This study measured unilateral, tachistoscopic naming reaction times of 30 normal and 30 reading-disordered children (mean age of 9.3 years) to objects representing two levels of picture vocabulary age. Reading disabled subjects are enrolled in the Reading Center, a diagnostic and treatment program for disabled readers at Bowling Green State…

Twenty-four adults with mild mental retardation were compared with equal-mental age children and adults without mental retardation on tactile processing asymmetries. Results suggest that hemispheric processing is dependent on information processing requirements rather than type of stimulus. (Author/JDD)