Department of Psychology, Emory University, Atlanta, Georgia 30322, USA.
Department of Psychiatry, University of California at San Diego, San Diego, California 92093, USA.
Learn Mem. 2022 Sep 30;29(10):367-378. doi: 10.1101/lm.053571.122. Print 2022 Oct.
Novel tests of semantic memory (SM)-for example, memory for news events (NE; news facts) or famous personalities-are useful for estimating the severity of retrograde amnesia. Individuals with mild cognitive impairment exhibit relatively intact SM/language on traditional neuropsychological tests but exhibit consistent impairment on novel tests of SM, suggesting novel SM tests are dissimilar from traditional SM tests. To identify the relationship between NE memory and traditional cognitive measures, older adults ( = 51) completed a traditional neuropsychological battery and the Retrograde Memory News Events Test (RM-NET; a new test that robustly measures NE memory across the adult life span with high temporal resolution), and the relationship between performance on these tests was examined. Total RM-NET scores were more closely aligned with episodic memory scores than SM scores. The strength of the association between NE scores and episodic memory scores decreased as the age of NE memory increased. Tests of news events appear to reflect performance on traditional tests of episodic memory rather than SM, especially when recent news events are tested.
新颖的语义记忆测试（例如，对新闻事件（NE；新闻事实）或名人的记忆）可用于估计逆行性遗忘的严重程度。轻度认知障碍个体在传统神经心理学测试中表现出相对完整的 SM/语言，但在新颖的 SM 测试中表现出一致的损伤，这表明新颖的 SM 测试与传统 SM 测试不同。为了确定 NE 记忆与传统认知测量之间的关系，老年人（n=51）完成了传统的神经心理学测试和逆行记忆新闻事件测试（RM-NET；一种新的测试，可在整个成年期以高时间分辨率对 NE 记忆进行稳健测量），并检查了这些测试之间的性能关系。RM-NET 的总分与情节记忆分数比语义记忆分数更相关。NE 分数与情节记忆分数之间的关联强度随着 NE 记忆年龄的增加而降低。新闻事件的测试似乎反映了传统情节记忆测试的表现，而不是语义记忆测试，尤其是在测试最近的新闻事件时。
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