Pharmacology of Hallucinations: Several Mechanisms for One Single Symptom?

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چکیده

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Pharmacology of Hallucinations: Several Mechanisms for One Single Symptom?

Hallucinations are complex misperceptions, that principally occur in schizophrenia or after intoxication induced by three main classes of drugs: psychostimulants, psychedelics, and dissociative anesthetics. There are at least three different pharmacological ways to induce hallucinations: (1) activation of dopamine D2 receptors (D2Rs) with psychostimulants, (2) activation of serotonin 5HT2A rece...

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The theories that have been evolved for an understanding of hallucinatory phenomena have frequently stressed one set of factors to the exclusion of others. They have stressed either psychological or physiological factors, "peripheral" or "central" factors, sensory or motor factors, cortical or subcortical mechanisms. In recent years, however, it has been generally recognized that all these fact...

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The author is the distinguished Sewell L. Avery Professor Emeritus of Biological Sciences at the University of Chicago, and is well known as one of the world's outstanding behavioral neurophysiologists especially with regard to primates. This booklet testifies to his firm grasp of human psychophysiology. His scholarly considerations of hallucinatory mechanisms span more than four decades and pa...

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Humans have used arguments for defending or refuting statements long before the creation of logic as a specialized discipline. This can be interpreted as the fact that an intuitive notion of “logical consequence” or a psychic disposition to articulate reasoning according to this pattern is present in common sense, and logic simply aims at describing and codifying the features of this spontaneou...

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ژورنال

عنوان ژورنال: BioMed Research International

سال: 2014

ISSN: 2314-6133,2314-6141

DOI: 10.1155/2014/307106