Abstract: Using familiar and unfamiliar phrases as materials, this study investigated the central effects on recognition. Results indicated that no VDT difference was found between familiar phrases of 2—6 words, but the VDT difference is significant when the word order of these same phrases were changed. For the unfamiliar phrases no such difference was founded under the same condition. On the other hand, the VDT for the familiar phrases with word order changed is significantly higher than the unfamiliar phrases. It is suggested that central effects may affect recognition in two ways, facilitating and interfering. Problems of the storage systems of language in human brain were discussed.

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