what happens in Dislexia, genetic or brain damage ?

what happens in Dislexia, genetic or brain damage ?..

Answer / swapna

Dyslexia is an unexpected impairment in reading and
spelling despite a normal intellect.

Dyslexia results from a disfunction in visual memory and
visual perception due to a delayment in maturation. Most
dyslexics also display poor writing ability.

Dyslexia is a classical primary reading disorder and should
be differentiated from secondary disorders such as mental
retardation, educational or environmental deprivation, or
physical/organic diseases.

The disorder results as a combination of genetic and
environmental causes, which can induce variations in the
behavioral, cognitive, and physiological measures related
to reading disability. Dyslexia was previously called
congenital word blindness.

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