost 20% after wandering amongst the trees. By comparison those subjected to a busy street did not reliably improve on the test.
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  • These results replicated a previous study by Berto (2005) who found that just viewing pictures of natural scenes had a restorative effect on cognitive function.
  • In the second study participants weren’t even allowed to leave the lab but instead some stared at pictures of natural scenes while others looked at urban environments. The improvements weren’t quite as impressive as the first study, but, once again, the trees and fields beat the roads and lampposts.
  • So just as we might have predicted nature is a kind of natural cognitive enhancer, helping our brain let off steam so it can cruise back up to full functioning.
  • When our minds need refreshing and if natural scenery is accessible, we should take the opportunity. If not then just looking at pictures of nature is a reasonable second best.
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    New study finds that short-term memory is improved 20% by walking in nature, or even just by looking at an image of a natural scene.
Tero Toivanen

First Evidence That Musical Training Affects Brain Development In Young Children - 0 views

  • The findings, published today (20 September 2006) in the online edition of the journal Brain [1], show that not only do the brains of musically-trained children respond to music in a different way to those of the untrained children, but also that the training improves their memory as well. After one year the musically trained children performed better in a memory test that is correlated with general intelligence skills such as literacy, verbal memory, visiospatial processing, mathematics and IQ.
  • Researchers have found the first evidence that young children who take music lessons show different brain development and improved memory over the course of a year compared to children who do not receive musical training.
  • While previous studies have shown that older children given music lessons had greater improvements in IQ scores than children given drama lessons, this is the first study to identify these effects in brain-based measurements in young children.
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  • The researchers chose children being trained by the Suzuki method for several reasons: it ensured the children were all trained in the same way, were not selected for training according to their initial musical talent and had similar support from their families. In addition, because there was no early training in reading music, the Suzuki method provided the researchers with a good model of how training in auditory, sensory and motor activities induces changes in the cortex of the brain.
  • Analysis of the MEG responses showed that across all children, larger responses were seen to the violin tones than to the white noise, indicating that more cortical resources were put to processing meaningful sounds. In addition, the time that it took for the brain to respond to the sounds (the latency of certain MEG components) decreased over the year. This means that as children matured, the electrical conduction between neurons in their brains worked faster.
  • Of most interest, the Suzuki children showed a greater change over the year in response to violin tones in an MEG component (N250m) related to attention and sound discrimination than did the children not taking music lessons.
  • Analysis of the music tasks showed greater improvement over the year in melody, harmony and rhythm processing in the children studying music compared to those not studying music. General memory capacity also improved more in the children studying music than in those not studying music.
  • The finding of very rapid maturation of the N250m component to violin sounds in children taking music lessons fits with their large improvement on the memory test. It suggests that musical training is having an effect on how the brain gets wired for general cognitive functioning related to memory and attention.
  • It is clear that music is good for children's cognitive development and that music should be part of the pre-school and primary school curriculum.
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    Researchers have found the first evidence that young children who take music lessons show different brain development and improved memory over the course of a year compared to children who do not receive musical training.
Tero Toivanen

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

  • "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).
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    "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."
Tero Toivanen

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

  • 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.
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    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

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

  • 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.
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    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

