a system of psychology concerned with interactions between an organism and its environment. The focus is on the interaction of stimulus functions (the use or role of a stimulus) and response functions (the purpose served by a response) and how context and experience shape those interactions. Also called interbehaviorism. [proposed by Jacob Robert Kantor]
n. an inflammation of the pancreas, marked by severe abdominal pain and caused by biliary tract disorders (e.g., gallstones), alcoholism, viral infection, or reactions to certain drugs (e.g., some antipsychotic agents).