Visual effects of opiates in pigeons: I.
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Patricia M. Blough; Donald S. Blough
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Article
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1989
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Springer
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English
β 544 KB
Pigeons pecked at target forms, located in arrays of distractors. In experiment 1 the number of distractors and their similarity to the target varied. In experiment 2, similarity was varied over a more extended range. Drug tests used morphine in doses ranging from 1 to 6 mg/kg, naloxone (0.3-3 mg/kg