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	<title>noradrenergic system &#8211; BIOENGINEER.ORG</title>
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		<title>Silent Speech Runs the Brain&#8217;s Arousal System on Low Power, Pupil Study Reveals</title>
		<link>https://bioengineer.org/silent-speech-runs-the-brains-arousal-system-on-low-power-pupil-study-reveals/</link>
		
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		<pubDate>Mon, 12 Oct 2026 09:47:13 +0000</pubDate>
				<category><![CDATA[Technology]]></category>
		<category><![CDATA[arousal]]></category>
		<category><![CDATA[brain state]]></category>
		<category><![CDATA[Cognitive Load]]></category>
		<category><![CDATA[counting task]]></category>
		<category><![CDATA[inner speech]]></category>
		<category><![CDATA[locus coeruleus]]></category>
		<category><![CDATA[Neuromodulation]]></category>
		<category><![CDATA[noradrenergic system]]></category>
		<category><![CDATA[overt speech]]></category>
		<category><![CDATA[pupillometry]]></category>
		<category><![CDATA[self-talk]]></category>
		<category><![CDATA[working memory]]></category>
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					<description><![CDATA[New pupillometry experiments show that silent inner speech produces lower and sometimes opposite pupil-linked brain arousal compared with speaking aloud, revealing that covert and overt speech run shared language networks in distinct neuromodulatory states.]]></description>
		
		
		
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