Parahippocampal Cortex Mediates the Relationship between Lutein and Crystallized Intelligence in Healthy, Older Adults User EnLilaSko, in the Nootropics subreddit, 22 Aug 2017
Parahippocampal Cortex Mediates the Relationship between Lutein and Crystallized Intelligence in Healthy, Older Adults User AxiomaticAxon, in the Nootropics subreddit, 21 Dec 2016
A study of older adults links consumption of a pigment found in leafy greens to the preservation of "crystallized intelligence," the ability to use the skills and knowledge one has acquired over a lifetime. User Wagamaga, in the Reddit Science subreddit, 18 Dec 2016