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  • 1
    ISSN: 1432-2072
    Keywords: Aggression ; Morphine ; Naloxone ; Apomorphine ; Amphetamine ; Narcotic Withdrawal
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Aggression, which is normally seen during withdrawal from narcotics, could not be produced in morphine-dependent rats by the administration of naloxone at doses which cause other signs of withdrawal. Apomorphine injected instead of naloxone was capable of producing aggression, without other withdrawal signs. Naturally occurring aggression (72-hr withdrawal) was enhanced by apomorphine and unaffected by naloxone.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Psychopharmacology 35 (1974), S. 19-28 
    ISSN: 1432-2072
    Keywords: Smoking ; Deprivation ; Aggression ; Reaction Time ; Hostility
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Smokers and non-smokers were tested on the Buss aggression-machine to determine their aggression scores and visual reaction times during two sessions. The mean aggression scores of the non-smokers did not differ significantly between sessions whereas there was a significant increase in aggression scores for the chronic smokers in their non-smoking (deprivation) session compared with their smoking session, This increase in aggression in deprived smokers is discussed as a factor in the continuance of the smoking habit and is positively correlated to rated hostility scores on the Buss-Durkee Hostility Inventory.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-2072
    Keywords: Aggression ; Morphine Addiction ; Apomorphine ; Dopamine Receptors ; Receptor Supersensitivity ; Narcotic Abstinence ; Nigrostriatal Lesion ; Medial Forebrain Bundle Lesion ; Protracted Abstinence ; Dopamine Turnover
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Reliable aggression was seen in rats which were grouped 30 days after undergoing continuous withdrawal from morphine. This withdrawal aggression, associated with long-lasting effects of morphine dependence, was blocked by morphine or lesions of the nigrostriatal bundle, but not by lesions of the median forebrain bundle. When the nigrostriatal lesioned rats were treated with a small dose of apomorphine, the aggression was reinstated. Apomorphine reduced the turnover of dopamine in the 30-day withdrawn rats at doses which were ineffective in similarly housed non-dependent rats. These results suggest that animals undergoing protracted morphine abstinence show aggression due to a latent dopaminergic supersensitivity, similar to that previously reported during acute narcotic withdrawal.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Psychopharmacology 49 (1976), S. 191-195 
    ISSN: 1432-2072
    Keywords: Pilocarpine ; Atropine ; Dexetimide ; Methylscopolamine ; Morphine addiction ; Narcotic withdrawal ; Aggression ; Wet shakes ; Diarrhea ; Dopamine ; Acetylcholine interaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The effects of pilocarpine, atropine and dexetimide were studied on the occurrence and intensity of morphine-withdrawal signs observed after cessation of chronic morphine injections. Pilocarpine was effective in reducing both ‘wet-dog’ like body shakes and aggression but it increased diarrhea and weight loss. Pretreatment with atropine blocked all of the effects of pilocarpine on withdrawal signs. Methylscopolamine pretreatment blocked only diarrhea. The administration of atropine or dexetimide produced no significant effect on any of the withdrawal signs. These results indicate a role for central cholinergic mechanism in narcotic withdrawal.
    Type of Medium: Electronic Resource
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