[Phalloplethysmography findings in pedophilia and exhibitionism offenders].
BACKGROUND
Exhibitionist behaviour focused on children (usually girls) is one of the most frequent forms of sexual child abuse. Exposure in the presence of children signalizes possible pedophil inclinations of the offender. The present paper presents the results of PPG examinations of these offenders with special attention to assessment how often these men have an objective phallographic pedophil orientation. The results of PPG examinations in this group of sexual delinquents are also compared with the findings in a control group of men who report a heterosexual orientation and preference of objects of suitable age.


RESULTS
Using an electrocapacitance phalloplythysmographic apparatus the authors examined 50 men (mean age 36.3 years, range 17-67 years) who committed exhibitionist activities in the presence of girls under 12 years. The PPG examination was made under standard conditions; all examined subjects were shown sets of coloured slides with adult and child objects of hetero and homosexual character. In the same way a control group was examined formed by 50 male volunteers of similar age and social background. The men in the control group responded more frequently and more merkedly by positive vasomotor reactions to adult heterosexual objects than subjects who committed pedophil exhibitionist offences. The latter reacted significantly more often to child objects of both sexes. In more than half the delinquent group (in 26 men) there was an undefined differentiation of age as regards objects of female sex and 6 (12%) men of this group had preference for heterosexual child objects, i.e. an obvious pedophil orientation. In men of the control group only in one case there was an indication of an ill defined differentiation of age, in all the others an unequivocal or clearly indicated preference of heterosexual objects was found.


CONCLUSIONS
PPG examinations confirmed that only a minor part of subjects committing pedophil exhibitionist offences have a deviant orientation. It was revealed that the most frequent phallographic finding in this group of sexual delinquents is an ill defined differentiation of age in objects of female sex. The investigation confirmed the importance of phalloplethysmography in elucidating sexually motivated structures of offenders of pedophil sexual activities.
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Sexuologické oddélení FNsP, Brno-Bohunice.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005084:Exhibitionism / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010378:Pedophilia / Q000503:physiopathology*; D010413:Penis / Q000503:physiopathology*; D010991:Plethysmography; D012742:Sex Offenses
Falopletysmografické nálezy u pachatelů pedofilnĕ exhibicionistických deliktů.