the stimulus of hunger
11Classical conditioning — This dog was fitted with a cannula to measure the amount of salivation when presented with a certain stimulus, Pavlov Museum, 2005 Classical conditioning (also Pavlovian or respondent conditioning, Pavlovian reinforcement) is a form of… …
12Motivation — For other uses, see Motivation (disambiguation). Timeline of theorists about student motivation Motivation is the driving force by which humans achieve their goals. Motivation is said to be intrinsic or extrinsic …
13nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …
14Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …
15sensory reception, human — Introduction means by which humans react to changes in external and internal environments. Ancient philosophers called the human senses “the windows of the soul,” and Aristotle described at least five senses sight, hearing, smell, taste, and… …
16animal behaviour — Introduction any activity of an intact organism. A living animal behaves constantly in order to survive, and all animals must solve the same basic problems. They must, for instance, periodically replace their energy source (consume… …
17Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
18animal learning — ▪ zoology Introduction the alternation of behaviour as a result of individual experience. When an organism can perceive and change its behaviour, it is said to learn. That animals can learn seems to go without saying. The cat that… …
19Supplemental Nutrition Assistance Program — SNAP logo The United States Supplemental Nutrition Assistance Program (SNAP),[1] historically and commonly known as the Food Stamp Program, is a federal assistance program that provides assistance to low and no income people …
20Ethology — Not to be confused with ethnology. Animal Behavior redirects here. For the journal, see Animal Behaviour (journal). For the Praxis single, see Transmutation (Mutatis Mutandis). Part of a series on …
