L

n23

LUPUS ERYTHEMATOSUS Giterally, wolf-red inflammation)

A collagen, or connective tissue, disease of unknown cause affecting small blood vessels in various organs of the body, including

LYING

Lying may take either a normal or pathological form, and will therefore be discussed as (a) a feature of the

LEAD POISONING

Lead poisoning is the most frequent type of metallic intoxication, and usually produces the most severe mental symptoms. It is

LYSERGIC ACID (LSD)

A powerful hallucinogenic, “mind-expanding” drug used for experimental and therapeutic purposes.In its natural form, lysergic acid diethylamide, LSD-25, is a

LEARNING ADDS

In recent years there has been a vast increase in the variety of available materials and techniques designed to enhance

LEARNING DURING SLEEP

The idea of learning while asleep is of considerable interest to scientists in their exploration of thinking processes. It is

LEARNING (GENERAL)

A process in which new information, habits, or abilities are acquired; in general, any modification of behavior due to contact

LEARNING PLATEAU

A flat place in a learning curve, indicating a period of little or no progress (Fig. 33).The occurrence and persistence

LEARNING TECHNIQUES

It is safe to say that no subject in the entire field of psychology has received more attention than the

LEARNING UNDER HYPNOSIS

Hypnotic learning has not been fully explored, but a number of reported experiments show positive results. The first studies dealt

LEGAL PSYCHIATRY (Forensic Psychiatry)

There are many points where the provinces of psychiatry and the law impinge on each other. Some of the most

LEGAL PSYCHOLOGY (Forensic Psychology)

An area of applied psychology traditionally devoted to such problems as testimony, methods of interrogation, and guilt detection.In recent years

LEVEL OF ASPIRATION

The level at which a person sets his significant goals; the level of performance to which he aspires.An individual’s aspiration

LIE DETECTOR

An apparatus designed to detect emotional changes that indicate guilt.Attempts to detect guilt on the basis of physical and psychological

LOCKE, JOHN (1632-1704)

Locke, the great empiricist and pioneer in associationist psychology, was born in Somerset, England, studied medicine and science at Oxford,

LOGORRHEA (Logomania,Hyperlogia,Hyperphrasia)

Excessive, uncontrollable talking, often highly incoherent.Logorrhea occurs in states of pathological excitement, particularly in the manic phase of manic-depressive psychosis

LOVE

A complex yet basically unified emotion comprising tenderness, affection, and devotion to the well-being of another person or persons.In more

LATERAL DOMINANCE (Laterality)

Predominance of one side of the body over the other, resulting in the preferred use and superior functioning of either

LAW OF CONTIGUITY

A principle of learning which states that to establish an association between two events, they must be experienced close together

LANGUAGE (Psycholinguistics)

Language may be defined as a system of symbols with commonly recognized meanings which facilitates our thought processes and enables