One of the causes of learning disorders that are often experienced by school children is Dyslexic. Dyslexia is a specific reading disorder, in children. Dyslexia on about 80% of a group of individuals with learning disorders. Famous people who are known to have Albert Einstein was dyslexic dysfunction, Tom Cruise, Orlando Bloom, Whoopi Goldberg, Lee Kuan Yew and Vanessa Amorosi.
Dyslexia (dyslexia) is a condition in which a person's learning disability is caused by difficulties on such person in performing the activities of reading and writing. The word dyslexia comes from the dys-δυς-Greece ("trouble") and λέξις lexis ("letter" or "lexical").
In General, these limitations are only aimed at someone's difficulties in reading and writing, but are not limited to the development of other standards such as the capabilities of intelligence, ability to analyze and sensory power is also on the sense of taste.
Terminology of dyslexia is also used to refer to the loss of the ability to read a person's due as a result of damage to the brain. Dyslexia on this type is often referred to as Aleksia. In addition to affecting the ability to read and write, also the case with dyslexia also affects the ability to speak on a few pengidapnya.
Dyslexic physically would not be seen as a sufferer. Dyslexia is not only limited to the inability to compose or read a sentence in reverse order but also in various sequences, including from top to bottom, left and right, and it is difficult to receive commands that should proceed to the memory in the brain. This often causes a Dyslexic is not considered concentrations in some respects. In other cases, it was found that sufferers are not able to answer questions such as the description, length.
The researchers found this dysfunction caused by the condition of the biochemistry of the brain unstable and also in some ways a result of innate descended from parents.
There are two types of dyslexia, developmental dyslexsia (innate from birth) and aquired dyslexsia (obtained due to disturbance or a change in the way the brain left to read). Developmental dyslexsia suffered throughout the life of the patient and is usually genetic. Some studies mention that the disease is associated with dysfunction of the gray areas in the brain. Such dysfunction is associated with changes in connectivity in the area fonologis (reading). Some of the early signs of dyslexia late talking is innate, not clear articulation and terbalik-balik, the difficulty of learning the shapes and sounds of the letters, confused between the concepts of space and time, as well as difficulty digesting the verbal instructions, fast, and sequence. At school age, generally a Dyslexic can experience keuslitan combine the letters into words, difficulty reading, the difficulty of holding a stationery well, and the difficulty in receiving.