This research study will be investigating how adults detect lies. The study will involve one 3-hour visit to the Cognition, Brain, and Autism Research Laboratory where subjects will complete cognitive tests and watch and rate videotaped interviews. Subjects will be compensated $40 for their time. Participants must be native English speakers and between the ages of 18 and 30 years old. If interested, call the Cognition, Brain, and Autism Research Laboratory at (205) 934-0971 or email This email address is being protected from spambots. You need JavaScript enabled to view it.