Dyslexia refers to a different learning style for reading and writing not associated with obvious problems such as bad eyesight, poor hearing, low intelligence or behavioural problems. The term Dyslexia means 'difficulty with the lexicon'. Although it can be caused by brain damage (usually referred to as 'Alexia'), the majority of Dyslexics show no evidence of brain trauma. It is believed that Dyslexia is the result of developmental differences in the brain. Studies have shown that often there are other family members who show and have shown similar difficulties, which suggests a genetic or developmental cause of the condition. Dyslexia, as a condition, can show a pronounced difference between individuals, from being very mild to severe. It is not restricted to childhood but can continue throughout a persons life. Nor is it restricted to one sex. Male Dyslexics, however, may show different symptoms to females. Dyslexics may also show a difference depending on which written language they are using, (for example there may be a difference between a Dyslexic who uses English to one who uses Japanese).
Problems can include a persons difficulty with reading and writing, poor short term memory for sequences, (for example numbers), and a 'confused' use of their hands (for example ambidextrous people often show signs of Dyslexia). In addition, occasionally males will show a slower development of language skills in the early part of their lives. Dyslexias include the inability to name letters, to read words or sentences, or to recognize words directly even though they can be sounded out. Dyslexia is not limited to reversing the order of letters in reading or writing, as is often implied in popular culture; it may, for instance, include unexpected spelling mistakes (including phonetic spelling in English) and unusual syntax, and may be associated with dyscalculia. Most theories focus on nonprimary areas in the frontal lobe and the temporal lobe.[1] Studies have linked several forms of dyslexia to genetic markers[2][3][4].
read more at http://en.wikipedia.org/wiki/Dyslexia
and just to show you what it looks like......( i have been dyslexic for 30 years.....)
I cdnuolt blveiee taht I cluod aulaclty uesdnatnrd waht I was rdanieg The phaonmneal pweor of the hmuan mnid Aoccdrnig to rscheearch taem at Cmabrigde Uinervtisy, it deosn't mttaer in waht oredr the ltteers in a wrod are, the olny iprmoatnt tihng is taht the frist and lsat ltteer be in the rghit pclae. The rset can be a taotl mses and you can sitll raed it wouthit a porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe. Such a cdonition is arppoiately cllaed Typoglycemia.
2006-06-23 06:00:02
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answer #1
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answered by melissa 6
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Dyslexia is NOT a factor of intelligence (overall speed of learning), except in that part of its definition is that the learning rate of a dyslexic for print language is much slower than his/her overall intelligence.
Dyslexia is NOT due to a factor of emotional issues.
Dyslexia is NOT due to a factor of motivation (although many untrained people's perceptions, including untrained regular ed teachers, is that dyslexics "just aren't trying").
Dyslexia is NOT due to a factor of gender, race, or home environment (it originates in a "different" wiring pattern from the "norm" in the brain)
2006-06-23 12:43:11
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answer #2
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answered by spedusource 7
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