| obsessive behaviour | Persistent, unwanted idea or impulse which is considered normal when it does not markedly interfere with mental processes or emotional adjustment. (12 Dec 1998) |
|---|---|
| operant behaviour | The behaviour whose continuation and frequency is determined by its consequences on the doer; central element of behavioural conditioning theory. See: conditioning. (05 Mar 2000) |
| target behaviour | Operant in behaviour modification therapy, the prescribed behaviour. (05 Mar 2000) |
| eliminative behaviour, animal | Behaviour associated with the elimination of feces and urine from the body. (12 Dec 1998) |
| type A behaviour | A behaviour pattern characterised by aggressiveness, ambitiousness, restlessness, and a strong sense of time urgency; associated with increased risk for coronary heart disease. (05 Mar 2000) |
| type B behaviour | A behaviour pattern characterised by the absence or obverse of type A behaviour characteristics. (05 Mar 2000) |
| exploratory behaviour | The tendency to explore or investigate a novel environment. It is considered a motivation not clearly distinguishable from curiosity. (12 Dec 1998) |
| feeding behaviour | Behavioural responses or sequences associated with eating including modes of feeding, rhythmic patterns of eating, and time intervals. (12 Dec 1998) |
| firesetting behaviour | A compulsion to set fires. (12 Dec 1998) |
| abstracting and indexing | Shortening or summarizing of documents; assigning of descriptors for referencing documents. (12 Dec 1998) |
| academies and institutes | Organizations representing specialised fields which are accepted as authoritative; may be non-governmental, university or an independent research organization, e.g., national academy of sciences, brookings institution, etc. (12 Dec 1998) |
| accounts payable and receivable | Short-term debt obligations and assets occurring in the regular course of operational transactions. (12 Dec 1998) |
| aged, 80 and over | A person 80 years of age and older. (12 Dec 1998) |
| algae and fungi | Algae represent a group of spore-propagating plants, unicellular or undifferentiated into root, stem, and leaf. They include seaweed and many unicellular fresh water plants, most of which contain chlorophyll. They account for about 90% of the earth's photosynthetic activity. Fungi are eukaryotic, heterotrophic organisms that live as saprobes or parasites and include mushrooms, yeasts, smuts, molds, etc. They lack chlorophyll. (12 Dec 1998) |
| alkyl and aryl transferases | <enzyme> A somewhat heterogeneous class of enzymes that catalyze the transfer of alkyl or related groups (excluding methyl groups). Registry number: EC 2.5 (12 Dec 1998) |