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Unformatted text preview: images (in the case of vision), or more precisely, afterimages. Although the actual stimulus may have disappeared, we may still perceive it for a second or so. The actual length of time an image exists in sensory storage depends on the modality: 1) Iconic memory - a visual image in sensory storage. Although most people seem to believe that visual images last longer (this is based on intuition, not science), they do not - they last approximately 1/4 of a second. 2) Echoic memory - auditory image. These (as well as other senses) seem to last up to 3 seconds. SO, we can see that within sensory storage we have 2 distinct stores - an iconic and echoic....
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- Fall '09