Recognizing the unconscious

Trevor T. J. Chong, Masud Husain, Clive R. Rosenthal

    Research output: Contribution to journalLetterpeer-review

    11 Citations (Scopus)
    2 Downloads (Pure)

    Abstract

    Recognition memory enables us to discriminate whether an event has occurred in the past, and is widely interpreted to reflect the conscious retrieval of episodic traces or familiarity. Non-conscious mnemonic influences, such as repetition priming, are thought to have a negligible effect on standard tests of recognition memory. A major difficulty with this conclusion is that it is exclusively based on the results from experimental protocols that use stimulus materials available to conscious perception. In eight experiments (N = 144), we tested the necessity of mechanisms related to conscious perception for accurate recognition memory by manipulating observers' awareness of either the encoded event and/or the retrieval cues. Remarkably, observers made accurate objective and subjective recognition memory-guided judgments without visual awareness of the encoded events, retrieval cues or, most strikingly, both. These results demonstrate that non-conscious processes can drive accurate recognition memory, and are a significant challenge to neurobiological accounts centered on the conscious retrieval of episodic traces or familiarity.

    Original languageEnglish
    Pages (from-to)R1033-R1035
    Number of pages3
    JournalCurrent Biology
    Volume24
    Issue number21
    DOIs
    Publication statusPublished - 3 Nov 2014

    Bibliographical note

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