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Although Sigmund Freud was once one of the most recognizable faces of psychology, this scientific discipline has developed significantly since the time of his predominance. Psychology has become an increasingly integrative science at the hub of diverse other disciplines, from biology and neurology to sociology, anthropology, and economics. At the same time, old sub-disciplinary boundaries within pyschology itself are now crossed more freely; interdisciplinary teams may work on a common problem using methods that draw on multiple levels of analysis, whether social, cognitive, or biological.
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Psychology & Mental Health Encyclopedia Articles By Title

repression
repression, in psychoanalytic theory, the exclusion of distressing memories, thoughts, or feelings from the conscious......
Rhine, J.B.
J.B. Rhine was an American parapsychologist who was credited with coining the term extrasensory perception (ESP)......
Ribot, Théodule-Armand
Théodule-Armand Ribot was a French psychologist whose endeavor to account for memory loss as a symptom of progressive......
Richter, Curt Paul
Curt Paul Richter was an American biologist who helped pioneer the discovery and study of biorhythms and who showed......
Rogers, Carl
Carl Rogers was an American psychologist who originated the nondirective, or client-centred, approach to psychotherapy,......
Rorschach test
Rorschach test, projective method of psychological testing in which a person is asked to describe what he or she......
Rorschach, Hermann
Hermann Rorschach was a Swiss psychiatrist who devised the inkblot test that bears his name and that was widely......
Ross, Edward A.
Edward A. Ross was a founder of sociology in the United States and one of the first sociologists to pursue a comprehensive......
Rowse, A.L.
A.L. Rowse was an English historian and writer who became one of the 20th century’s foremost authorities on Elizabethan......
Rush, Benjamin
Benjamin Rush was an American physician and political leader, a member of the Continental Congress and a signer......
Russell, Bertrand
Bertrand Russell was a British philosopher, logician, and social reformer, a founding figure in the analytic movement......
Róheim, Géza
Géza Róheim was a Hungarian-American psychoanalyst who was the first ethnologist to utilize a psychoanalytic approach......
Sackler, Arthur M.
Arthur M. Sackler was an American physician, medical publisher, and art collector who made large donations of money......
sadism
sadism, a habit or practice of deriving sexual gratification from the infliction of pain or suffering on another......
sadomasochism
sadomasochism, deriving pleasure, often of a sexual nature, from the infliction of physical or psychological pain......
Sakel, Manfred J.
Manfred J. Sakel was a Polish neurophysiologist and psychiatrist who introduced insulin-shock therapy for schizophrenia.......
Samuelson, Paul
Paul Samuelson was an American economist who was awarded the Nobel Prize in Economic Sciences in 1970 for his fundamental......
sanction
sanction, in the social sciences, a reaction (or the threat or promise of a reaction) by members of a social group......
Santayana, George
George Santayana was a Spanish-American philosopher, poet, and humanist who made important contributions to aesthetics,......
Savage, Dan
Dan Savage is an American writer who rose to prominence in the 1990s via his frank and ribald syndicated sex-advice......
savant syndrome
savant syndrome, rare condition wherein a person of less than normal intelligence or severely limited emotional......
scatologia
scatologia, deviant sexual practice in which sexual pleasure is obtained through the compulsive use of obscene......
schadenfreude
schadenfreude, the emotional experience of pleasure in response to another’s misfortune. Schadenfreude is a German......
Schelling, Friedrich Wilhelm Joseph von
Friedrich Wilhelm Joseph von Schelling was a German philosopher and educator, a major figure of German idealism,......
schema
schema, in social science, mental structures that an individual uses to organize knowledge and guide cognitive......
Schiller, Daniela
Daniela Schiller is an Israeli-born cognitive neuroscientist best known for her research in the area of memory......
Schneirla, Theodore Christian
Theodore Christian Schneirla was an American animal psychologist who performed some of the first studies on the......
school psychology
school psychology, Branch of applied psychology that deals largely with educational assessment, psychological testing,......
