Math Learning Disabilities
While children with disorders in mathematics are specifically included under the definition of Learning Disabilities, seldom do math learning difficulties cause children to be referred for evaluation. In many school systems, special education services are provided almost exclusively on the basis of children’s reading disabilities. Even after being identified as learning disabled (LD), few children are provided substantive assessmentAssessment is a broad term used to describe the gathering of information about student performance in a particular area. See also formative assessment and summative assessment. and remediation of their arithmetic difficulties. This relative neglect might lead parents and teachers to believe that arithmetic learning problems are not very common, or perhaps not very serious. Different types of math learning problems As with students’ reading disabilities, when math difficulties are present, they range from mild to severe. Mastering basic number facts In summary
5 Ways To Hack Your Brain Into Awesomeness
Much of the brain is still mysterious to modern science, possibly because modern science itself is using brains to analyze it. There are probably secrets the brain simply doesn't want us to know. But by no means should that stop us from tinkering around in there, using somewhat questionable and possibly dangerous techniques to make our brains do what we want. We can't vouch for any of these, either their effectiveness or safety. All we can say is that they sound awesome, since apparently you can make your brain... #5. So you just picked up the night shift at your local McDonald's, you have class every morning at 8am and you have no idea how you're going to make it through the day without looking like a guy straight out of Dawn of the Dead, minus the blood... hopefully. "SLEEEEEEEEEP... uh... What if we told you there was a way to sleep for little more than two hours a day, and still feel more refreshed than taking a 12-hour siesta on a bed made entirely out of baby kitten fur? Holy Shit!
Le cerveau des ados : comment ça marche ?
Les adolescents ont parfois des comportements imprévisibles qui peuvent les faire passer d’une attitude mature à une prise de risques parfois soldée d’accidents. Ces modifications semblent liées à des réarrangements dans les connexions cérébrales, en particulier le lobe frontal. Prenez un jeune garçon de 14 ans lors d’une expérience où il doit prendre une décision très simple que même un enfant de 8 ans réussit : quand il voit une lumière au coin de son champ visuel, il doit l’ignorer et continuer de regarder droit devant lui. Mais pour cela, il lui faut contrôler une impulsion naturelle qui le pousse à jeter un œil. En fait, le cerveau adolescent fonctionne comme celui des adultes, mais exécutant une tâche beaucoup plus difficile. Vers l’âge de 12 ans, le cerveau a la taille, les circonvolutions, le poids et les régions spécialisées d’un cerveau adulte. D’après Kendall Powell pour Nature- vol.442 - 24 Août 2006.
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Brain 'entanglement' could explain memories - life - 12 January 2010
Subatomic particles do it. Now the observation that groups of brain cells seem to have their own version of quantum entanglement, or "spooky action at a distance", could help explain how our minds combine experiences from many different senses into one memory. Previous experiments have shown that the electrical activity of neurons in separate parts of the brain can oscillate simultaneously at the same frequency – a process known as phase locking . The frequency seems to be a signature that marks out neurons working on the same task, allowing them to identify each other. Dietmar Plenz and Tara Thiagarajan at the National Institute of Mental Health in Bethesda, Maryland, wondered whether more complicated signatures also link groups of neurons. In both cases, the researchers noticed that the voltage of the electrical signal in groups of neurons separated by up to 10 millimetres sometimes rose and fell with exactly the same rhythm. Perfect clones New Scientist Not just a website!
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