The integrity of dopaminergic and noradrenergic brain regions is associated with different aspects of late-life memory performance
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The integrity of dopaminergic and noradrenergic brain regions is associated with different aspects of late-life memory performance. / Dahl, Martin J; Bachman, Shelby L; Dutt, Shubir; Düzel, Sandra; Bodammer, Nils C; Lindenberger, Ulman; Kühn, Simone; Werkle-Bergner, Markus; Mather, Mara.
In: NATURE AGING, Vol. 3, No. 9, 09.2023, p. 1128-1143.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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T1 - The integrity of dopaminergic and noradrenergic brain regions is associated with different aspects of late-life memory performance
AU - Dahl, Martin J
AU - Bachman, Shelby L
AU - Dutt, Shubir
AU - Düzel, Sandra
AU - Bodammer, Nils C
AU - Lindenberger, Ulman
AU - Kühn, Simone
AU - Werkle-Bergner, Markus
AU - Mather, Mara
N1 - © 2023. The Author(s).
PY - 2023/9
Y1 - 2023/9
N2 - Changes in dopaminergic neuromodulation play a key role in adult memory decline. Recent research has also implicated noradrenaline in shaping late-life memory. However, it is unclear whether these two neuromodulators have distinct roles in age-related cognitive changes. Here, combining longitudinal MRI of the dopaminergic substantia nigra-ventral tegmental area (SN-VTA) and noradrenergic locus coeruleus (LC) in younger (n = 69) and older (n = 251) adults, we found that dopaminergic and noradrenergic integrity are differentially associated with memory performance. While LC integrity was related to better episodic memory across several tasks, SN-VTA integrity was linked to working memory. Longitudinally, we found that older age was associated with more negative change in SN-VTA and LC integrity. Notably, changes in LC integrity reliably predicted future episodic memory. These differential associations of dopaminergic and noradrenergic nuclei with late-life cognitive decline have potential clinical utility, given their degeneration in several age-associated diseases.
AB - Changes in dopaminergic neuromodulation play a key role in adult memory decline. Recent research has also implicated noradrenaline in shaping late-life memory. However, it is unclear whether these two neuromodulators have distinct roles in age-related cognitive changes. Here, combining longitudinal MRI of the dopaminergic substantia nigra-ventral tegmental area (SN-VTA) and noradrenergic locus coeruleus (LC) in younger (n = 69) and older (n = 251) adults, we found that dopaminergic and noradrenergic integrity are differentially associated with memory performance. While LC integrity was related to better episodic memory across several tasks, SN-VTA integrity was linked to working memory. Longitudinally, we found that older age was associated with more negative change in SN-VTA and LC integrity. Notably, changes in LC integrity reliably predicted future episodic memory. These differential associations of dopaminergic and noradrenergic nuclei with late-life cognitive decline have potential clinical utility, given their degeneration in several age-associated diseases.
KW - Adult
KW - Humans
KW - Cognition
KW - Locus Coeruleus/diagnostic imaging
KW - Substantia Nigra
KW - Cognitive Dysfunction
KW - Dopamine
KW - Norepinephrine
U2 - 10.1038/s43587-023-00469-z
DO - 10.1038/s43587-023-00469-z
M3 - SCORING: Journal article
C2 - 37653256
VL - 3
SP - 1128
EP - 1143
JO - NATURE AGING
JF - NATURE AGING
SN - 2662-8465
IS - 9
ER -