Dietary Carotenoids Lutein and Zeaxanthin Change Brain Activation in Older Adult Participants: A Randomized, Double-Masked, Placebo-Controlled Trial.
S Anna CeravoloBilly R HammondWilliam OliverBrett ClementzL Stephen MillerLisa M Renzi-HammondPublished in: Molecular nutrition & food research (2019)
Past research suggests that L+Z can improve visual memory, visual processing speeds, etc. One possible mechanism for that improvement may be improving signal-to-noise ratio throughout the vision system.