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Study of a new schizophrenomimetic drug; sernyl.

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TLDR
The production of model psychoses has been employed as a technique for testing hypotheses relevant to the causes, correlates, and treatment of schizophrenia since 1921, when De Jong demonstrated experimental catatonia by giving bulbocapnine to animals.
Abstract
Introduction The production of model psychoses has been employed as a technique for testing hypotheses relevant to the causes, correlates, and treatment of schizophrenia since 1921, when De Jong demonstrated experimental catatonia by giving bulbocapnine to animals.5This method of study has received considerable impetus with the discovery of the hallucinogenic properties of lysergic acid diethylamide (LSD-25)22and other psychotomimetic agents. Objections have since been raised to the drawing of premature analogies between the psychotic-like states produced by drugs and the psychopathology of schizophrenia. Ebaugh has pointed out that "the difference between these pseudopsychoses and schizophrenia is so striking that such experimentation seems to have only tenuous relevance to the problem of schizophrenia."7On the other hand, Wikler has asserted that "from the standpoint of the development of dynamic (causal) concepts about human behavior, it matters little whether or not model psychoses resemble schizophrenia. Drugs which modify

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Subanesthetic effects of the noncompetitive NMDA antagonist, ketamine, in humans: Psychotomimetic, perceptual, cognitive, and neuroendocrine responses.

TL;DR: These data indicate that N-methyl-D-aspartate antagonists produce a broad range of symptoms, behaviors, and cognitive deficits that resemble aspects of endogenous psychoses, particularly schizophrenia and dissociative states.
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Glutamate Receptor Ion Channels: Structure, Regulation, and Function

TL;DR: This review discusses International Union of Basic and Clinical Pharmacology glutamate receptor nomenclature, structure, assembly, accessory subunits, interacting proteins, gene expression and translation, post-translational modifications, agonist and antagonist pharmacology, allosteric modulation, mechanisms of gating and permeation, roles in normal physiological function, as well as the potential therapeutic use of pharmacological agents acting at glutamate receptors.
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Recent advances in the phencyclidine model of schizophrenia.

TL;DR: It was found that PCP-induced psychotomimetic effects are associated with submicromolar serum concentrations of PCP and the findings suggest that endogenous dysfunction of NMDA receptor-mediated neurotransmission might contribute to the pathogenesis of schizophrenia.
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Clinical experience and laboratory investigations in patients with anti-NMDAR encephalitis

TL;DR: Patients' antibodies cause a titre-dependent, reversible decrease of synaptic NMDAR by a mechanism of crosslinking and internalisation, which reveals a probable pathogenic relation between the depletion of receptors and the clinical features of anti-NMDAR encephalitis.
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Phasic versus tonic dopamine release and the modulation of dopamine system responsivity: a hypothesis for the etiology of schizophrenia

TL;DR: In this paper, a novel mechanism for regulating dopamine activity in subcortical sites and its possible relevance to schizophrenia is proposed, which is based on the regulation of dopamine release into sub cortical regions occurring via two independent mechanisms: (1) transient or phasic dopamine release caused by dopamine neuron firing, and (2) sustained, "background" tonic release regulated by prefrontal cortical afferents.
References
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Journal Article

The pharmacology of 1-(1-phenylcyclohexyl) piperidine-hcl

TL;DR: PCP is very effective in abolishing the electrically-or pentylenetetrazol-induced tonic-extensor seizures in mice, is slightly effective in suppressing caffeine-induced seizures but ineffective against those induced by strychnine.
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