提高流畅性线索的显著性可减少失忆症中的识别记忆损伤。
Increasing the salience of fluency cues reduces the recognition memory impairment in amnesia.
作者信息
Keane Margaret M, Orlando Frances, Verfaellie Mieke
机构信息
Department of Psychology, Wellesley College, 106 Central Street, Wellesley, MA 02481, USA.
出版信息
Neuropsychologia. 2006;44(5):834-9. doi: 10.1016/j.neuropsychologia.2005.08.003. Epub 2005 Sep 12.
Abstract
The present study examined whether the recognition memory deficit in amnesia would be attenuated under conditions that increased the salience of study-induced fluency. Studied and unstudied items were drawn either from separate pools of letters (no-overlap condition) or from the same pool of letters (overlap condition). Study-induced fluency was more salient in the no-overlap than in the overlap condition, because in the no-overlap condition, such fluency occurred at the letter level as well as at the word level. The recognition memory impairment in amnesia was smaller in the no-overlap than in the overlap condition. These findings are consistent with the idea that enhancing the salience of fluency cues promotes reliance on a fluency heuristic that ordinarily is not fully engaged in amnesia, and reduces the recognition memory impairment in amnesia.
摘要
本研究考察了在增加学习诱导流畅性显著性的条件下，失忆症患者的识别记忆缺陷是否会得到缓解。学习过的和未学习过的项目要么来自不同的字母库（无重叠条件），要么来自相同的字母库（重叠条件）。学习诱导流畅性在无重叠条件下比在重叠条件下更显著，因为在无重叠条件下，这种流畅性在字母层面和单词层面都会出现。失忆症患者的识别记忆损伤在无重叠条件下比在重叠条件下更小。这些发现与以下观点一致，即增强流畅性线索的显著性会促进对流畅性启发式策略的依赖，而这种策略在失忆症中通常没有得到充分运用，并减少失忆症患者的识别记忆损伤。
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