Use It or Lose It: The Principles of Brain Plasticity - 3 views

  • You probably haven't realizd it, but as you acquire an ability – for example, the ability to read – you have actually created a system in the brain that does not exist, that's not in place, in the non-reader. It [the ability; the brain system that controls the ability] actually evolves in you as it has been acquired through experience or learning.
  • "There are some very useful exercises at www.BrainHQ.com that are free, and using them can give a person a better understanding of how exercising your brain can drive it in a rejuvenating direction. Using exercises at BrainHQ, most people, of any age, can drive sharp improvements in brain speed and accuracy, and thereby rewire the brain so that it again represents information in detail," he says.
  • Children operating in the 10th to 20th percentile of academic performance are commonly able to improve their scores to the middle or average level with 20-30 hours of intensive computer-based training. "That's a big difference for the child," he says. "It carries most children who are near the bottom of the class, on the average, to be somewhere in the middle or above average in the class. And that gives struggling children a chance to really succeed and in many cases excel in school."
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  • Careful controlled studies in seniors have also been reported in scientific journals. After 40 hours of computer-based training, the average improvement in cognitive performance across the board was 14 years. On average, if you were 70 years old when you underwent the training after 40 hours of brain training, your cognitive abilities operated like that of a 56-year old. Equally strong or even greater effects were seen in 40 to 50 year olds using the program. Individuals who worked on the BrainHQ exercises at home did just as well as those who completed training in a clinic or research center.
  • Ideally, it would be wise to invest at least 20 minutes a day. But no more than five to seven minutes is to be spent on a specific task. When you spend longer amounts of time on a task, the benefits weaken. According to Dr. Merzenich, the primary benefits occur in the first five or six minutes of the task.
  • Find ways to engage yourself in new learning
  • "When it matters to you, you are going to drive changes in your brain," he explains. "That's something always to keep in mind. If what you're doing seems senseless, meaningless, if it does not matter to you, then you're gaining less from it."
  • Get 15-30 minutes of physical exercise each day,
  • Spend about five minutes every day working on the refinement of a specific, small domain of your physical body.
  • You can typically improve yourself to the highest practical or possible level in anywhere between five to a dozen brief sessions of seven or eight minutes each. Again, having a sense of purpose is crucial.
  • Stay socially engaged.
  • Practice "mindfulness,"
  • Foods have an immense impact on your brain, and eating whole foods as described in my nutrition plan will best support your mental and physical health.
  • The medical literature is also showing that coconut oil can be of particular benefit for brain health, and anecdotal evidence suggests it could be very beneficial in the treatment of Alzheimer's disease.
  • Optimize your vitamin D levels
  • Take a high-quality animal-based omega-3 fat.
  • Avoid processed foods and sugars, especially fructose
  • Avoid grains
  • Avoid artificial sweeteners
  • Avoid soy
  • Men who ate tofu at least twice weekly had more cognitive impairment, compared with those who rarely or never ate the soybean curd, and their cognitive test results were about equivalent to what they would have been if they were five years older than their current age.
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    "It was once thought that any brain function lost was irretrievable. Today, research into what's referred to as "brain plasticity" has proven that this is not the case. On the contrary, your brain continues to make new neurons throughout life in response to mental activity."
Tero Toivanen

Cognitive Daily: A quick eye-exercise can improve your performance on memory tests (but... - 0 views

  • If you're taking a test of rote memorization, like words from a list, move your eyes from side to side for about 30 seconds before you start.
  • It may be that this quick activity helps facilitate interaction between the brain hemispheres.
  • any activity that encourages communication between the hemispheres is likely to increase recall.
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  • people who have poorer interactions between the hemispheres should benefit more than others. Who has less interactions between hemispheres? People who are strongly right-handed.
  • Strongly right-handed students remembered significantly more words if they moved their eyes compared to keeping their eyes still. Non-strongly-right-handed students (including left-handers) remembered the same number of words regardless of whether they moved their eyes before the test.
  • strongly right-handed students had significantly fewer false alarms after they moved their eyes back and forth. But for non-strongly-right-handed people, the reverse occurred; moving their eyes caused them to falsely remember more words. So overall, while the eye-saccade exercise helped right-handers, for lefties and for those who didn't have a strongly dominant hand, the exercise actually harmed their performance.
  • You might think that only side-to-side movement would improve performance, but Lyle's team found that moving your eyes up and down caused the same effect.
  • researchers say that other studies have shown that any eye movements increase bilateral activity in the frontal eye field, so it's still possible that hemispheric connectivity can explain the improved performance after eye movements.
  • So why doesn't the exercise work the same way for left-handers? Left handers (and ambidextrous individuals) already have a high level of hemispheric connectivity. Lyle's team speculates that there might be such a thing as too much connectivity, which results in a decrease in performance.
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    Several studies have confirmed this bizarre proposition: If you're taking a test of rote memorization, like words from a list, move your eyes from side to side for about 30 seconds before you start.
Tero Toivanen

