Amphetamine modulates brain signal variability and working memory in younger and older adults

Better-performing younger adults typically express greater brain signal variability relative to older, poorer performers. Mechanisms for age and performance-graded differences in brain dynamics have, however, not yet been uncovered. Given the age-related decline of the dopamine (DA) system in normal...

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Pubblicato in:Proc Natl Acad Sci U S A
Autori principali: Garrett, Douglas D., Nagel, Irene E., Preuschhof, Claudia, Burzynska, Agnieszka Z., Marchner, Janina, Wiegert, Steffen, Jungehülsing, Gerhard J., Nyberg, Lars, Villringer, Arno, Li, Shu-Chen, Heekeren, Hauke R., Bäckman, Lars, Lindenberger, Ulman
Natura: Artigo
Lingua:Inglês
Pubblicazione: National Academy of Sciences 2015
Soggetti:
Biological Sciences
Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC4475975/
https://ncbi.nlm.nih.gov/pubmed/26034283
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1504090112
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