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Results for “SELF MUTILATION”

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Self-mutilation of the penis in C57BL/6N mice.

A major cause of male reproductive failure in a C57BL/6N mouse production colony is self-inflicted mutilation of the penis. The extent of the damage ranged from loss of the distal end to loss of the entire penis. From January 1974 to August 1976, 645 adult male mice with mutilated penis were removed from this colony--where the monthly census was 9500 mice, mated 1 male to 4 females using a continuous mating system. On necropsy, it was observed that the substance blocking the urethra in the penile stump resulted in urine retention, grossly distending the urinary bladder. Proteus mirabilis and other bacteria isolated from the urethral plugs were considered secondary invaders.

Animals↗

[Modification of self-injury and self-mutilation behavior--analysis of a single case intervention study of a boy in a school for mentally retarded].

The present study analysed the self-injurious, destructive behaviour of a mentally retarded boy, ten years of age which was generally noticed through his resistance to demands and because of his self-destructive behaviour and aggressions against others. This behaviour appeared in critical situations (following instructions; not getting something). It is maintained by positive (getting attention) and negative reinforcement (let off demands). The interventions followed the mediating concept, including both female teachers and the mother of the boy. They were instructed to set effective demands, to give positive reinforcement for following rules and to sanction deviant behaviour by over correction. The effects of the intervention were measured through four problem behaviours (oppositional defiant behaviour, self-injurious behaviour, aggressive behaviour against others, evading) with 80 measurements in a multiple baseline analysis (replication over behaviours). The interventions reduced the destructive behaviours of the boy. A follow-up after 10 months proved that no problem behaviours were noticeable anymore.

Aggression↗

[Causes and incidence of self-mutilation in severely mentally handicapped patients].

Without regard to early childhood self-injurious behaviour is as a rule therapeutic difficulty to influence. Therefore analysis of the joint of causes is relevant for prevention. Among 87 hospitalized oligophrenic patients there were 10 with self injury, their sensibility for pain was considerably diminished at least. Early hospitalization resp. missing or very early deficit of maternal affection and of familiar contacts on the whole are considered to be a risk for later severe self injury.

Adolescent↗

Self-mutilation.

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Behavior Therapy↗