Article
The influence of hippocampal dopamine D2 receptor losses on episodic-memory decline across 5 years is moderated by BDNF and KIBRA polymorphisms.
Cortex; a journal devoted to the study of the nervous system and behavior - 1 Jul 2024
Papenberg Goran, Karalija Nina, Johansson Jarkko, Andersson Micael, Axelsson Jan, Riklund Katrine, Lindenberger Ulman, Nyberg Lars, Bäckman Lars
Abstract excerpt
Losses in dopamine (DA) functioning may contribute to aging-related decline in cognition. Hippocampal DA is necessary for successful episodic memory formation. Previously, we reported that higher DA D2 receptor (D2DR) availability in hippocampus is beneficial for episodic memory only in older carriers of more advantageous genotypes of well-established plasticity-related genetic variations, the brain-derived...
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