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  • 1970-1974  (2)
  • 1950-1954
  • Amitriptyline-Perphenazine  (1)
  • Bar Press Extinction  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Psychopharmacology 27 (1972), S. 157-162 
    ISSN: 1432-2072
    Keywords: Hippocampus ; Magnesium Pemoline ; Memory ; Bar Press Extinction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Stainless steel cannulae were implanted in the medial hippocampus of 24 rats. The subjects were then trained to press a bar for milk reinforcement. After a fixed amount of training the animals were divided into four groups. A control group received injections of Holman's ringer (via the cannulae) while each of three experimental groups received a different dose of magnesium pemoline. The animals then performed an additional number of bar presses. Twenty-four hours later the time and number of bar presses to an extinction criterion were measured. The low and medium drug-dose group exhibited increased resistance to extinction. The results were discussed with regard to the effect magnesium pemoline has on performance variables and RNA synthesis.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-2072
    Keywords: Doxepin ; Amitriptyline-Perphenazine ; Initial Depression ; Setting Effects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Doxepin was compared to the combination of amitriptyline-perphenazine in a double-blind controlled study conducted with 100 clinic, general practice, and private psychiatric practice outpatients diagnosed as suffering from a mixed anxiety-depressive reaction. The relatively few statistically significant differences found in the study indicated amitriptyline-perphenazine to be more effective than doxepin (main drug effects), general practice patients to improve the most and private psychiatric patients the least (main population effects), and clinic patients to respond better to doxepin, while general practice and private psychiatric patients improved most with the drug combination (drug×population interaction effects). Amitriptyline-perphenazine was found to produce more improvement in high and doxepin in low depressed patients, and doxepin was observed to be more effective in lower than in higher social class patients. Patients on doxepin tended to report more side effects, but to drop out less frequently than patients on the drug combination.
    Type of Medium: Electronic Resource
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