# Pupils I think I've noticed that my pupils relax from large when I breath and relax. They don't get small and when they are small I think they might relax to a mid range. I'm not sure. #Self/IWantToUnderstand ## More dilated (Larger) means ## Constricted (Smaller) means - ## Further reading There has been quite a bit of research on pupils - https://www.nature.com/articles/s41598-018-23265-x - https://kids.frontiersin.org/articles/10.3389/frym.2019.00003 - the more demanding the cognitive load the more dialated the pupils - https://www.scientificamerican.com/article/eye-opener-why-do-pupils-dialate/ - ## Related - [[my eyes]] - #Physiology - [[mirrors]] - [[tunnel vision]] - [[peripheral vision bounce]] - [[vision]] - [[biofeedback]] - [[photo-sensitivity]]