期刊
PSYCHONOMIC BULLETIN & REVIEW
卷 30, 期 4, 页码 1484-1501出版社
SPRINGER
DOI: 10.3758/s13423-023-02256-8
关键词
Associative memory; Forgetting; Memory specificity; Fuzzy-trace theory; Repetition
In two experiments, the researchers found that the association between components of an episode can be forgotten over time, both at the specific and gist levels of representation.
Associative binding between components of an episode is vulnerable to forgetting across time. We investigated whether these forgetting effects on inter-item associative memory occur only at specific or also at gist levels of representation. In two experiments, young adult participants (n = 90, and 86, respectively) encoded face-scene pairs and were then tested either immediately after encoding or following a 24-hour delay. Tests featured conjoint recognition judgments, in which participants were tasked with discriminating intact pairs from highly similar foils, less similar foils, and completely dissimilar foils. In both experiments, the 24-hour delay resulted in deficits in specific memory for face-scene pairs, as measured using multinomial-processing-tree analyses. In Experiment 1, gist memory was not affected by the 24-hour delay, but when associative memory was strengthened through pair repetition (Experiment 2), deficits in gist memory following a 24-hour delay were observed. Results suggest that specific representations of associations in episodic memory, and under some conditions gist representations, as well, are susceptible to forgetting across time.
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