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		<title>Amyloid biomarkers track sleep spindle changes in cognitively healthy older adults</title>
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		<pubDate>Sat, 24 Oct 2026 23:10:34 +0000</pubDate>
				<category><![CDATA[Health]]></category>
		<category><![CDATA[Alzheimer's]]></category>
		<category><![CDATA[Alzheimer's disease]]></category>
		<category><![CDATA[amyloid-beta]]></category>
		<category><![CDATA[Associations]]></category>
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		<category><![CDATA[biomarkers]]></category>
		<category><![CDATA[disease]]></category>
		<category><![CDATA[EEG]]></category>
		<category><![CDATA[polysomnography]]></category>
		<category><![CDATA[sleep]]></category>
		<category><![CDATA[sleep spindles]]></category>
		<category><![CDATA[tau]]></category>
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					<description><![CDATA[In cognitively unimpaired adults aged 55 to 75, plasma amyloid-beta levels were consistently associated with shorter and less dense frontal sleep spindles and lower frontal EEG power, while tau markers were mainly linked to reduced slow wave sleep and nocturnal wakefulness.]]></description>
		
		
		
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