In 1983, Psychologist Howard Gardner identified seven intelligences. Among these was spatial (visual) intelligence, the tendency to learn through images. Individuals who are generally spatial learners have a propensity to think in pictures or with art-related such as color, space and texture. The primary purpose of visual aids is to effectively integrate auditory and visual information. The best visual aids reinforce rather than repeat what is spoken. According to "Visual, Auditory, and Kinesthetic Learners", approximately 40 percent of students have better recall of information if it's presented with pictures or other visual aids or prompts. Use of visual aids is an important recall mechanism.

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