E

n23

ESSENTIAL PROPERTY

A feature of an idea or entity that is essential to its nature and existence.

ESTRANGEMENT

1. State of increased distance from oneself of others. 2. Decrease in contact where close contact once occured.

ETHICS

1. Branch of philosophy investigating the nature and content of moral judgements. Also called moral philosophy. 2. Principles of mporaaly

ETHNOPSYCHOPHARMACOLOGY

Where issues related to ethnic and cultural variations in using and response to psychoative agents is considered.

EUPHEMISM

Substituting a inoffensive word for a offensive or unpleasantly direct word.

EVALUATION APPREHENSION

The uneasiness about being judges by others especially being judged by the experimenter.

EVENT-RELATED POTENTIAL (ERP)

The electrical brain potential elicited by an event or stimulus.

EVOLUTIONARY PSYCHOLOGY

Approach to psychology where human cognition and behaviour have adapted from physical and social environments.

EXCITATION-TRANSFER THEORY

Aggressive rsponses are intensified by arousal from other stimuli not directly related to the original stimulus that started the aggression.

EXECUTIVE CONTROL STRUCTURES

The mental structures used in problem solving that represent the problem situation, task objectives and strategies for solving the problem.

EXHAUSTION DELIRIUM

The delirious state occuring from extreme fatigue and prolonged stress. See delirium.

EXISTENTIAL-HUMANISTIC THERAPY

Psychotherapy dealing the whole person and not just behaviour and underlying motivations. Also called humanistic existential therapy.

EXPANDED CONSCIOUSNESS

A sensory effect possible from meditation or mind altering drugs where a person feels like his mind has been opened

EXPERIENCE-DEPENDENT PROCESS

The process where a synapse is formed and maintained as a result of an experience. Also called experience dependent synaptogenesis.

EXPERIMENTAL METHOD

The system of scientific investigation used to test a hypothesis.

EXPERIMENTER EXPECTANCY EFFECT

Where the experimenter expects certain results and causes errors in research.

EXPLICIT ATTITUDE

An attitude that is a person is aware of. Compare implicit attitude.

EXPOSURE THERAPY

Used to treat anxiety disorders by confronting the stimulus causing anxiety.

EXTENSOR MUSCLE

The muscle that when it contracts extends part of the body. Compare flexor model.

EXTERNALIZATION

1. defense mechanism where our thoughts and feelings are attributed to the external world. 2. Process of learning to distinguish