https://www.nimh.nih.gov/news/science-news/2018/the-pathways-through-which-light-affects-learning-and-mood.shtml?utm_source=rss_readers&utm_medium=rss&utm_campaign=rss_summary
In a new study, researchers have traced the brain pathways responsible for the effects of light on learning and mood. The findings revealed that these effects are brought about by two different and distinct pathways from the retina into the brain.