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Pharmacol Biochem Behav. 1986 Nov;25(5):933-8.

Repeated pemoline produces self-injurious behavior in adult and weanling rats.

Abstract

Self-injurious behavior (SIB) is a serious problem among the mentally handicapped and is often accompanied by other repetitive or stereotyped behaviors. Acute administration of high doses of amphetamine or pemoline to rats produces transient SIB which is accompanied by severe deterioration of the behavioral repertoire. Repeated subcutaneous (SC) administration of pemoline to rats produces a high incidence of SIB without the dramatic behavioral changes produced by high doses of oral pemoline. Repeated pemoline increased locomotions and rears and produced intermittent stereotyped sniffing and licking/biting. However, the animals were still able to eat, drink, sleep and groom. Hotplate tests provided no evidence for analgesia. Because SIB is often associated with human developmental disorders, the effects of repeated SC administration of pemoline to weanling rats was also investigated. SC injections every 12 hours produced a high rate of SIB in weanling rats.

PMID:
3786367
DOI:
10.1016/0091-3057(86)90065-1
[Indexed for MEDLINE]

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