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Hermann, Howard T.; And Others – Annals of Dyslexia, 1986
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)
Descriptors: Adults, Brain Hemisphere Functions, Dyslexia, Lateral Dominance
Bergen, Anne-Marie E.; Mosley, James L. – American Journal on Mental Retardation, 1994
This study, involving adults with and without mental retardation and mental age-matched children, employed a lateralized presentation of Stroop color words, neutral words, and the subject's first name. Individuals with mental retardation experienced difficulty in effortful processing (inhibiting the reading response on the Stroop trials) and in…
Descriptors: Adults, Attention, Brain Hemisphere Functions, Cognitive Processes
Miezejeski, Charles M.; And Others – American Journal on Mental Retardation, 1994
Brainstem auditory evoked response latencies were studied in 80 males (13 with Down's syndrome). Latencies for waves P3 and P5 were shorter for Down's syndrome subjects, who also showed a different pattern of left versus right ear responses. Results suggest decreased lateralization and receptive and expressive language ability among people with…
Descriptors: Adults, Brain Hemisphere Functions, Children, Downs Syndrome