Glossary A

Activation-synthesis theory refers to the theory that dreaming results from the cortical synthesis and interpretation of neural signals triggered by activity in the lower part of the brain.

Activational effect refers to the effect of a hormone on a physiological system that has already developed.

Active aggression when a person harms others by performing a behavior, example is the spreading vicious rumors

Active engagement when a person continue to be sociable and involved in doing things as he or she gets older.

Active euthanasia involves the deliberate ending of a person’s life through an intervention or action, which may be based on a clear statement of the person’s wishes or a decision made by someone else who has the legal authority to do so, example are the parents or spouse of the dying or suffering person. It is the deliberate ending of someone’s life; activities such as mercy killing or physician-assisted suicide which are designed to end a person's life, often to end a person's suffering.
Active genotype/environment correlations refer to the notion that our genotypes Affect the types of environments that we pr

Active imagination refers to a technique of analysis in which individuals actively focus on experiences or images (in dreams or fantasy), reporting changes in these images or experiences as they concentrate on them.

Active insufficiency is the point reached when a muscle becomes shortened to the point that it cannot generate or maintain active tension.