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Individual differences |
Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |
Samuel Torrey Orton (October 15, 1879–November 17, 1948) was an American physician who pioneered the study of learning learning disabilities. He is best known for his work examining the causes and treatment of reading disability, or dyslexia.
Orton's interest in learning disabilities came about from his work as a pathologist in Massachusetts, where he worked with adult patients with brain damage. This led him to study why some children with apparently intact neurological functioning have language disabilities. His study of reading difficulties in children led him to the hypothesis that these individuals have failed to establish appropriate cerebral organization to support the association of visual words with their spoken forms. . He termed this difficulty Strephosymbolia, meaning "twisted symbols". This term stemmed from Orton’s observation that many of the children he worked with tended to reverse letters or transpose their order. Orton also reported that some of his research subjects could read more easily if they held pages up to a mirror, and a few were rapid mirror writers.
Working in the 1920’s, Orton did not have access to modern brain scanning equipment,but he knew from his work with brain damaged adults that injuries to the left hemisphere produced symptoms similar to those he observed in children. Many of the children Orton studied were also ambidextrous or had mixed handedness. This led Orton to theorize that the children's reading problems stemmed from the failure of the left hemisphere to become dominant over the right. Some of Orton's theories about brain structure and organization would later be confirmed by modern brain researchers, such as Dr. Albert Galaburda, who compared the brains of deceased dyslexic and non-dyslexic adults in the late 1970's.
Dr. Orton’s key contribution to the field of education was the concept of “multisensory” teaching–integrating kinesthetic (movement-based) and tactile (sensory-based) learning strategies with teaching of visual and auditory concepts. Dr. Orton wanted a way to teach reading that would integrate right and left brain functions. He was influenced by the work of fellow psychiatrist 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.
Later, Orton began working with psychologist Anna Gillingham, who introduced a systematic and orderly approach of categorizing and teaching a set of 70 phonograms, single letters and letter pairs representing the 44 discrete sounds (or phonemes) found in English.
In the years since Dr. Orton's death in 1948, his name has come to be strongly associated with the Orton-Gillingham teaching method, which remains the basis of the most prevalent form of remediation and tutoring for children with dyslexia.
- ↑ Orton, ST (2519). 'Word-blindness' in school children.. Archives of Neurology and Psychiatry 14: 285-516.
- Samuel T Orton and June L Orton Personal Papers and Manuscripts at the Columbia University Health Science Library collection
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