D

n23

DISORGANIZATION

The disruption or loss of an orderly and systematic structure.

DISPLAY RULES

Human behaviour. Social standards used for expressing emotion.

DISSOCIATIVE HYSTERIA

Former name for dissociative disorder.

DISTINCTNESS

1. The quality of an object. 2. In a task that needs attention it is the extent to which one

DISTRIBUTIONAL REDUNDANCY

Psychological aesthetics. The development of uncertainty in an artistic pattern by making some elements occur more often than others.

DIVERGENT EVOLUTION

The way populations become inceasingly different to each other in different habitats.

DOCTOR

An individual with an MD, PhD or PsyD that is trained to treat medical disorders.

DOMAIN-SPECIFIC KNOWLEDGE

The specialised knowledge of a specific topic.

DOMINANT WAVELENGTH

The single wavelength when moxed with white matches a given hue.

DOPAMINE-RECEPTOR ANTAGONISTS

A substance that will reduce the effects of dopamine. Used to modulate symptoms of mental illnesses. Compare dopamine receptor agonists.

DOSE-RESPONSE RELATIONSHIP

The relationship between the drug and its efficacy to target the organ or symptom.

DOUBLE-ASPECT THEORY

The position that the mind and body are 2 attributes of a single substance.

DOXYLAMINE

An antihistamine with sedative properties that is found in some over the counter sleep aids.

DREAM STATE (D-STATE)

The state of sleep where we dream, and it can be characterized by rapid movement of a human eye during

DRIVE STRENGTH

The intensity of a drive as defined by Hull's mathematical deductive theory of learning.

DRUG SYNERGISM

The enhancement of efficacy when 2 or more drugs are given at the same time.

DUAL TRACE HYPOTHESIS

Short term reflects changes in long term memory. See Hebbian synapse.

DURABLE POWER OF ATTORNEY

A legal document stating that a person can make health care, financial decisions for another person who is incapable of

DYING PROCESS

The progressive and not reversible loss of vital function resulting in life ending. See stages of dying.

DYNAMIC TESTING

Uses a psychometric approach to measure the processes and products of learning and the potential to learn.