Zur Hauptnavigation wechseln Zur Suche wechseln Zum Hauptinhalt wechseln

Individual differences in brain aging: heterogeneity in cortico-hippocampal but not caudate atrophy rates

Lars Nyberg*, Micael Andersson, Anders Lundquist, William F.C. Baaré, David Bartrés-Faz, Lars Bertram, Carl Johan Boraxbekk, Andreas M. Brandmaier, Naiara Demnitz, Christian A. Drevon, Sandra Duezel, Klaus P. Ebmeier, Paolo Ghisletta, Richard Henson, Daria E.A. Jensen, Rogier A. Kievit, Ethan Knights, Simone Kühn, Ulman Lindenberger, Anna PlachtiSara Pudas, James M. Roe, Kathrine Skak Madsen, Cristina Solé-Padullés, Yasmine Sommerer, Sana Suri, Eniko Zsoldos, Anders M. Fjell, Kristine B. Walhovd

*Korrespondierende/r Autor/-in für diese Arbeit

Abstract

It is well documented that some brain regions, such as association cortices, caudate, and hippocampus, are particularly prone to age-related atrophy, but it has been hypothesized that there are individual differences in atrophy profiles. Here, we document heterogeneity in regional-atrophy patterns using latent-profile analysis of 1,482 longitudinal magnetic resonance imaging observations. The results supported a 2-group solution reflecting differences in atrophy rates in cortical regions and hippocampus along with comparable caudate atrophy. The higher-atrophy group had the most marked atrophy in hippocampus and also lower episodic memory, and their normal caudate atrophy rate was accompanied by larger baseline volumes. Our findings support and refine models of heterogeneity in brain aging and suggest distinct mechanisms of atrophy in striatal versus hippocampal-cortical systems.

OriginalspracheEnglisch
ZeitschriftCerebral Cortex
Jahrgang33
Ausgabenummer9
Seiten (von - bis)5075-5081
Seitenumfang7
ISSN1047-3211
DOIs
PublikationsstatusVeröffentlicht - 01.05.2023

Fördermittel

The Lifebrain project is funded by the EU Horizon 2020 (grant agreement number 732592). L.N. is supported by a scholar grant from the Knut and Alice Wallenberg foundation.

UN SDGs

Dieser Output leistet einen Beitrag zu folgendem(n) Ziel(en) für nachhaltige Entwicklung

  1. SDG 3 – Gesundheit und Wohlergehen
    SDG 3 – Gesundheit und Wohlergehen

Fingerprint

Untersuchen Sie die Forschungsthemen von „Individual differences in brain aging: heterogeneity in cortico-hippocampal but not caudate atrophy rates“. Zusammen bilden sie einen einzigartigen Fingerprint.

Zitieren