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1.
Pharmacol Biochem Behav ; 3(5): 749-54, 1975.
Artigo em Inglês | MEDLINE | ID: mdl-1208616

RESUMO

Male Sprague-Dawley rats prepared with chronic electrodes in the mesencephalic reticular formation were trained to perform on a visual attention task. Short trains of electric current delivered to the reticular formation effectively blocked performance in a reversible and reproducible fashion. Subcutaneous administration of 100 mug/kg nicotine (as the base) served to attenuate the behavioral disruption caused by reticular stimulation. The suggestion that it is a nicotine-induced limbic system activation which antagonizes the behavioral disruption caused by electrically-induced reticular over-activation, is discussed.


Assuntos
Comportamento Animal/efeitos dos fármacos , Nicotina/farmacologia , Formação Reticular/fisiologia , Animais , Atenção/efeitos dos fármacos , Comportamento Animal/fisiologia , Estimulação Elétrica , Masculino , Ratos
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