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Acute Effects of Typical and Atypical Antipsychotic Drugs on the Release of Dopamine from Prefrontal Cortex, Nucleus Accumbens, and Striatum of the Rat: An In Vivo Microdialysis Study

Moghaddam, Bita, Bunney, Benjamin S.·1990·Journal of Neurochemistry

Abstract

Abstract:In vivo microdialysis has been used to study the acute effects of antipsychotic drugs on the extracellular level of dopamine from the nucleus accumbens, striatum, and prefrontal cortex of the rat. (–)‐Sulpiride (20, 50, and 100 mg/kg i.v.) and haloperidol (0.1 and 0.5 mg/kg i.v.) enhanced the outflow of dopamine in the striatum and nucleus accumbens. In the medial prefrontal cortex, (–)‐sulpiride at all doses tested did not significantly affect the extracellular level of dopamine. The effect of haloperidol was also attenuated in the medial prefrontal cortex; 0.1 mg/kg did not increase the outflow of dopamine and the effect of 0.5 mg/kg haloperidol was of shorter duration in the prefrontal cortex than that observed in striatum and nucleus accumbens. The atypical antipsychotic drug clozapine (5 and 10 mg/kg) increased the extracellular concentration of dopamine in all three regions. In contrast to the effects of sulpiride and haloperidol, that of clozapine in the medial prefrontal cortex was profound. These data suggest that different classes of antipsychotic drugs may have distinct effects on the release of dopamine from the nigrostriatal, mesolimbic, and mesocortical terminals.

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Crossref · 10.1111/j.1471-4159.1990.tb01230.x

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Metadata

Authors
Moghaddam, B., & Bunney, B. S.
Venue
Journal of Neurochemistry
Publisher
Wiley
Published
1990-05
Volume
54
Issue
5
Pages
1755-1760
ISSN
  • 0022-3042 (ISSN-L)
  • 1471-4159
OpenAlex
W2068026066
Cited by
402
References
1
FWCI
4.11
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Acute Effects of Typical and Atypical Antipsychotic Drugs on the Release of Dopamine from Prefrontal Cortex, Nucleus Accumbens, and Striatum of the Rat: An In Vivo Microdialysis Study. https://app.cochat.ai/papers/10.1111/j.1471-4159.1990.tb01230.x
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Moghaddam, B., & Bunney, B. S. (1990). Acute Effects of Typical and Atypical Antipsychotic Drugs on the Release of Dopamine from Prefrontal Cortex, Nucleus Accumbens, and Striatum of the Rat: An In Vivo Microdialysis Study. Journal of Neurochemistry. https://doi.org/10.1111/j.1471-4159.1990.tb01230.x

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