March 8, 2016
Uploaded pre-registration document titled 'MELA_817774_SilentSubstitutionPIPRPupillometry_PreRegistration.docx'
Beginning data collection today
Using a classical PIPR paradigm with added-in silent substitution stimuli
Goal: To measure pupil responses to high contrast melanopsin-directed, cone-directed and monochromatic light stimuli in a population of subjects and characterize the relationship between these two pupillometric measures