Are Math Skills Built In To The Human Brain?

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Psychologist Véronique Izard discusses a study that suggests Amazonian villagers with no math schooling are just as equipped to solve basic geometry problems as math-trained adults, and cognitive neuropsychologist Brian Butterworth talks about the arithmetic cousin of dyslexia, dyscalculia.

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How old am I? Gimme a second, I KNOW this…

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So while helping the students I tutor with their LD final notes today, the topic of dyscalculia came up. After we discussed it at length, it occurs me to how little people know about it. As someone with dyscalculia, here are my finer points:

  • I cannot compute numbers in my head aside from what we memorize: 2+2=4 etc,. When I try, it’s literally like hitting a mental roadblock. I got nothing. Have to write it down or get a calculator. Formulas and mental calculations are OUT, unless you want me to get that glazed look and start getting shifty.
  • Time is dicey. I cannot mentally determine how much time it’s going to take to get somewhere, do something, or how much time has passed. I’m either late or early – RARELY on time. This is also why when someone asks my age, I typically can’t remember. I’m usually off by a year. I also have a hard time determining when something happened, e.g, “was that four years ago or five?” I estimate everything. Also, I can read a regular watch, but it takes me a few minutes to figure it out. I wear a watch, so when someone asks me the time, I usually just show it to them. Evasive measures.
  • Distance is also tricky. I could not tell you if something is [this many] yards, feet, or miles.  Continue reading

When [5] looks like [6]

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When [5] looks like [6] : a deficit of the number magnitude representation in developmental dyscalculia : behavioural and brain-imaging investigation

The learning of mathematics covers a variety of skills, such as comparing quantities, counting the number of items in a set, dealing with the numerical systems (i.e., writing and reading numbers), performing simple and complex calculations, or solving word problems. Typically, a majority of children are able to master these abilities, but an appreciable percentage of them does not and are then referenced as having developmental dyscalculia. It is clear that not being able to count efficiently, to understand the meaning of numbers, or to calculate as other children do, rapidly becomes a handicap during the development, not only at school but also in society in general, in the same way as not being able to read is. Despite the growing interest observed over these last few years, research on developmental dyscalculia or more general mathematical disability is actually much less advanced than research on dyslexia. It could be due to the complexity of the mathematics field. Several hypotheses have been proposed to account for this learning deficit, but the origin(s) of developmental dyscalculia remain(s) unclear.

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DEVELOPMENT OF MULTIMEDIA LEARNING RESOURCES FOR CHILDREN WITH LEARNING DISABILITIES

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In Malaysia, children with learning disabilities are defined as those with a wide spectrum of different categories of disabilities. These include children with mental retardation, children with specific learning disabilities such as dyslexia and dyscalculia, children with emotional and behavioral disorders which include children with autism and ADHD, children with speech and language problems as well as children with motor difficulties such as dyspraxia.The main defining feature of these children is that their learning difficulties differ from the norm to such an extent that an individualized, adapted and specialized education is required to meet their needs. In order to meet their learning needs, some are placed in regular classes with supplementary instruction and services, but most of these children are placed in special education classes that are attached to normal schools. These special education classes follow a specialized curriculum, and are taught by special education teachers who are trained in special education methods of instruction

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How to Know if a Child Has Dyscalculia

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Dyscalculia is a term that covers a broad range of lifelong learning disabilities in math. Math disabilities are varied, so it’s often difficult to pinpoint specific problem areas. Since there are so many components and skills involved with mathematical thinking, a disability affects each child’s development in different ways. If you’re worried about your child, use these steps to try to identify any potential math learning disability.

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