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References (71)

A METHOD FOR DETERMINING LOSS OF PAIN SENSATION

1941 • 3,174 citations

The Psychology of Learning and Motivation

2012 • 3,073 citations

Differential contribution of amygdala and hippocampus to cued and contextual fear conditioning.

1992 • 2,910 citations

Differential contribution of amygdala and hippocampus to cued and contextual fear conditioning.

1992 • 2,621 citations

Cellular and Molecular Mechanisms of Drug Dependence

1988 • 2,094 citations

Different projections of the central amygdaloid nucleus mediate autonomic and behavioral correlates of conditioned fear

1988 • 1,573 citations

The amygdala: Neurobiological aspects of emotion, memory, and mental dysfunction.

1992 • 1,517 citations

Molecular mechanisms of drug addiction

2004 • 1,080 citations

Crouching as an index of fear.

1969 • 1,057 citations

Autoradiographic differentiation of mu, delta and kappa opioid receptors in the rat forebrain and midbrain

1988 • 980 citations

Innate and conditioned reactions to threat in rats with amygdaloid lesions.

1972 • 739 citations

Simultaneous quantitative assessment of morphine tolerance and physical dependence.

1969 • 681 citations

The Amygdala: Neurobiological Aspects of Emotion, Memory, and Mental Dysfunction

1992 • 643 citations

The role of the amygdala in conditioned fear.

1992 • 591 citations

Opiate withdrawal and the rat locus coeruleus: behavioral, electrophysiological, and biochemical correlates

1990 • 442 citations

Molecular mechanisms of drug addiction [published erratum appears in J Neurosci 1992 Aug;12(8):following table of contents]

1992 • 392 citations

The Midbrain Periaqueductal Gray as a Coordinator of Action in Response to Fear and Anxiety

1991 • 387 citations

Role of different brain structures in the expression of the physical morphine withdrawal syndrome.

1992 • 381 citations

Neural substrates of opiate withdrawal

1992 • 361 citations

The Midbrain Periaqueductal Gray Matter

1991 • 313 citations

Intrinsic neurons in the amygdaloid field projected to by the medial geniculate body mediate emotional responses conditioned to acoustic stimuli

1986 • 282 citations

Long-Term Stress-Induced Analgesia and Activation of the Opiate System

1981 • 266 citations

Alterations in Brain Norepinephrine Metabolism Induced by Environmental Stimuli Previously Paired with Inescapable Shock

1980 • 263 citations

Quantitative aspects of precipitated abstinence in morphine-dependent rats.

1973 • 252 citations

Evidence for opioid and non-opioid forms of stimulation-produced analgesia in the rat

1982 • 210 citations

The amygdala is essential for the expression of conditional hypoalgesia.

1992 • 202 citations

Conditional analgesia, defensive freezing, and benzodiazepines.

1988 • 199 citations

Shock-induced analgesia on the formalin test: Effects of shock severity, naloxone, hypophysectomy, and associative variables.

1984 • 187 citations

The amygdala is essential for the expression of conditional hypoalgesia.

1992 • 175 citations

Multiple Endogenous Opiate and Non‐Opiate Analgesia Systems: Evidence of Their Existence and Clinical Implicationsa

1986 • 165 citations

Conditioned fear-induced opiate analgesia on the Formalin test: Evidence for two aversive motivational systems

1982 • 159 citations

Conditional analgesia, defensive freezing, and benzodiazepines.

1988 • 157 citations

Role of fear in mediating shuttle escape learning deficit produced by inescapable shock.

1990 • 157 citations

Shock-induced analgesia on the formalin test: Effects of shock severity, naloxone, hypophysectomy, and associative variables.

