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Some cases run in families. Dyslexia that develops due to a traumatic brain injury, stroke, or dementia is sometimes called "acquired dyslexia" or alexia. The underlying mechanisms of dyslexia result from differences within the brain's language processing. Dyslexia is diagnosed through a series of tests of memory, vision, spelling, and reading ...
Parallel letter recognition is the most widely accepted model of word recognition by psychologists today. [3] In this model, all letters within a group are perceived simultaneously for word recognition. In contrast, the serial recognition model proposes that letters are recognized individually, one by one, before being integrated for word ...
Other names: Reading disorder: Difficulties in processing letters and words: Specialty: Neurology, pediatrics: Symptoms: Trouble reading [1] Usual onset: School age [2] Types: Surface dyslexia: Causes: Genetic and environmental factors [2] Risk factors: Family history, attention deficit hyperactivity disorder [3] Diagnostic method
Although it is a genetic disorder, there is no specific locus in the brain for reading and writing. The human brain does have language centers (for spoken and gestural communication), but written language is a cultural artifact, and a very complex one requiring brain regions designed to recognize and interpret written symbols as representations ...
Most famous parts of the brain highlighted in different colours. The human brain anatomical regions are ordered following standard neuroanatomy hierarchies. Functional, connective, and developmental regions are listed in parentheses where appropriate.
NeuroNames is an integrated nomenclature for structures in the brain and spinal cord of the four species most studied by neuroscientists: human, macaque, rat and mouse. It offers a standard, controlled vocabulary of common names for structures, which is suitable for unambiguous neuroanatomical indexing of information in digital databases. Terms ...
Letter addition/subtraction - People with dyslexia may perceive a word with letters added, subtracted, or repeated. This can lead to confusion between two words containing most of the same letters. Highly phoneticized spelling - People with dyslexia also commonly spell words inconsistently, but in a highly phonetic form, such as writing "shud ...
Dr. Orton wanted a way to teach reading that would integrate right and left brain functions. He was influenced by the work of fellow psychologist Grace Fernald, who had developed a kinesthetic approach involving writing in the air and tracing words in large written or scripted format, while simultaneously saying the names and sounds of the letters.