期刊
EMOTION
卷 20, 期 5, 页码 750-760出版社
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/emo0000590.supp
关键词
emotional memory; false memory; false recollection; perceptual recombination; conceptual fluency
资金
- NIH [T32 DA007209]
We investigated the impact of 2 hypothetical mechanisms of episodic memory reconstruction-perceptual recombination and conceptual fluency-on objectively measured recollection accuracy and false recollections of neutral and emotional stimuli. Participants encoded negative, neutral, and positive pictures depicting objects and scenes (i.e., target pictures), each accompanied with a descriptive verbal label (e.g., boy crying at funeral, wooden basket on floor, four chimpanzees laughing together). Next, they encoded fragmented pictures of some of the scenes they did and did not earlier see (perceptual misinformation), or they received multiple presentations of the corresponding verbal labels (conceptual misinformation). Recollection of target pictures was then tested, using labels as retrieval cues. We had three key findings in each of two experiments. First, as in our prior work, both perceptual and conceptual misinformation significantly increased false recollection judgments of nonstudied pictures, including high-confidence errors. These effects implicate perceptual recombination and conceptual fluency mechanisms. Second, these misinformation effects generalized across all emotional categories, implicating separable roles of these two mechanisms on emotional recollections. Finally, conceptual misinformation was less likely to influence negative than neutral recollection errors, providing new evidence that emotion can improve retrieval monitoring accuracy and reduce false memories based on conceptual fluency (i.e., an emotional distinctiveness heuristic).
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