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Title:Using Dyslexia to Explore the Cognitive Characteristics of Illustrations and Text; Using Illustrations and Text to Explore the Cognitive Characteristics of Dyslexia
Author(s):Coppin, Peter
mental imagery
visual thinking
graphic illustration
visual reasoning
visual representation
Abstract:Our information presentations reflect how we think and remember. For example, some people create ideas through concept maps or sketches, while some people use writing. How are ideas presented and/or conceived differently through graphic illustrations relative to text? Dyslexia serves as a natural laboratory to explore this question because the characteristics of a “disability” expose the characteristic of ability. Dyslexic strengths and weaknesses act as independent variables that enable us to explore the cognitive characteristics of illustrated and text presentations. By extending other studies, we conclude that illustrated presentations are more effective for peripheral vision (relative to text), and are useful for visual comparison. Text presentations may be more effective for foveal (center of) vision (relative to illustrations), which is useful for detecting sequential visual processes. Illustrated and text presentations can also act as independent variables that enable us to explore the cognitive characteristics of dyslexia. I will speculate about causes for increased creative abilities in dyslexics by connecting “wide-angle” perceptual abilities to mental imagery and concept formation. Finally, I discuss illustrated and text oriented information presentations within the context of these conjectures.
Issue Date:2009-02-08
Genre:Conference Poster
Date Available in IDEALS:2010-03-31

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