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Journal of Speech and Hearing Research Vol.39 870-880 August 1996.
© American Speech-Language-Hearing Association
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Effect of Visual and Inferential Variables on Scene Descriptions by Right-Hemisphere-Damaged and Non-Brain-Damaged Adults

Penelope S. Myers 1
Robert H. Brookshire 2
1 Mayo Clinic Rochester, Minnesota
2 Department of Veterans Affairs Medical Center and Department of Communication Disorders University of Minnesota Minneapolis

This study investigated the effects of visual and inferential complexity on the pictured scene descriptions of right-hemisphere-damaged (RHD) and non-brain-damaged (NBD) adults. The number and accuracy of noun phrases generated by both groups were significantly affected by the inferential complexity of pictured scenes, but not by their visual complexity (as measured by the number of objects and amount of object embedding in the scenes). RHD subjects, particularly those with high levels of neglect, were significantly impaired relative to the NBD subjects in generating accurate inferences from the pictures, but not in their ability to recognize and identify pictured elements.

KEY WORDS: right-hemisphere-damage, inference deficits, visual complexity, neglect, communication disorders

Submitted on April 7, 1995
Accepted on March 22, 1996






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