β-amyloid disrupts human NREM slow waves and related hippocampus-dependent memory consolidation
Nature Neuroscience, ISSN: 1546-1726, Vol: 18, Issue: 7, Page: 1051-1057
2015
- 415Citations
- 738Captures
- 43Mentions
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations415
- Citation Indexes414
- 414
- CrossRef344
- Policy Citations1
- Policy Citation1
- Captures738
- Readers738
- 737
- Mentions43
- News Mentions38
- News38
- Blog Mentions4
- Blog4
- References1
- Wikipedia1
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Article Description
Independent evidence associates β-amyloid pathology with both non-rapid eye movement (NREM) sleep disruption and memory impairment in older adults. However, whether the influence of β-amyloid pathology on hippocampus-dependent memory is, in part, driven by impairments of NREM slow wave activity (SWA) and associated overnight memory consolidation is unknown. Here we show that β-amyloid burden in medial prefrontal cortex (mPFC) correlates significantly with the severity of impairment in NREM SWA generation. Moreover, reduced NREM SWA generation was further associated with impaired overnight memory consolidation and impoverished hippocampal-neocortical memory transformation. Furthermore, structural equation models revealed that the association between mPFC β-amyloid pathology and impaired hippocampus-dependent memory consolidation was not direct, but instead statistically depended on the intermediary factor of diminished NREM SWA. By linking β-amyloid pathology with impaired NREM SWA, these data implicate sleep disruption as a mechanistic pathway through which β-amyloid pathology may contribute to hippocampus-dependent cognitive decline in the elderly.
Bibliographic Details
Springer Science and Business Media LLC
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