Associations between locus coeruleus MRI contrast and physiological responses to acute stress in younger and older adults

[Display omitted] •Locus coeruleus (LC) MRI contrast was assessed as an in vivo measure of LC structure.•Arousal was measured during rest, acute stress reactivity and acute stress recovery.•Older adults with higher caudal LC MRI contrast had larger-magnitude stress responses. Acute stress activates...

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Veröffentlicht in:	Brain research 2022-12, Vol.1796, p.148070-148070, Article 148070
Hauptverfasser:	Bachman, Shelby L., Nashiro, Kaoru, Yoo, Hyunjoo, Wang, Diana, Thayer, Julian F., Mather, Mara
Format:	Artikel
Sprache:	eng
Schlagworte:	Acute stress Aged Aging Arousal - physiology Cognitive challenge Contrast Media Heart rate variability Humans Locus coeruleus Locus Coeruleus - physiology Magnetic Resonance Imaging - methods Norepinephrine Physiological arousal
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