1984 • 147 citations

Anxiety and the Amygdala: Pharmacological and Anatomical Analysis of the Fear-Potentiated Startle Paradigm

1988 • 139 citations

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

1982 • 136 citations

Single unit activity of locus coeruleus neurons in the freely moving cat

1986 • 134 citations

Stress-induced hypoalgesia and defensive freezing are attenuated by application of diazepam to the amygdala

1993 • 105 citations

The amygdalo-brainstem pathway: Selective innervation of dopaminergic, noradrenergic and adrenergic cells in the rat

1989 • 96 citations

Conditional hypoalgesia is attenuated by Naltrexone applied to the periaqueductal gray

1990 • 83 citations

Forgetting of conditioned fear inhibition

1978 • 77 citations

Glutamate-induced analgesia: Blockade and potentiation by naloxone

1980 • 76 citations

STIMULUS ASPECTS OF AVERSIVE CONTROLS: THE RETENTION OF CONDITIONED SUPPRESSION1

1963 • 75 citations

Immobilization stress-induced oral opioid self-administration and withdrawal in rats: role of conditioning factors and the effect of stress on “relapse” to opioid drugs

1993 • 68 citations

Lack of effect of naloxone on autoanalgesia

1979 • 68 citations

Role of mu and kappa opioid receptors in conditional fear-induced analgesia: the antagonistic actions of nor-binaltorphimine and the cyclic somatostatin octapeptide, Cys2Tyr3Orn5Pen7-amide.

1989 • 61 citations

The benzodiazepine inverse agonist DMCM as an unconditional stimulus for fear-induced analgesia: Implications for the role of GABA-sub(A ) receptors in fear-related behavior.

1992 • 55 citations

Aversive conditioning in the rat: Effects of a benzodiazepine and of an opioid agonist and antagonist on conditioned hypoalgesia and fear.

1991 • 51 citations

Morphine analgesia: Enhancement by shock-associated cues.

1984 • 50 citations

The time course of learned helplessness, inactivity, and nociceptive deficits in rats

1979 • 48 citations

Antinociception following lesion-induced hyperemotionality and conditioned fear

1977 • 43 citations

A preliminary description of acute physical dependence on morphine in the vervet monkey

1983 • 43 citations

The benzodiazepine inverse agonist DMCM as an unconditional stimulus for fear-induced analgesia: Implications for the role of GABAA receptors in fear-related behavior.

1992 • 41 citations

Predictability and controllability: Differential effects upon contextual fear

1987 • 37 citations

Conditioned fear and neophobia following inescapable shock

1990 • 37 citations

Morphine analgesia: Enhancement by shock-associated cues.

1984 • 37 citations

Aversive conditioning in the rat: Effects of a benzodiazepine and of an opioid agonist and antagonist on conditioned hypoalgesia and fear.

1991 • 35 citations

Exposure to uncontrollable stress alters withdrawal from morphine.

1984 • 30 citations

Opioid and nonopioid conditional analgesia: The role of spinal opioid, noradrenergic, and serotonergic systems.

1991 • 30 citations

Reinitiation of sensitivity to naloxone by a single narcotic injection in postaddicted mice.

1976 • 28 citations

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

1989 • 28 citations

Opioid and nonopioid conditional analgesia: The role of spinal opioid, noradrenergic, and serotonergic systems.

1991 • 27 citations

Exposure to uncontrollable stress alters withdrawal from morphine.

1984 • 25 citations

Blocking naloxone-precipitated withdrawal in rats and hamsters

1992 • 24 citations

Reexamination of contextual conditioning with massed versus distributed unconditioned stimuli.

1991 • 20 citations

Acute morphine dependence in the hamster

1991 • 17 citations

Modulation of hypoalgesia by morphine and number of shock trials: Covariation of a measure of context fear and hypoalgesia

1994 • 17 citations

Reexamination of contextual conditioning with massed versus distributed unconditioned stimuli.

1991 • 12 citations

Learned helplessness inducing foot shock can exacerbate morphine responsiveness

1993 • 10 citations

Conditioned withdrawal in environments associated with the presence or absence of morphine

1992 • 7 citations

The effect of feedback stimulus duration upon contextual fear and conditioned inhibition

1988 • 6 citations

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