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An attention test to see how many numbers a person is able to remember. There is a forward and backward assessment. Forward measures immediate...

1. A dysphoria that can cary from mild to severe mood changes. 2. Psychiatry. A dpressive disorder.

Twins that have developed from two separate and eggs fertilised by separate sperm. Also called fraternal twins.See twin studies.

A potent corticoid hormone that is the precursor corticosterone.

An experimental technique for determining whether an animal or young child can remember the solution to a problem after a lapse of time. The...

Trade name for methamphetamine.

The object that acts or stimulates a sense organ. Also called distal variable. Compare proximal stimulus.

Any behaviour that deviates from the group. Also called deviance.

The solution theoretically about the mind and body problem claiming ther are 2 aspects of reality.

1. Sensory discrimination. 2. process of conditioning where desired behaviour is achieved by selective reinforcemnet. 3. Embyology where cells change to become a specialised...