Interference on memory between olfactory stimulus and visual stimulus with time-interval F Hashimoto |
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Graduate School of Economics, Osaka City University, Japan
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| Many studies have reported on Cross-modal (or Multi-modal) interaction. We tried to resolve the integration mechanism of vision and olfaction on memory. We gave subjects visual stimulus presentation and then (within very short time interval: 0-300 msec) olfactory stimulus presentation. This was the V(isual)-O(lfactory) condition, we did O-V condition too. The visual stimulus was a colored square and the olfactory stimulus a scent of food. Subjects were required to memorize the presented color and scent. About 1 minute later, there were two recall tests: 1: Following presentation of gradual color patches and a scent, subjects were required to recall and identify the memorized color. 2: Following presentation of scents one after another and a color, subjects were required to recall and identify the memorized scent. We found that subject's memory of color is interfered by olfactory stimuli when presented within a short time interval. We also found that this interference is influenced by the interval time, but the relation is not linear. |
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