title: Time without clocks.
authors.affiliation: Department of Psychology, Emory University, Atlanta, Georgia 30322. psymdz@emory.edu
authors.forename: M D
authors.initials: MD
authors.lastname: Zeiler
mesh_terms: D000818:Animals; D008568:Memory / Q000502:physiology*; D008960:Models, Psychological; D010507:Periodicity; D012055:Reinforcement Schedule; D013998:Time Perception / Q000502:physiology*