Effects of morphine and naloxone on hippocampal CA3 field potentials following systemic administration in the freely-moving rat

The effect of IV morphine, 2, 6 and 15 mg/kg, on hilar-evoked CA3 field potentials was studied to determine if this area would be more sensitive to mu-type opiate agonists than the CA1 or dentate regions. In addition, the effect of IV naloxone, 2 and 25 mg/kg, on the same responses was studied to de...

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