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 derivative of ergot, a...

LEARNING ADDS

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

LEARNING DURING SLEEP

The idea of learning while asleep is of considerable interest to scientists in their exploration of thinking processes. It is also attractive to practical-minded...

LEARNING (GENERAL)

A process in which new information, habits, or abilities are acquired; in general, any modification of behavior due to contact with the environment.Animals and...

LEARNING PLATEAU

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

LEARNING TECHNIQUES

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

LEARNING UNDER HYPNOSIS

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

LANGUAGE (Psycholinguistics)

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

LASHLEY, KARL SPENCER (1890- 1958)

This outstanding physiological psychologist was born in West Virginia and received his Ph.D. in genetics at Johns Hopkins in 1915. He remained there for...

LATERAL DOMINANCE (Laterality)

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

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