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Afasiaan liittyviä blogeja ja internet-sivustoja
Updated on 2009-12-13
Created on 2009-02-09
Category: Science
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Developing Intelligence : When Pigs Fly But Hell Hasn't Frozen Over: Semantic Anomalies, Context, and the Inferior Frontal Gyri
Semantic Anomalies, Context, and the Inferior Frontal Gyri
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Developing Intelligence : Novelty Detection: Domain General and Domain Specific Mechanisms
An astonishing recent discovery in computational neuroscience is the relationship between dopamine and the "temporal differences" reinforcement learning algorithm
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Neurophilosophy : The neurological basis of intuition
According to a new study, our gut feelings can enhance the retrieval of explicitly encoded memories. Eksplisiittisen ja implisiittisen muistitiedon käsittely aivoissa.
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Facts and Myths About the Brain and Learning « Learning Landscape
Facts and Myths About the Brain and Learning
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Six Ways to Boost Brainpower: Scientific American
Kuusi tapaa parantaa aivojen toimintaa: 1. harjoitus, 2. ruokavalio, 3. stimulantit, 4. videopelit, 5. musiikki ja 6. mietiskely
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Neurophilosophy : Reading the contents of working memory
Oleltuksia siitä, miten työmuisti toimii aivoissa.
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The Mouse Trap: Psychosis and Salience dysregulation
Regular readers of this blog will know that I subscribe to the incentive salience theory of doapmaine propounded by Berridge et al. As per this theory dopamine mediates the salience of an internal/ external stimulus and endows and activates the motivational salience related to that stimulus. In simple words the mesolimbic dopamine systems serves to identify the importance of a stimulus to us- be it aversive or pleasurable.
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The Mouse Trap: Perosnality and Neurotransmitters
Although all introductory Psychology textbooks warn against any simplistic correlations between neurotransmitters and complex behavioral and cognitive measures like Personality traits, I am going to do exactly that in this post.
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» Working Memory Training can Influence Brain Biochemistry « Brain Fitness Revolution at SharpBrains
The major finding was that increased working memory capacity following training was associated with changes in brain biochemistry. Specifically, the researchers found changes in the density and binding potential of cortical D1 dopamine receptors in brain regions that are activated during working memory tasks.
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The major finding was that increased working memory capacity following training was associated with changes in brain biochemistry. Specifically, the researchers found changes in the density and binding potential of cortical D1 dopamine receptors in brain regions that are activated during working memory tasks.
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How to Save New Brain Cells: Scientific American
New research suggests that the cells ultimately help with learning complex tasks—and the more they are challenged, the more they flourish.
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Eide Neurolearning Blog: Why Boys Need Alternatives with Reading and Writing
Boys require two areas and a matching of visual-auditory inputs, impairment in one system may cause the whole language coordination process to fail.
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If you give girls and boys language tasks, most girls will process the information in the same way (in a specialized language area)
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help them with word storage and retrieval
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Eide Neurolearning Blog: Recess Essential for Improving Attention
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.
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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.
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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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Memory Improved 20% by Nature Walk « PsyBlog
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.
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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).
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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.
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Psychology Today: Flavonoids: Antioxidants Help the Mind
Flavonoids: Antioxidants Help the Mind
Naturally occurring plant pigments, flavonoids are one of the reasons fruits and vegetables are so good for you. Among the many benefits attributed to flavonoids are reduced risk of cancer, heart disease, asthma, and stroke.
Apples, Green Tea, Chocolate and Red Wine-
Apples
Quercetin is the flavonoid that enables
apples to keep the doctor away. Quercetin has been shown to reduce
cancer risk, prevent heart attacks, stave off cataracts, control asthma,
prevent recurrent gout attacks, and speed healing from acid
reflux.
Green TeaGreen tea contains, among others, the
cancer-fighting flavonoid epigallocatechin gallate (ECGC). ECGC is unique
in that it seems to battle cancer at all stages, from thwarting chemical
carcinogens, to suppressing the spread of tumors. ECGC is as much as 100
times more powerful an antioxidant as vitamin C, and 25 times more
powerful than vitamin E. ECGC also may account for the antibacterial
properties of green tea.
ChocolateChocolate contains many of the same
flavonoids found in tea. The darker the chocolate, the more flavonoids
present. Cocoa powder is the richest source by weight, and to maximize
your benefits, make your hot chocolate from scratch. Homemade hot
chocolate will provide you with more flavonoids than a store-bought
mix.
Red WineFlavonoids are the source of the
well-known "French Paradox"—the ability of the French to consume lots of
fat-laden cheese without dropping like flies from heart attacks. The red
wine they enjoy is flavonoid-rich, which lowers their risk of
heart disease. And if you're not a drinker, you can get almost all the
same benefits from purple grape juice.
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Neurophilosophy : Experience induces global reorganization of brain circuitry
Experience induces global reorganization of brain circuitry.
This new research provides the first evidence that the local modifications in synaptic connections induced by LTP lead to long-lasting changes in the activity of a diffuse network of brain regions, and even to facilitated communication between the two hemispheres.-
Now referred to as long-term potentiation (LTP), this mechanism has since become the most intensively studied in modern neuroscience,and is widely believed to be the cellular basis of learning and memory, although this is yet to be proven unequivocally.
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In the new study, Santiago Canals of the Max Planck Institute for Biological Cybernetics in Tübingen and his colleagues used the same protocol to induce LTP. But while the vast majority of researchers have investigated LTP in slices of hippocampal tissue, this study involved observing LTP in live animals.
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Dormir poco causa problemas en las arterias coronarias
Dormir poco causa problemas en las arterias coronarias
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Las arterias calcificadas, sin embargo, se encontraron en el 27
por ciento de aquellos que dormían menos de cinco horas diarias por
noche y el porcentaje era de un 11 por ciento en quienes dormían
entre cinco y siete horas diarias por noche, y de tan sólo un seis
por ciento en quienes dormían más de siete horas por noche.
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Journal of Neuropsychiatric Disease and Treatment - Dove Press
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.
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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.
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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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