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Related to pleasure principle: reality principle
1. a chemical component.
2. a substance on which certain of the properties of a drug depend.
3. an accepted or professed rule of action or conduct; in a given philosophical system it is a fundamental or general law or truth from which others are derived. In bioethics some important principles are beneficence, justice, nonmaleficence, and respect for autonomy; these are derived in part from professional roles and traditions.
active principle any constituent of a drug that helps to confer upon it a medicinal property.
Bobath p's a type of neurophysiological rehabilitation; see bobath method.
Bohr's principle of complementarity reflexes do not independently account for the complex nature of infant behavior.
negentropic principle a principle of general systems theory stating that open systems have mechanisms that slow down or arrest the process of movement toward less efficiency and growth. Negentropy (negative entropy) is the tendency toward order and organization.
pleasure principle (pleasure-pain principle) in psychoanalytic theory, an inborn tendency to avoid pain and seek pleasure through the immediate reduction of tension by either direct or fantasied gratification.
reality principle in psychoanalytic theory, the ego functions that modify the demands of the pleasure principle to meet the demands and requirements of the external world.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
a psychoanalytic concept that, in human psychic functioning, the person tends to seek pleasure and avoid pain; a term borrowed by experimental psychology to denote the same tendency of an animal in a learning situation.
Synonym(s): pleasure principle
Farlex Partner Medical Dictionary © Farlex 2012
In psychoanalysis, the tendency or drive to achieve pleasure and avoid pain as the chief motivating force in behavior.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
pleasure principleThe psychoanalytic concept that people instinctively seek to avoid pain and discomfort and strive for gratification and pleasure.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
pleasure principlePsychiatry The psychoanalytic concept that people instinctually seek to avoid pain and discomfort and strive for gratification and pleasure. Cf Reality principle.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
pain-plea·sure prin·ci·ple(pān-ple'zhŭr prin'si-pĕl)
psychoanalysis The concept that one tends to seek pleasure and avoid pain; a term borrowed by experimental psychology to denote the same tendency of an animal in a learning situation.
Synonym(s): pleasure principle.
Synonym(s): pleasure principle.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
pleasure principleThe tendency to seek immediate gratification of instinctual desires and to avoid pain. In the Freudian model, this primitive id reaction is gradually modified by the reality principle, a more mature ego function. See also FREUDIAN THEORY.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005