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Why Can’t Students Get the Concept of Math?
This article from the International Dyslexia Association Perspectives describes three specific issues students often have with concepts and discusses why it’s really not a good thing to let the confusion persist.
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This is a study of Dyscalculia among people who take Evista (raloxifene hydrochloride).The study is created by eHealthMe based on 4 reports from FDA and user community.
On Jan, 3, 2012: 15,608 people reported to have side effects when taking Evista. Among them, 4 people (0.03%) have Dyscalculia.
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Scientists have homed in on a brain region that leaves some people struggling with mathematics. Their research might point up better ways to teach numbers1.
The study looked at people with dyscalculia – the mathematical equivalent of dyslexia. Up to 6% of children are thought to suffer from the condition; they toil with times tables and can find it tough to add small numbers even as adults.
Dyscalculics have abnormal pulses of activity in a brain furrow called the right intraparietal sulcus, find Nicolas Molko of INSERM, the French Institute of Health and Medical Research in Paris, and his colleagues. The fissure helps the mind to conjure spatial images.
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Poor mathematical abilities adversely affect academic and career opportunities. The neuroanatomical basis of developmental dyscalculia (DD), a specific learning deficit with prevalence rates exceeding 5%, is poorly understood. We used structural MRI and diffusion tensor imaging (DTI) to examine macro- and micro-structural impairments in 7- to 9-year-old children with DD, compared to a group of typically developing (TD) children matched on age, gender, intelligence, reading abilities and working memory capacity. Voxel-based morphometry (VBM) revealed reduced grey matter (GM) bilaterally in superior parietal lobule, intra-parietal sulcus, fusiform gyrus, parahippocampal gyrus and right anterior temporal cortex in children with DD. VBM analysis also showed reduced white matter (WM) volume in right temporal-parietal cortex. DTI revealed reduced fractional anisotropy (FA) in this WM region, pointing to significant right hemisphere micro-structural impairments.
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