The Positivity Effect on the Intensity of Experienced Emotion and Memory Performance in Mild Cognitive Impairment and Dementia.
The Positivity Effect on the Intensity of Experienced Emotion and Memory Performance in Mild Cognitive Impairment and Dementia.
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DOI：
10.1159/000381537
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发表时间：
2015-05
影响因子：
2.3
通讯作者：
Schröder J
中科院分区：
文献类型：
--
作者：
Gorenc-Mahmutaj L;Degen C;Wetzel P;Urbanowitsch N;Funke J;Schröder J
我们研究了轻度认知障碍（MCI）和痴呆患者对记忆表现的“积极效应”。109名受试者（28名对照，32名轻度认知障碍患者，27名轻度认知障碍患者，32名中度认知障碍患者），我们研究了对12幅图片的自由回忆（即时和延迟）和识别。此外，还对被试所感知到的图片的情绪效价和所唤起的情绪进行了评估。轻度和中度痴呆患者比轻度认知障碍患者或健康对照者回忆起更少的图片。在整个小组中，积极的图片比消极的或中性的图片更容易被记住，并引起更高的唤醒。我们的研究结果表明，不仅在健康的老年患者中，而且在轻度认知障碍或轻度和中度痴呆患者中，记忆表现和体验强度都有积极的影响。这种效应并不是指被调查患者的依从性，因为他们以预期的方式感知和体验图片。
We examined the ‘positivity effect’ on memory performance in mild cognitive impairment (MCI) and dementia patients. In 109 subjects (28 controls, 32 with MCI, 27 with mild and 32 with moderate dementia), we investigated free recalls (immediate and delayed) and recognition of 12 pictures. Moreover, the emotional valence of the pictures perceived and the emotions evoked in the subjects were evaluated. Patients with mild and moderate dementia recalled fewer pictures than those with MCI or the healthy controls. Across the groups, the positive pictures were better memorized and induced a higher arousal than the negative or neutral ones. Our findings indicate a positivity effect on memory performance and intensity of experience not only in healthy elderly patients but also in those with MCI or mild and moderate dementia. This effect does not refer to the compliance of the patients investigated since they perceived and experienced the pictures in the expected way.
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DOI：
10.1176/appi.neuropsych.15.2.221
发表时间：
2003-03-01
影响因子：
2.9
作者：
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通讯作者：
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影响因子：
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作者：
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