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Sensory extinction
Sensory extinction
Failure to report sensory stimuli from one region if another region is stimulated simultaneously, even though when the region in question is stimulated by itself, the stimulus is correctly reported.
SIMILAR TERMS--------------------------------------
Sensate focus
A term introduced by Masters and Johnson to refer to the procedure in sex therapy whereby each partner in turn explores the sensory responsivity of the other, especially through the sense of touch, as in fondling, and stopping short of penovaginal intercourse.
Sensipar
Sensipar is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): cinacalcet hydrochloride.
Sensitivity
1. The reciprocal of the minimum stimulus strength required for the stimulus to be detected reliably (1/threshold) May be related to noise and other mechanisms.
2. Physiologically measured sensitivity averaged over many stimulus/response cycles. A measure of gain. Noise free.
Sensitivity control
Adjustment of eye sensitivity to compensate for a change in illumination.
Sensitization
Potential recipients are "sensitized" if there are antibodies in their blood, usually because of pregnancy, blood transfusions or previous rejection of an organ transplant. Sensitization is measured by PRA. Highly sensitized patients are more likely to reject an organ transplant than unsensitized patients.
Sensorcaine
Sensorcaine is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): bupivacaine hydrochloride.
Sensors
A device, such as a photoelectric cell, that receives and responds to a signal or stimulus.
Sensory fusion
The combining of drawing together of two images which fall on different points in the two retinas without changing the vergence of the two eyes.
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Stomatitis
Inflammation of the mucosa of the mouth.
Suppurative
Containing pus.
Screen memory
A consciously tolerable memory that serves as a cover for an associated memory that would be emotionally painful if recalled.
Secondary gain
The external gain derived from any illness, such as personal attention and service, monetary gains, disability benefits, and release from unpleasant responsibilities. See also primary gain.
Secondary process
In psychoanalytic theory, mental activity and thinking characteristic of the ego and influenced by the demands of the environment. Characterized by organization, systematization, intellectualization, and similar processes leading to logical thought and action in adult life. See also primary process; reality principle.
Sensory extinction
Separation anxiety disorder
A disorder with onset before the age of 18 consisting of inappropriate anxiety concerning separation from home or from persons to whom the child is attached. Among the symptoms that may be seen are unrealistic concern about harm befalling or loss of major attachment figures; refusal to go to school (school phobia) in order to stay at home and maintain contact with this figure; refusal to go to sleep unless close to this person; clinging; nightmares about the theme of separation; and development of physical symptoms or mood changes (apathy, depression) when separation occurs or is anticipated.
Separation-individuation
Psychological awareness of one's separateness, described by Margaret Mahler as a phase in the mother-child relationship that follows the symbiotic stage. In the separation-individuation stage, the child begins to perceive himself or herself as distinct from the mother and develops a sense of individual identity and an image of the self as object. Mahler described four subphases of the process: differentiation, practicing, rapprochement (i.e., active approach toward the mother, replacing the relative obliviousness to her that prevailed during the practicing period), and separation-individuation proper (i.e., awareness of discrete identity, separateness, and individuality).
Sign
An objective manifestation of a pathological condition. Signs are observed by the examiner rather than reported by the affected individual.
Shaping
Reinforcement of responses in the patient's repertoire that increasingly approximate sought-after behavior.
Sick role
An identity adopted by an individual as a "patient" that specifies a set of expected behaviors, usually dependent.
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