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  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Psychiatry Research 22 (1987), S. 149-158 
    ISSN: 0165-1781
    Keywords: Circadian rhythms ; depression ; mood ; phase shift ; sleep
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
    Location Call Number Limitation Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    World journal of urology 1 (1983), S. 233-238 
    ISSN: 1433-8726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary There are few comparative or descriptive studies in the literature regarding aetiological factors in psychogenic impotence. Those that are available have major methodological weaknesses, among which are the lack of rigorous criteria for the selection of psychogenically impotent patients and a suitable control group for comparison. In this study these weaknesses have been overcome, and in addition, a scale has been devised which, it is believed, will have wide application in the assessment of impotence. The results of this pilot study show that no single cause is of paramount importance in the genesis of psychogenic impotence; rather a cluster of factors emerged which, taken together, proved to be excellent indicators of whether or not a patient's impotence was psychogenic. These factors included work, family and economic stress, together with response to stress — anxiety and depression. Alcohol, psychiatric illness, and the presence of premature ejaculation and performance anxiety prior to the onset of erectile difficulties did not emerge as causative factors. It is anticipated that the use of this scale will allow systematic evaluation of impotence and better communication among investigators in the field of sexual dysfunction.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-6717
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Psychology
    Notes: Abstract Although there are psychogenic consequences of impotence for all impotent men, it is assumed that the psychogenic causes of impotence will only be evident in those men diagnosed as psychogenically impotent. Research into the psychogenic causes of impotence has been sparse. We developed a model of psychogenic impotence, and compared a group of organically impotent men and a group of psychogenically impotent men. Ninety subjects were selected from those referred to our multi-disciplinary sexual dysfunction clinic. It was hypothesised that psychogenically impotent men would score higher in the categories of problems with sexuality, interactional problems, lovemaking and relationship problems, companionship, friendship and partnership problems, problems in the family situation, and life stresses: and, that organically impotent men would score higher in the health problems category. The results suggested that interactional problems between patient and partner were common to both diagnostic groups, and that in all other categories (with the exception of health problems) psychogenically impotent men experienced more difficulty (p〈.05). Organically impotent men, as expected, exhibited more health problems (p〈.05); however, a large number of psychogenically impotent patients suffered from the same health problems. It was suggested that some psychogenically impotent men suffered from an insidious organic deterioration which was undectable at the time of diagnosis, and that with the progress of time, the diagnosis of some of these patients might change to organic impotence.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-2800
    Keywords: organic impotence ; psychogenic impotence ; nocturnal erections ; sexual dysfunction ; erectile dysfunction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Psychology
    Notes: Abstract A study was conducted to assess the validity of nocturnal penile tumescence (NPT) as a means of distinguishing between psychogenic and organic erectile failure (impotence). On the basis of independent clinical criteria, patients were assigned to one of four diagnostic categories—organic impotence, psychogenic impotence, mixed etiology, and uncertain etiology. The NPT characteristics of the patients in the organic and psychogenic groups were compared and decision rules formulated in order to provide optimal discrimination between the two diagnostic categories. A decision rule based on the maximum erectile response observed for each patient led to the correct diagnosis in 80% of cases. Accuracy was increased to 95% when a decision rule based on the maximum frequency of nocturnal erections was employed. The clinical value and limitations of NPT as a diagnostic procedure are discussed.
    Type of Medium: Electronic Resource
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