Effects of reducing attentional resources on implicit and explicit memory after severe traumatic brain injury

Sharon Watt*, Arthur E. Shores, Sachiko Kinoshita

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    20 Citations (Scopus)

    Abstract

    Implicit and explicit memory were examined in individuals with severe traumatic brain injury (TBI) under conditions of full and divided attention. Participants included 12 individuals with severe TBI and 12 matched controls. In Experiment 1, participants carried out an implicit test of word-stem completion and an explicit test of cued recall. Results demonstrated that TBI participants exhibited impaired explicit memory but preserved implicit memory. In Experiment 2, a significant reduction in the explicit memory performance of both TBI and control participants, as well as a significant decrease in the implicit memory performance of TBI participants, was achieved by reducing attentional resources at encoding. These results indicated that performance on an implicit task of word-stem completion may require the availability of additional attentional resources that are not preserved after severe TBI.

    Original languageEnglish
    Pages (from-to)338-349
    Number of pages12
    JournalNeuropsychology
    Volume13
    Issue number3
    DOIs
    Publication statusPublished - Jul 1999

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