Eating chocolate at least once a week was correlated with superior visual - spatial memory and organization, scanning and tracking,
verbal episodic memory, and working memory.
In addition, cognitive function was assessed through a variety of tests that included working memory,
verbal episodic memory and visual - spatial memory as well as scanning and tracking.
Researchers found that «the glycine compound significantly improved both visual and
verbal episodic memory retrieval in both [older and younger] groups».