Find over 25,000 psychological definitions


light adaptation

the process by which the eye adjusts to conditions of high illumination, as occurs when a person exits a dark theater into a sunny parking lot. It takes less than 10 minutes and involves constriction of the pupil and a shift in the sensitivity of the retina so that the retinal cones become active in place of the retinal rods. Compare dark adaptation.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

November 18th 2024

Job Descriptive Index (JDI)

Sorry, "job-descriptive-index-jdi" is not in the Dictionary of Psychology. Please report to APA if you believe this is an error.