| psychogenic seizure | A clinical spell that resembles an epileptic seizure, but is not due to epilepsy. The EEG is normal during an attack, and the behaviour is often related to psychiatric disturbance, such as a conversion disorder. (05 Mar 2000) |
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| psychogenic | <psychology> Produced or caused by psychic or mental factors rather than organic factors. Origin: Gr. Gennan = to produce (18 Nov 1997) |
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| psychogenic deafness | Hearing loss without evidence of organic cause or malingering; often follows severe psychic shock. Synonym: functional deafness, hysterical deafness. (05 Mar 2000) |
| psychogenic nocturnal polydipsia | See: psychogenic nocturnal polydipsia syndrome. (05 Mar 2000) |
| psychogenic nocturnal polydipsia syndrome | <syndrome> Emotionally induced excessive water drinking at night. (05 Mar 2000) |
| psychogenic pain | Somatoform pain; pain which is associated or correlated with a psychological, emotional, or behavioural stimulus. Synonym: psychalgia, somatoform pain. (05 Mar 2000) |
| psychogenic pain disorder | A disorder in which the principal complaint is pain that is out of proportion to objective findings and that is related to psychological factors. (05 Mar 2000) |
| psychogenic polydipsia | Excessive fluid consumption resulting from a disorder of the personality, without demonstrable organic lesion. Synonym: hysterical polydipsia. (05 Mar 2000) |
| psychogenic purpura | <syndrome> A condition, usually occurring in women, in which the individual bruises easily (purpura simplex) and the ecchymoses tend to enlarge and involve adjacent tissues, resulting in pain in the affected parts; so-called because similar lesions are produced by inoculation of the individual's blood or various components of red blood cells and it is thought to be a form of localised autosensitization, although no specific antibodies have been demonstrable; in some individuals, there seems to be a psychogenic mechanism. Synonym: Gardner-Diamond syndrome, psychogenic purpura. (05 Mar 2000) |
| psychogenic torticollis | Spasmodic contractions of the neck muscles, of psychosomatic origin. See: spasmodic torticollis. (05 Mar 2000) |
| psychogenic tremor | Usually a coarse, irregular tremor, limited to one limb. Synonym: psychogenic tremor. (05 Mar 2000) |
| psychogenic vomiting | Vomiting associated with emotional distress and anxiety. (05 Mar 2000) |
| absence seizure | <neurology> A type of seizure that in contrast to the grand mal seizure, are noted for their brevity and for the degree of loss of awareness (brief staring spell) accompanied by minimal motor manifestations. A common form of childhood epilepsy. (06 Oct 1997) |
| akinetic seizure | Seizure characterised by sudden loss of muscle tone. Synonym: akinetic seizure. (05 Mar 2000) |
| atonic seizure | Seizure characterised by sudden loss of muscle tone. Synonym: akinetic seizure. (05 Mar 2000) |
| atypical absence seizure | An absence seizure associated with an EEG pattern of irregular or slow spike and wave at less than 2.5 Hz or paroxysmal fast activity on an abnormally slow background EEG. (05 Mar 2000) |