In an effort to explore S. Orton's "intergrading" hypothesis, six developmental dyslexics (ages 16 to 47) and four good readers were tested on measures of interhemispheric coordination. Dyslexics showed reduced laterality bias and longer response latencies to bihemifield stimuli. (Author/DB)

This paper examines the influence of Norman Geschwind's model of connectionism, in which complex functions are built up by connecting primary areas in the brain, and notes his studies of the effects of disconnection on dyslexic individuals. Connectionist-based behavioral studies are reviewed, focusing on intracortical association connections and…

Family histories of 12 hyperlexic (precocious word reading with little comprehension often associated with autism) children (5-10 years old) were investigated. Results suggested familial tendencies to disorders of language, reading, writing, and spelling in male relatives, along with a high incidence of nonright-handedness. (Author/DB)