Sjögren-Larsson Syndrome and Histidinemia: Hereditary Biochemical Diseases with Defects of Speech and Oral Functions

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Abstract
Sjogren and Larsson reported, 1956-57, a combination of oligophrenia, spasticity, Little''s types, ichthyosis and retinal changes, all patients being of Swedish ancestry except two Lapps. The authors studied a population in North Carolina for two diseases, one known locally as "red-eye", the other known as "falling children". 14 examples of the spasticity syndrome have been found to date. This group apparently descended from three brothers by the name of Dickboy in 1790 and also from an Indian by the name of Hung. Other speech and language disorders may also prove to be biochemical defects.