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Article

Effects of l-Tyrosine on working memory and inhibitory control are determined by DRD2 genotypes: A randomized controlled trial.

Cortex; a journal devoted to the study of the nervous system and behavior - 1 Sept 2016

Colzato Lorenza S, Steenbergen Laura, Sellaro Roberta, Stock Ann-Kathrin, Arning Larissa, Beste Christian

Abstract excerpt

l-Tyrosine (TYR), the precursor of dopamine (DA), has been shown to enhance facets of cognitive control in situations with high cognitive demands. However some previous outcomes were mixed: some studies reported significant improvements, while other did not. Given that TYR increases DA level in the brain, we investigated, in a double-blind, randomized, placebo-controlled design, whether the C957T genotypes of a...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Source

Identifiers

PMID: 27403851
DOI: 10.1016/j.cortex.2016.06.010

Genes

TYR
DRD2

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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