Detection of Deficits in Temporal Pattern Discrimination Using the Seashore Rhythm Test in Young Children with Reading Impairments

Abstract

A deficiency in temporal pattern discrimination frequently is a distinguishing characteristic of children with dyslexia or learning disabilities (LD). We studied the feasibility of using the Seashore Rhythm Test, a subtest of the Halstead-Reitan neurological assessment battery (Halstead, 1947), with young children to discriminate children with reading impairments from age-matched controls reading at a normal level, in an effort to develop tools to determine readiness to read in young school-age children. Major considerations in test selection were ease of administration and wide use and acceptance. Fifty-nine children in Grades 1 through 3 were administered a battery of tests during the last 3 weeks of the school year by blinded experimenters. Tests administered included the Seashore Rhythm Test, Benton Visual Retention Test, Peabody Picture Vocabulary Test, Blau Torque Test, and the Rod and Frame Test. Children with reading impairments (n = 24) in all age groups were found to exhibit a marked deficit in the ability to discriminate patterned pairs of tones on the Seashore Rhythm Test compared to controls (n = 26). These children also exhibited deficits in right-left orientation, as indicated by their poor performance on the Blau Torque Test. Performance on the Seashore and the Blau by a group of children diagnosed as learning disabled (n = 9) was similar to the group with reading impairments. No significant differences between controls and children with reading impairments or LD were observed in Rod and Frame or Benton performance. The results suggest that the Seashore Rhythm Test may prove to be a useful tool to detect young children who will later show signs of reading impairment.

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