The effect of glucose administration on the recollection and familiarity components of recognition memory

S.I. Sunram-Lea, S.A. Dewhurst, Jonathan Foster

    Research output: Contribution to journalArticle

    26 Citations (Scopus)

    Abstract

    Previous research has demonstrated that glucose administration facilitates long-term memory performance. The aim of the present research was to evaluate the effect of glucose administration on different components of long-term recognition memory. Fifty-six healthy young individuals received (a) a drink containing 25 g of glucose or (b) an inert placebo drink. Recollection and familiarity components of recognition memory were measured using the 'remember-know' paradigm. The results revealed that glucose administration led to significantly increased proportion of recognition responses based on recollection, but had no effect on the proportion of recognition responses made through participants' detection of stimulus familiarity. Consequently, the data suggest that glucose administration appears to facilitate recognition memory that is accompanied by recollection of contextual details and episodic richness. The findings also suggest that memory tasks that result in high levels of hippocampal activity may be more likely to be enhanced by glucose administration than tasks that are less reliant on medial temporal lobe structures. (C) 2007 Elsevier B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)69-75
    JournalBiological Psychology
    Volume77
    Issue number1
    DOIs
    Publication statusPublished - 2008

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