Journal of Neuropsychiatric Disease and Treatment - Dove Press - 0 views

  • Increasing evidence has shown that, in animal stroke models, administering melatonin significantly reduces infarct volume, edema, and oxidative damage and improves electrophysiological and behavioral performance.
  • Given that melatonin shows almost no toxicity to humans and possesses multifaceted protective capacity against cerebral ischemia, it is valuable to consider using melatonin in clinical trials on patients suffering from stroke.
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    Increasing evidence has shown that, in animal stroke models, administering melatonin significantly reduces infarct volume, edema, and oxidative damage and improves electrophysiological and behavioral performance.
Tero Toivanen

Mozart Effect and Premature Babies - Child Psychology Research Blog - 0 views

  • listening to classical music, and in particular Mozart, improved test performance in college students
  • In fact, a comprehensive meta-analysis (a statistical reviews of previous studies on the topic) concluded that listening to Mozart actually had no effect on intelligence.
  • Soon after, a series of studies showed that Mozart improves performance in some people because of its calming effects.
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  • Other studies also showed that playing Mozart to at risk infants (premature or those with severe medical complications) resulted in better medical outcomes, such as fewer hospitalization days and more rapid weight gain.
  • In the last issue of the journal Pediatrics, there was a very small yet fascinating study on the effects of Mozart on premature babies.
  • The authors found that within 10 minutes of the start of the music the infants experienced an average of a 10-13% reduction in their “Resting Energy Expenditure” (REE).
  • It is possible that exposing the infants to Mozart reduces their REE and this results in a higher ratio of ‘consumed calories’ to ‘calories used’, and thus more rapid weight gain and better medical outcomes.
  • these findings, combined to previous findings showing improved medical outcomes among at-risk infants exposed to music, makes you wonder whether neonatal intensive care units should consider music exposure as standard practice for at risk infants.
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    Mozart Effect: The effect of music on premature babies
Tero Toivanen

Mnemonics and memory improvement / Pegging and memory - 0 views

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    The system of pegging that I will be outlining over the course of the next few pages, is one of the most important techniques that has so far been developed in the field of Mnemonics, since the discipline was first practised during the time of the ancient Greeks.
Tero Toivanen

Music and Intelligence | Boost Your IQ - 0 views

  • Studies indicate that early exposure to musical training helps a child’s brain reach its potential by generating neural connections utilized in abstract reasoning.
  • The reasoning skills required for a test in spatial reasoning are the same ones children use when they listen to music. Children use these reasoning skills to order the notes in their brain to form the melodies. Also, some concepts of math must be understood in order to understand music. Experts speculate that listening to music exercises the same parts of the brain that handle mathematics, logic, and higher level reasoning.
  • In 1997 a study involving three groups of preschoolers was conducted to determine the effect of music versus computer training on early childhood development.
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  • The group that received the piano/keyboard training scored 34% higher on tests measuring spatial-temporal ability than either of the other two groups. These results suggest that music enhances certain higher brain functions, particularly abstract reasoning skills, required in math and science.
  • The use of music in training four and five year old children yielded the highest improvement in the ability to name body parts.
  • Although the three experimental groups displayed an increase in their ability to name body parts the music group exhibited the highest degree of improvement.
  • First grade students received extensive Kodaly training for seven months.
  • At the end of seven months the experimental group had higher reading scores than the control group, which did not receive any special treatment. Not only did the seven month instruction increase reading scores, but continued musical training proved to be beneficial. The experimental group continued to show higher reading scores with continued training.
  • Students who were involved in arts education achieved higher SAT scores. The longer students were involved in arts education, the higher the increase in SAT scores. This study also correlated arts education with higher scores in standardized tests, reading, English, history, citizenship, and geography.
  • The results indicated that students with a relatively lower socioeconomic status, that were exposed to arts education, had an advantage over those students without any arts education which was proportionally equal to the students with a relatively higher socioeconomic status and exposure to arts education.
  • Music exposure affects older students as well. Three groups of college students were exposed to either Mozart’s Sonata for Two Pianos, K448, a relaxation tape, or silence. The group exposed to the Mozart piece was the only group to achieve an increase on the spatial IQ test. Further studies revealed that neither dance music nor taped short stories produced an increase in spatial IQ similar to the Mozart piece. The increase in spatial IQ appears to be related to some unique aspects of the Mozart piece rather than music in general.
  • Music may not only be related to intelligence by its stimulation of the brain, but it may also increase intelligence by the type of attitudes, interests, and discipline it fosters in children.
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    Studies indicate that early exposure to musical training helps a child's brain reach its potential by generating neural connections utilized in abstract reasoning.
Tero Toivanen

