behaviour conditioned by external factors
11Balkans — [bôl′kənz] countries of the Balkan Peninsula (Serbia and Montenegro, Bosnia and Herzegovina, Slovenia, Croatia, Macedonia, Bulgaria, Albania, Greece, & the European part of Turkey) & Romania: also …
12geography — /jee og reuh fee/, n., pl. geographies. 1. the science dealing with the areal differentiation of the earth s surface, as shown in the character, arrangement, and interrelations over the world of such elements as climate, elevation, soil,… …
13Heroin — Not to be confused with heroine. For other uses, see Heroin (disambiguation). Heroin …
14mental disorder — Any illness with a psychological origin, manifested either in symptoms of emotional distress or in abnormal behaviour. Most mental disorders can be broadly classified as either psychoses or neuroses (see neurosis; psychosis). Psychoses (e.g.,… …
15motivation — motivational, adj. motivative, adj. /moh teuh vay sheuhn/, n. 1. the act or an instance of motivating. 2. the state or condition of being motivated. 3. something that motivates; inducement; incentive. [1870 75; MOTIVE + ATION] * * * Factors… …
16Christianity — /kris chee an i tee/, n., pl. Christianities. 1. the Christian religion, including the Catholic, Protestant, and Eastern Orthodox churches. 2. Christian beliefs or practices; Christian quality or character: Christianity mixed with pagan elements; …
17culture — /kul cheuhr/, n., v., cultured, culturing. n. 1. the quality in a person or society that arises from a concern for what is regarded as excellent in arts, letters, manners, scholarly pursuits, etc. 2. that which is excellent in the arts, manners,… …
18nervous 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… …
19Science of morality — The Good Samaritan by François Léon Sicard. The sculpture is based on a story, and one that would be promoted by science of morality. Nature, habits, culture and norms are all pivotal in this empirical pursuit of harmony among living beings.… …
20learning theory — ▪ psychology Introduction any of the proposals put forth to explain changes in behaviour produced by practice, as opposed to other factors, e.g., physiological development. A common goal in defining any psychological (psychology)… …
