モダリティ効果による単一記憶システムの検討

概要

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Explicit (declarative) and implicit (non-declarative) memory systems have been the focus of research for a number of years in the past. The current consensus is that memory consists of multiple-systems that include distinct explicit and implicit systems. This experiment and model simulation based on the perspective of a single memory system investigated modality-specificity in priming effects, as well as recognition memory in visual and auditory word identification and recognition tasks. The results indicated that within-modality priming effects were more significant than cross-modality effects. Moreover, within-modality recognition was superior to cross-modality recognition. These findings are suggestive of modality-specificity in priming and recognition of visual and auditory materials. In the simulation, the experimental data was applied to a single-system computational model of priming and recognition. Results indicated that the model was valid for within-modality and cross-modality auditory data, suggestive of the possibility that explicit and implicit memory systems are a modality specific single system. It is suggested that future studies should apply experimental data to models of various single- and multiple-systems, in order to identify the nature of memory system.
2012-03-31