In philosophy, the term critical theory describes the neo-Marxist philosophy of the Frankfurt School, developed in Europe in the 1930s, that engaged the works of intellectuals such as Friedrich Nietzsche and Sigmund Freud.

Building on the work of Karl Abraham, Freud developed the idea of a series of developmental phases in which the libido fixates on different erogenous zones — first in the oral stage ( exemplified by an infant's pleasure in nursing ), then in the anal stage ( exemplified by a toddler's pleasure in controlling his or her bowels ), then in the phallic stage, through a latency stage in which the libido is dormant, to its reemergence at puberty in the genital stage.

The description and definition is also a part of psychology where psychologists such as Siegmund Freud, William James have developed influential theories about the nature of the human mind.

Freud wrote that changing homosexuality was difficult and possible only under unusually favourable conditions, observing that “ in general to undertake to convert a fully developed homosexual into a heterosexual does not offer much more prospect of success than the reverse .” Success meant making heterosexual feeling possible, not eliminating homosexual feelings.

He preferred the term inversion to homosexuality, and developed concepts such as autoerotism and narcissism, which were later adopted by Sigmund Freud.

Sigmund Freud developed a theory of sexuality.

Anarchist Freud scholars Otto Gross and Wilhelm Reich ( who famously coined the phrase " Sexual Revolution ") developed a sociology of sex in the 1910s to 1930s.

The concept was developed and popularized by the Austrian neurologist and psychoanalyst Sigmund Freud.

Sigmund Freud and his followers developed an account of the unconscious mind.

The Austrian neurologist Sigmund Freud, who developed the discipline of psychoanalysis, wrote extensively about dream theories and interpretations.

In The Interpretation of Dreams, Freud developed a psychological technique to interpret dreams and devised a series of guidelines to understand the symbols and motifs that appear in our dreams.

In the late 19th century, psychotherapist Sigmund Freud developed a theory that the content of dreams is driven by unconscious wish fulfillment.

Another definition can be the theory of personality developed by Freud that focuses on repression and unconscious forces and includes the concepts of infantile sexuality, resistance, transference, and division of the psyche into the id, ego, and superego.

Sigmund Freud further developed on these theories.

The theory was developed by Sigmund Freud-in his letters to Wilhelm Fliess, '" Draft H " deals with projection as a mechanism of defence ' - and further refined by his daughter Anna Freud ; for this reason, it is sometimes referred to as Freudian Projection.

Freud developed the technique as an alternative to hypnosis, both because of the latter's perceived fallibility, and because he found that patients could recover and comprehend crucial memories while fully conscious.

Kelly and Freud had been in high school bands which developed into Teenage Radio Stars.

Psychoanalysis, a psychotherapeutic approach to behavior change developed by Sigmund Freud and modified by his followers, has also offered an explanation of substance abuse.

Amidst a nation still recovering from a brutally violent war, Freud developed thoughts published two years earlier in The Future of an Illusion ( 1927 ), wherein he criticized organized religion as a collective neurosis.

The psychodynamic perspective developed out of the psychoanalysis of Sigmund Freud.

The most controversial part of The End of Memory is Volf ’ s sustained theological argument, developed in dialogue with Sigmund Freud, Friedrich Nietzsche, and Søren Kierkegaard, that remembering wrongs suffered and committed, if done rightly, will ultimately result in non-remembrance of the wrongdoing.

After years of working together, Jung broke from Freud, due to disagreements in their ideas, and they each developed their own theories.

Sigmund Freud developed the concept object relation to describe or emphasize that bodily drives satisfy their need through a medium, an object, on a specific locus.

This readily understood standardisation, and the association Harris develops between TA and Wilder ’ s neuroscience, gives TA a special credibility that makes it both superior to, and more easily understood than, earlier abstract models such as that developed by Freud.

It is presented by the company as a reference to the Id, a psychological concept introduced by Sigmund Freud.

Jung believed that material repressed by the conscious mind, postulated by Freud to comprise the unconscious, was similar to his own concept of the shadow, which in itself is only a small part of the unconscious.

Psychoanalytic literary criticism refers to literary criticism or literary theory which, in method, concept, or form, is influenced by the tradition of psychoanalysis begun by Sigmund Freud.

) However, Krafft-Ebing's theories in Psychopathia Sexualis — where the terms sadism and masochism were used — were adopted by Sigmund Freud and became an integral part of psychoanalysis, thereby ensuring their predominance over the concept of " algolagnia ".

" This essay is especially important because the concept of the subconscious appears in the it, well before concept was popularized by Sigmund Freud.

Sigmund Freud considered that ideas of reference illuminated the concept of the superego: ' Delusions of being watched present this power in a regressive form, thus revealing its genesis ... voices, as well as the undefined multitude, are brought into the foreground again by the disease, and so the evolution of conscience is reproduced regressively '.

Freud never named an idea, discovery, or concept after himself, instead calling his therapies psychoanalysis.

Reich's early work was based on the Freudian concept of the libido, though influenced by sociological understandings with which Freud disagreed but which were to some degree followed by other prominent theorists such as Herbert Marcuse and Carl Jung.

The Althusserian concept of overdetermination ( drawing on Sigmund Freud ) posits that there are always multiple causes in every event.

It was also used by Sigmund Freud as a key concept in his psychoanalysis.

In the sixth chapter, Freud reviews the development of his concept of libido to explain why it must now be separated into two distinct instincts: the object-instinct of eros and the ego-instinct of thanatos.

This ‘ new ’ concept of the death drive actually has a long developmental history in Freud ’ s writings, including his investigations into narcissism and sadomasochism.

Freud obviously took up this concept in his Oedipus complex amongst others.

The concept of id impulses comes from Sigmund Freud ’ s structural model.

In the first definitive book on defense mechanisms, The Ego and the Mechanisms of Defense ( 1936 ), Anna Freud introduced the concept of signal anxiety ; she stated that it was " not directly a conflicted instinctual tension but a signal occurring in the ego of an anticipated instinctual tension ".

The concept of the subconscious appears in the writings of Rabbi Salanter well before the concept was popularized by Sigmund Freud.

# REDIRECTEros ( concept )# Eros and Sigmund Freud

Psychoanalyst, Sigmund Freud, made the concept of the unconscious popular and based most of his theories on psychoanalysis on the concept.

In his 1925 paper " The Resistances to Psycho-Analysis ", Freud explains that the psychoanalytic concept of sexual energy is more in line with the Platonic view of Eros, as expressed in the Symposium, than with the common use of the word " sex " as related primarily to genital activity.

Sigmund Freud, Charcot's student and the father of psychoanalysis, examined the concept of psychological trauma throughout his career.