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首页> 外文期刊>Neuropsychologia >Music-based memory enhancement in Alzheimer's Disease: Promise and limitations
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Music-based memory enhancement in Alzheimer's Disease: Promise and limitations

机译：基于音乐的阿尔茨海默氏病记忆增强：承诺和局限性

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In a previous study (Simmons-Stern, Budson & Ally, 2010), we found that patients with Alzheimer's disease (AD) better recognized visually presented lyrics when the lyrics were also sung rather than spoken at encoding. The present study sought to further investigate the effects of music on memory in patients with AD by making the content of the song lyrics relevant for the daily life of an older adult and by examining how musical encoding alters several different aspects of episodic memory. Patients with AD and healthy older adults studied visually presented novel song lyrics related to instrumental activities of daily living (IADL) that were accompanied by either a sung or a spoken recording. Overall, participants performed better on a memory test of general lyric content for lyrics that were studied sung as compared to spoken. However, on a memory test of specific lyric content, participants performed equally well for sung and spoken lyrics. We interpret these results in terms of a dual-process model of recognition memory such that the general content questions represent a familiarity-based representation that is preferentially sensitive to enhancement via music, while the specific content questions represent a recollection-based representation unaided by musical encoding. Additionally, in a test of basic recognition memory for the audio stimuli, patients with AD demonstrated equal discrimination for sung and spoken stimuli. We propose that the perceptual distinctiveness of musical stimuli enhanced metamemorial awareness in AD patients via a non-selective distinctiveness heuristic, thereby reducing false recognition while at the same time reducing true recognition and eliminating the mnemonic benefit of music. These results are discussed in the context of potential music-based memory enhancement interventions for the care of patients with AD.
机译：在先前的研究中（Simmons-Stern，Budson和Ally，2010年），我们发现患有阿尔茨海默氏病（AD）的患者在演唱歌词时也比在编码时说话时能更好地识别视觉呈现的歌词。本研究试图通过使歌曲歌词的内容与老年人的日常生活相关并且通过检查音乐编码如何改变情节性记忆的几个不同方面，来进一步研究音乐对AD患者记忆的影响。研究过的AD患者和健康的老年人在视觉上呈现了与日常生活的乐器活动（IADL）有关的新颖歌曲歌词，并伴随着演唱或语音录音。总体而言，参加者在演唱的歌词中，对一般歌词内容的记忆测试与口语相比表现更好。然而，在对特定歌词内容的记忆测试中，参与者在演唱和口语歌词方面表现同样出色。我们以识别记忆的双过程模型来解释这些结果，这样一般内容问题代表一种基于熟悉度的表现形式，该表现形式优先对通过音乐进行的增强敏感，而特定内容问题代表一种基于回忆的表现形式，不受音乐剧的影响编码。另外，在对音频刺激的基本识别记忆的测试中，AD患者表现出对唱歌和口语刺激的同等歧视。我们提出，音乐刺激的知觉独特性通过非选择性独特性启发式方法增强了AD患者的元记忆意识，从而减少了错误识别，同时减少了真实识别并消除了音乐的记忆优势。这些结果将在针对AD患者的潜在基于音乐的记忆增强干预措施中进行讨论。

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