Conditional hypoalgesia is attenuated by Naltrexone applied to the periaqueductal gray

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Evidence that an excitatory connection between the periaqueductal gray and nucleus raphe magnus mediates stimulation produced analgesia

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1984 • 147 citations

Classical conditioning of front paw and hind paw footshock induced analgesia (FSIA): Naloxone reversibility and descending pathways

1982 • 136 citations

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1988 • 124 citations

Stimulation of the periaqueductal gray matter inhibits nociception at the supraspinal as well as spinal level

1989 • 118 citations

Comparison of the antinociceptive effect of morphine and glutamate at coincidental sites in the periaqueductal gray and medial medulla in rats

1989 • 110 citations

Elicitation of intraspecific defensive behaviors in the rat by microinjection of picrotoxin, a γ-aminobutyric acid antagonist, into the Midbrain Periaqueductal gray matter

1986 • 88 citations

Effects of naltrexone on learning and performance of conditional fear-induced freezing and opioid analgesia

1987 • 87 citations

Naloxone injections into the periaqueductal grey area and arcuate nucleus block analgesia in defeated mice

1985 • 72 citations

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Fear is not critical to classically conditioned analgesia: The effects of periaqueductal gray lesions and administration of chlordiazepoxide

1984 • 47 citations

Quaternary naltrexone reveals the central mediation of conditional opioid analgesia

1987 • 37 citations

The effects of naloxone administered into the periaqueductal gray on shock-elicited freezing behavior in the rat

1986 • 31 citations

Delta opioid antagonist, 16-Me cyprenorphine, selectively attenuates conditional fear- and DPDPE-induced analgesia on the formalin test

1989 • 28 citations

Limbic influence on the periaqueductal gray: A single unit study in the awake squirrel monkey

1984 • 24 citations