Associative factors in the effects of morphine on self-stimulation

An opponent-process theory of motivation: I. Temporal dynamics of affect.

1974 • 1,644 citations

A PROGRESSION FOR GENERATING VARIABLE‐INTERVAL SCHEDULES¹

1962 • 1,064 citations

Role of unconditioned and conditioned drug effects in the self-administration of opiates and stimulants.

1984 • 1,060 citations

The opponent-process theory of acquired motivation: The costs of pleasure and the benefits of pain.

1980 • 932 citations

Morphine-induced activation of A10 dopamine neurons in the rat

1983 • 485 citations

Electrophysiological evidence for excitation of rat ventral tegmental area dopamine neurons by morphine

1984 • 424 citations

Classical Conditioning, Drug Tolerance, and Drug Dependence

1983 • 396 citations

Conditioning of drug-induced physiological responses.

1982 • 367 citations

A portrait of the substrate for self-stimulation.

1981 • 344 citations

Anatomically Distinct Opiate Receptor Fields Mediate Reward and Physical Dependence

1984 • 265 citations

Associative and nonassociative theories of the UCS preexposure phenomenon: Implications for Pavlovian conditioning.

1979 • 253 citations

Morphine tolerance as habituation.

1985 • 222 citations

Sensitization to the behavioral effects of cocaine: Modification by Pavlovian conditioning

1981 • 197 citations

Conditioning and place-specific sensitization of increases in activity induced by morphine in the VTA

1984 • 181 citations

Morphine Lowering of Self-Stimulation Thresholds: Lack of Tolerance with Long-Term Administration

1977 • 171 citations

Intracranial Self-stimulation Thresholds

1979 • 159 citations

Influence of morphine on lateral hypothalamic self-stimulation in the rat

1973 • 142 citations

Opioids and rewarding brain stimulation

1978 • 139 citations

The reinforcing action of morphine and its paradoxical side effect

1977 • 136 citations

Facilitation of self-stimulation behavior following intracerebral microinjections of opioids into the ventral tegmental area

1979 • 120 citations

Mechanisms of Tolerance to and Dependence on Narcotic Analgesic Drugs

1975 • 107 citations

Negative and positive intracranial reinforcement tresholds: Effects of morphine

1974 • 107 citations

Separation of inhibiting and stimulating effects of morphine on self-stimulation behaviour by intracerebral microinjections

1976 • 106 citations

Conditioned temperature effects using morphine as the unconditioned stimulus

1979 • 102 citations

The temperature response in rats during acute and chronic morphine administration, a study of morphine tolerance.

1960 • 97 citations

Dopaminergic neurons: Effect of acute and chronic morphine administration on single cell activity and transmitter metabolism

1978 • 95 citations

Conditioned increases in locomotor activity produced with morphine as an unconditioned stimulus, and the relation of conditioning to acute morphine effect and tolerance.

1981 • 91 citations

Naloxone antagonism of conditioned hyperthermia: An evidence for release of endogenous opioid

1976 • 68 citations

The effect of microinjections of morphine and haloperidol into the neostriatum and the nucleus accumbens on self-stimulation behaviour.

1975 • 61 citations

Changes in the hyperthermic responses of rats to daily injections of morphine and the antagonism of the acute response by naloxone

1978 • 56 citations

6-OHDA lesions of the ventral tegmental area block morphine-induced but not amphetamine-induced facilitation of self-stimulation

1985 • 51 citations

The relationship between pharmacokinetics and pharmacodynamic action as applied to in vivo pA2: application to the analgesic effect of morphine.

1978 • 49 citations

Effects of heroin on lever pressing for intracranial self-stimulation, food and water in the rat

1975 • 48 citations

Restraint stress enhances morphine-induced analgesia in the rat without changing apparent affinity of receptor

1985 • 47 citations

Rat tissue levels of carbon-14 labeled analgetics as related to pharmacological activity.

1955 • 46 citations

Evidence that stress augments morphine analgesia by increasing brain tryptophan

1984 • 44 citations

Comparison of the effects of morphine on hypothalamic and medial frontal cortex self-stimulation in the rat

1976 • 43 citations

Small-dose intravenous heroin facilitates hypothalamic self-stimulation without response suppression in rats

1981 • 42 citations

Lithium differentially antagonizes self-stimulation facilitated by morphine and (+)-amphetamine

1976 • 38 citations

Mass fragmentography of morphine: relationship between brain levels and analgesic activity.

1976 • 36 citations

Morphine and shuttle-box self-stimulation in the rat: A model for euphoria

1977 • 33 citations

Dissociation of the rewarding and physical dependence-producing properties of morphine.

1983 • 32 citations

Physiological Disposition of Narcotic Agonists and Antagonists

1971 • 25 citations

Schedule-controlled behavior in the morphine-dependent and post-dependent rat

1980 • 23 citations

Opiate modification of intracranial self-stimulation in the rat

1979 • 22 citations

Is morphine-induced catalepsy related to activation of dopaminergic neurones?

1978 • 16 citations

Lack of tolerance or sensitization to the effects of chronic d-amphetamine on substantia nigra self-stimulation

1976 • 15 citations

A comparison between the effects of morphine on the rewarding and aversive properties of lateral hypothalamic and central gray stimulation

1980 • 10 citations

Secondary reinforcement property of a stimulus paired with morphine administration in the rat

1976 • 10 citations

Response-dependent effects of morphine on reinforcing lateral hypothalamic self-stimulation

1978 • 6 citations

ISTUDIES ON THE QUANTITATIVE ANTAGONISM OF μ AND K RECEPTOR AGONISTS BY NALOXONE USING THE RAT TAIL COMPRESSION TEST

1978 • 6 citations

Deleted Work

1955 • 0 citations