Searle, John
John Searle was an American philosopher best known for his work in the philosophy of language—especially speech......
self
self, the “I” as experienced by an individual. In modern psychology the notion of the self has replaced earlier......
self-actualization
self-actualization, in psychology, a concept regarding the process by which an individual reaches his or her full......
self-esteem
self-esteem, Sense of personal worth and ability that is fundamental to an individual’s identity. Family relationships......
self-fulfilling prophecy
self-fulfilling prophecy, process through which an originally false expectation leads to its own confirmation.......
sensation
sensation, in neurology and psychology, any concrete, conscious experience resulting from stimulation of a specific......
Seohak
Seohak, in Korean history, the study of Western culture, introduced into Korea from the Chinese Ming and Qing dynasties......
seppuku
seppuku, the honourable method of taking one’s own life practiced by men of the samurai (military) class in feudal......
sex slavery
sex slavery, condition in which one human being is owned by another and is forced or otherwise coerced into working......
sexology
sexology, interdisciplinary science that focuses on diverse aspects of human sexual behavior and sexuality, including......
sexual abuse
sexual abuse, in criminal law, any act of sexual contact that a person suffers, submits to, participates in, or......
sexual assault
sexual assault, illegal form of sexual contact initiated or performed without the appropriate consent of the victim.......
Sexual Behavior in the Human Male
Sexual Behavior in the Human Male, statistical study published in 1948 by A.C. Kinsey and his associates W.B. Pomeroy......
sexual motivation
sexual motivation, the impulse to gratify sexual needs, either through direct sexual activity or through apparently......
sexual orientation
sexual orientation, the enduring pattern of an individual’s emotional, sexual, and/or romantic attraction. In science,......
sexuality
sexuality, the quality or state of being sexual, encompassing a spectrum of sexual identities. Terms associated......
Sheldon, William
William Sheldon was an American psychologist and physician who was best known for his theory associating physique,......
Shepard, Roger
Roger Shepard was an American psychologist and cognitive scientist known for his work in multidimensional scaling,......
short-term memory
short-term memory, in psychology, the concept involving the extremely limited number of items that humans are capable......
Shulman, Lee S.
Lee S. Shulman is an American educational psychologist, educator, and reformer whose work focused on teaching and......
shunning
shunning, social control mechanism used most commonly in small tight-knit social groups to punish those who violate......
sibling rivalry
sibling rivalry, intense competition among siblings for recognition and the attention of their parents. Sibling......
Sigmund Freud on psychoanalysis
The term psychoanalysis was not indexed in the Encyclopædia Britannica until well into the 20th century. It occurs......
Skinner, B.F.
B.F. Skinner was an American psychologist and an influential exponent of behaviourism, which views human behaviour......
Smelser, Neil
Neil Smelser was an American sociologist noted for his work on the application of sociological theory to the study......
Snuffing Out Smoking
Although the origins of smoking are unknown, it was first seen among Native Americans, who used tobacco for both......
social capital
social capital, concept in social science that involves the potential of individuals to secure benefits and invent......
social identity theory
social identity theory, in social psychology, the study of the interplay between personal and social identities.......
social learning
social learning, in psychological theory, learning behaviour that is controlled by environmental influences rather......
social psychology
social psychology, the scientific study of the behaviour of individuals in their social and cultural setting. Although......
socialization
socialization, the process whereby an individual learns to adjust to a group (or society) and behave in a manner......
sodomy
sodomy, noncoital carnal copulation. The term is understood in history, literature, and law in several senses:......
soft skills
soft skills, nontechnical and non-industry-specific skills applicable to a wide range of tasks across many roles......
somatotype
somatotype, in psychology, the discredited idea that human body shape and physique type are associated with personality......
space perception
space perception, process through which humans and other organisms become aware of the relative positions of their......
spatial memory
spatial memory, storage and retrieval of information within the brain that is needed both to plan a route to a......