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

  • 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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  • 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.
  • 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.
  • 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.
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    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: Recess Essential for Improving Attention - 0 views

  • 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.
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    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

Brain imaging predicts future reading progress in children with dyslexia - 0 views

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    Brain scans of adolescents with dyslexia can be used to predict the future improvement of their reading skills with an accuracy rate of up to 90 percent, new research indicates. Advanced analyses of the brain activity images are significantly more accurate in driving predictions than standardized reading tests or any other measures of children's behavior.
Tero Toivanen

Cord blood cell transplantation provides improvement for severely brain-injured child - 0 views

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    In three monthly injections, researchers transplanted neurally-committed, autologous cord blood derived cells tagged with iron oxide nanoparticles (SPIO) into the lateral cerebral ventricle of a 16-month old child with severe global hypoxic ischemic brain injury. The study is published in the current issue of Cell Medicine
Tero Toivanen

Does Vitamin D Improve Brain Function?: Scientific American - 0 views

  • And although vitamin D is well known for promoting bone health and regulating vital calcium levels—hence its addition to milk—it does more than that. Scientists have now linked this fat-soluble nutrient’s hormonelike activity to a number of functions throughout the body, including the workings of the brain.
  • We know there are receptors for vitamin D throughout the central nervous system and in the hippocampus
  • We also know vitamin D activates and deactivates enzymes in the brain and the cerebrospinal fluid that are involved in neurotransmitter synthesis and nerve growth.
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  • In addition, animal and laboratory studies suggest vitamin D protects neurons and reduces inflammation.
  • The scientists found that the lower the subjects’ vitamin D levels, the more negatively impacted was their perform­ance on a battery of mental tests. Compared with people with optimum vitamin D levels, those in the lowest quartile were more than twice as likely to be cognitively impaired.
  • The data show that those people with lower vitamin D levels exhibited slower information-processing speed. This correlation was particularly strong among men older than 60 years.
  • Although we now know that low levels of vitamin D are associated with cognitive impairment, we do not know if high or optimum levels will lessen cognitive losses. It is also unclear if giving vitamin D to those who lack it will help them regain some of these high-level functions.
  • So how much is enough vitamin D? Experts say 1,000 to 2,000 IU daily—about the amount your body will synthesize from 15 to 30 minutes of sun exposure two to three times a week—is the ideal range for almost all healthy adults. Keep in mind, however, that skin color, where you live and how much skin you have exposed all affect how much vitamin D you can produce.
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    And although vitamin D is well known for promoting bone health and regulating vital calcium levels-hence its addition to milk-it does more than that. Scientists have now linked this fat-soluble nutrient's hormonelike activity to a number of functions throughout the body, including the workings of the brain.
Tero Toivanen

Charles Limb: Your brain on improv | Video on TED.com - 0 views

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    What happens in the brain during the improvisation
neurola

Neuro Leadership Conference | Neuro Leadership Academy - 2 views

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    Visit neuro-la.com to learn how neuroscience can be used to improve leadership. Improve your abilities and revolutionise your group.
Tero Toivanen

Phasic Firing Of Dopamine Neurons Is Key To Brain's Prediction Of Rewards - 0 views

  • Our research findings provide a direct functional link between the bursting activity of midbrain dopamine neurons and behavior. The research has significant applications for the improvement of health, because the dopamine neurons we are studying are the same neurons that become inactivated during Parkinson's Disease and with the consumption of psychostimulants such as cocaine and amphetamine
  • Midbrain dopamine neurons fire in two characteristic modes, tonic and phasic, which are thought to modulate distinct aspects of behavior. When an unexpected reward is presented to an individual, midbrain dopamine neurons fire high frequency bursts of electrical activity. Those bursts of activity allow us to learn to associate the reward with cues in our environment, which may predict similar rewards in the future.
  • When researchers placed the mice in reward-based situations, they found that the mice without the NMDA receptor in their dopaminergic neurons could not learn tasks that required them to associate sensory cues with reward. Those same mice, however, were able to learn tasks that did not involve an association with rewards.
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