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1.
Rev. chil. neuro-psiquiatr ; 34(1): 91-4, ene.-mar. 1996.
Article in Spanish | LILACS | ID: lil-174820

ABSTRACT

La fenciclidina (PCP) produce psicosis muy similares a la esquizofrenia. Mientras las psicosis inducidas por anfetamina presentan sólo síntomas positivos como delirio y alucinaciones, las psicosis inducidas por PCP presentan tanto síntomas positivos como negativos (aplanamiento afectivo, retardo psicomotor, empobrecimiento del discurso). De este modo las psicosis anfetamínicas se ajustan a un modelo schneideriano y las psicosis por PCP a un modelo bleuleriano de esquizofrenia. La PCP se une selectivamente a un sitio de unión específico, el receptor a aminoácidos excitatorios N-metil-D-aspaertato (NMDA). Estos hallazgos sugieren que una disfunción de la neurotransmisión mediada por el receptor NMDA puede contribuir a la etiopatogenia de la esquizofrenia


Subject(s)
Humans , Phencyclidine/pharmacokinetics , Schizophrenia/chemically induced , Amphetamine/adverse effects , Phencyclidine Abuse/physiopathology , Phencyclidine/adverse effects , Psychoses, Substance-Induced/physiopathology , Psychotic Disorders/physiopathology
2.
Hamdard Medicus. 1996; 39 (4): 52-62
in English | IMEMR | ID: emr-41103

ABSTRACT

Narcotics have been a matter of great concern and pose increasing threats and dangers to humanity. The lack of awareness and knowledge about the abused drugs has further aggravated the situation. Various aspects of the addictive chemicals have been studied and the introductory notes on the major abused drugs, amphetamine 1, methamphetamine 2, 2, 5-dimethoxy-4-methylamphetamine 3, mescaline 4, cocaine 5, morphine 6, heroin 7, codeine 8, diazepam 9, pencyclidine 10, 1-piperidinocyclohexane cardonitrile 11, methaqualone 12, delta9- tetrahydrocannabinol 13 and methadone 14 have been presented. The pharmacological behaviour of the abused drugs are, as well, being discussed


Subject(s)
Humans , Amphetamines/pharmacology , Mescaline/pharmacology , Cocaine/pharmacology , Morphine/pharmacology , Diazepam/pharmacology , Phencyclidine/pharmacology , Phencyclidine Abuse , Methaqualone/pharmacology , Dronabinol/pharmacology
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