Spearman, Charles E.
Charles E. Spearman was a British psychologist who theorized that a general factor of intelligence, g, is present......
Spence, Kenneth Wartinbee
Kenneth Wartinbee Spence was an American psychologist who attempted to construct a comprehensive theory of behaviour......
spiral of silence
spiral of silence, in the study of human communication and public opinion, the theory that people’s willingness......
sportswashing
sportswashing, the use of an athletic event by an individual or a government, a corporation, or another group to......
Stanford Prison Experiment
The Stanford Prison Experiment was a social psychology study in which college students became prisoners or guards......
startle reaction
startle reaction, an extremely rapid psychophysiological response of an organism to a sudden and unexpected stimulus......
stereotype
stereotype, in psychology, a fixed, oversimplified, and often biased belief about a group of people. Stereotypes......
stimulus-response theory
stimulus-response theory, idea that learning and behaviour can be explained by interactions between stimuli and......
Stout, George Frederick
George Frederick Stout was an English psychologist and philosopher who advanced a system of psychology emphasizing......
stream of consciousness
stream of consciousness, narrative technique in nondramatic fiction intended to render the flow of myriad impressions—visual,......
structuralism
structuralism, in psychology, a systematic movement founded in Germany by Wilhelm Wundt and mainly identified with......
Stumpf, Carl
Carl Stumpf was a German philosopher and theoretical psychologist noted for his research on the psychology of music......
suggestion
suggestion, in psychology, process of leading a person to respond uncritically, as in belief or action. The mode......
suicide
Suicide, the act of intentionally taking one’s own life, is often the result of what has been described as unbearable......
Sullivan, Harry Stack
Harry Stack Sullivan was an American psychiatrist who developed a theory of psychiatry based on interpersonal relationships.......
superego
superego, in the psychoanalytic theory of Sigmund Freud, the latest developing of three agencies (with the id and......
survivorship bias
survivorship bias, a logical error in which attention is paid only to those entities that have passed through (or......
synesthesia
synesthesia, neuropsychological trait in which the stimulation of one sense causes the automatic experience of......
Séguin, Edouard
Edouard Séguin was a French-born American psychiatrist who pioneered modern educational methods for teaching the......
Tajfel, Henri
Henri Tajfel was a Polish-born British social psychologist, best known for his concept of social identity, a central......
Tatlock, Jean
Jean Tatlock was an American physician, psychiatrist, and communist sympathizer. Tatlock was the second and youngest......
TED
TED, series of conferences that promote new ideas and work in a wide variety of human endeavour. TED was founded......
Teenagers Who Changed the World in 2020
Teenagers are changing the world in many widely different fields, from social and political leadership to new technologies......
teetotalism
teetotalism, the practice or promotion of total abstinence from alcoholic drinks. It became popular as part of......
telepathy
telepathy, direct transference of thought from one person (sender or agent) to another (receiver or percipient)......
temperament
temperament, in psychology, an aspect of personality concerned with emotional dispositions and reactions and their......
Terman, Lewis
Lewis Terman was an American psychologist who published the individual intelligence test widely used in the United......
Tetens, Johannes Nikolaus
Johannes Nikolaus Tetens was a German psychologist, mathematician, economist, educator, and empiricist philosopher......
thanatology
thanatology, the description or study of death and dying and the psychological mechanisms of dealing with them.......
The 20 Under 40 Series: Young Shapers of the Future
The future is unwritten. It is also right around the corner, and, if, as science fiction author William Gibson......
The Future of Information and Education
For centuries, education has consisted primarily of students sitting before an instructor in a classroom setting,......
The Great Moon Hoax of 1835 Was Sci-Fi Passed Off as News
So reads part of the first installment of what would later be called the Great Moon Hoax. The series of six articles,......

Psychology & Mental Health Encyclopedia Articles By Title