Hallgren, Bertil - Specific Dyslexia ("Congenital Word-Blindness"): A Clinical and Genetic Study

Copenhagen, Ejnar Munksgaard, 1950. orig.wrappers. 24x16cm, 287 pp, Several pages bear lightly pencilled underlinings and marginal notes.. Textual charts & tables.. Rubbed. Covers soiled. Some page-edge soil. Good. ¶ Series: Acta Psychiatrica et Neurologica, Supplementum 65. Contents: Heredity in Specific Dyslexia: Survey of the Literature; The Present Material: Assembling & Grouping; The Methods of Examination; Statistical Methods; Clinical Analysis; Physical Illnesses; Neurological Disorders; Visual Defects; Auditory Defects; Speech Defects; Side Dominance; Intelligence; Nervous Disorders; Environmental Factors; The Variability of the Symptoms; The Representativeness of the Material from the Clinical Viewpoint; The Incidence of Specific Dyslexia; Clinical Analysis of the " Borderline Cases"; Clinical Analysis of the Probands in Whose Families No Heredity for Specific Dyslexia Could Be Determined; Genetic-Statistical Analysis: Distribution According to Sex; The Position of the Affected Children in the Birth Series; The Incidence of Consaguineous Marriages; Analysis of the Pedigree Charts; Mendelian Analysis; Twins; The Determination of the "Morbidity" Risk for the Sibs of the Probands; The Action of Natural Selection & Its Possible Significance; Appendices.

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