Sensory integration dysfunction (SID, also known as sensory processing disorder, SPD) is a condition that exists when a person's multisensory integration fails to process and respond adequately to the demands of the environment. Children with SID (CwSID) are also learners with disabilities with regard to responding adequately to the demands made…

The purpose of this study was to examine if student understanding of new material could be promoted by manipulating the perceptual factors experienced at the time of learning. It was hypothesized that the thematic relevance of perceptual factors would be a significant contributor to learner understanding. To test this hypothesis, one hundred…