AQUILI Luca    所属   立命館アジア太平洋大学  国際経営学部    職種   准教授
言語種別	英語
発行・発表の年月	2020
形態種別	学術論文
査読	査読あり
標題	The Role of Tryptophan and Tyrosine in Executive Function and Reward Processing
執筆形態	単著
掲載誌名	INTERNATIONAL JOURNAL OF TRYPTOPHAN RESEARCH
掲載区分	国外
巻・号・頁	13
著者・共著者	Aquili Luca
概要	This review compares the contributions of the amino-acid precursors tryptophan and tyrosine to executive function and reward processing. Tryptophan influences serotonin synthesis, whereas tyrosine supports catecholamine production; both can therefore alter mood, learning, cognitive control, and responses to reward or punishment. The article integrates supplementation and depletion studies and emphasizes that executive processes and reward valuation causally influence one another. Effects vary with baseline neurochemical state, task demands, and individual differences, so precursor administration is unlikely to produce a universal cognitive benefit. These interactions guide more precise future experiments.
DOI	10.1177/1178646920964825
ISSN	1178-6469