Contemporary research findings in the fields of perceptual psychology and neurology of the human brain that are directly related to the study of visual communication are reviewed and briefly discussed in this paper. Specifically, the paper identifies those major research findings in visual perception that are relevant to the study of visual…

Children with mental retardation are particularly prone to failure on relational tasks such as oddity and match-to-sample, suggesting a differential sensitivity to relational information. This paper reports on several studies in which characteristics of stimulus arrays were enhanced. Results demonstrated the theoretical and practical significance…