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Reversal theory is a structural, phenomenological theory of personality, motivation, and emotion in the field of psychology. [1] It focuses on the dynamic qualities of normal human experience to describe how a person regularly reverses between psychological states, reflecting their motivational style, the meaning they attach to a situation at a given time, and the emotions they experience.
Epinephrine is found in the lateral tegmental system, medulla, hypothalamus, and thalamus of the central nervous system, but their function is not fully understood. Norepinephrine is found in the brain stem and is involved in sleep and wakefulness, feeding behavior, and attention.
Adrenaline, also known as epinephrine, is a hormone and medication [10] [11] which is involved in regulating visceral functions (e.g., respiration). [10] [12] It appears as a white microcrystalline granule. [13] Adrenaline is normally produced by the adrenal glands and by a small number of neurons in the medulla oblongata. [14]
In the first definitive book on defence mechanisms, The Ego and the Mechanisms of Defence (1936), [7] Anna Freud enumerated the ten defence mechanisms that appear in the works of her father, Sigmund Freud: repression, regression, reaction formation, isolation, undoing, projection, introjection, turning against one's own person, reversal into the opposite, and sublimation or displacement.
For instance, epinephrine raises arterial pressure through vasoconstriction mediated by A1-adrenergic receptor activation, in contrast to histamine, which lowers arterial pressure. Thus, despite not being true antihistamines because they do not bind to and block the histamine receptor, epinephrine and other such substances are physiological ...
Examples are dopamine, norepinephrine and serotonin. All monoamines are derived from aromatic amino acids like phenylalanine, tyrosine, and tryptophan by the action of aromatic amino acid decarboxylase enzymes. They are deactivated in the body by the enzymes known as monoamine oxidases which clip off the amine group.
Ions can create excitatory or inhibitory potentials due to their unique reversal potentials and the membrane's permeability to each ion. The Nernst equation and Goldman equation can calculate membrane potential differences based on ion concentration, offering predictions into how ions can affect postsynaptic potentials. [3]
In the 1992 Disney film Aladdin, the titular character, upon freeing the Genie from the lamp, uses reverse psychology to trick the Genie into freeing him from the Cave of Wonders, without using one of his three wishes to do so. A popular example of reverse psychology in media is the release of Queen's hit song "Bohemian Rhapsody". Upon release ...