Reading Disability: Age Differences and the Perceptual-Deficit Hypothesis

• Published in: Child development Vol. 46; no. 2; pp. 487 - 493
• Main Authors: Vellutino, Frank R., Smith, Harry, Steger, Joseph A., Kaman, Mitchell
• Format: Journal Article
• Language: English
• Published: United States University of Chicago Press 01.06.1975; University of Chicago Press for the Society for Research in Child Development, etc
• Subjects: Adolescent; Age Factors; Child; Children; Dyslexia - etiology; Female; Form Perception; Geometric designs; Grade levels; Humans; Intelligence quotient; Linguistic scrambling; Male; Oral reading; Orientation; Performance readers; Pronunciation; Reading difficulties; Vision Disorders - complications; Words

The present study assessed the suggestion that specific reading disability is caused by visual-spatial disorder. A previous investigation questioned this hypothesis in demonstrating that poor readers' orientation errors (e. g., b/d; was/saw) result from malfunction in verbal identification rath...