THE EFFECTS OF BILATERAL ELECTRICAL LESIONS OF VENTRAL TEGMENTAL AREA, SHELL OF NUCLEUS
ACCUMBENS, CENTRAL AND BASOLATERAL NUCLEI OF AMYGDALE AND MEDIAL PREFRONTAL CORTEX ON THE
ACQUISITION OF MORPHINE- INDUCED PLACE PREFERENCE

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TAHSILY FAHDAN P.; YAHYAVI FIROUZ ABADI N.; KHOSHNOUDI M.A.; MOTIEI LANGROUDI R.; DEHPOUR A.R.

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Journal Paper

Paper Information

Journal: Tehran University Medical Journal Year:2005 | Volume:63 | Issue:7 Page(s): 551-558

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Title

THE EFFECTS OF BILATERAL ELECTRICAL LESIONS OF VENTRAL TEGMENTAL AREA, SHELL OF NUCLEUS ACCUMBENS, CENTRAL AND BASOLATERAL NUCLEI OF AMYGDALE AND MEDIAL PREFRONTAL CORTEX ON THE ACQUISITION OF MORPHINE- INDUCED PLACE PREFERENCE

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Keywords

BASOLATERAL NUCLEIQ4

NUCLEUS ACCUMBENSQ4

TEGMENTAL AREAQ3

MORPHINEQ3

Abstract

Background: In the present study, the effects of bilateral electrical lesions of ventral TEGMENTAL AREA, shell of NUCLEUS ACCUMBENS, central and BASOLATERAL NUCLEI of amygdale and medial prefrontal cortex on the acquisition of morephine- induced place preference has been investigated. Materials and Methods: For this purpose, rats weighting 200-250g were used. 7 days after surgical operation and producing lesion by passing electrical current into each site, conditioned place preference made by MORPHINE sulphate (0.5-7.5 mg/kg, S.C.) was applied in a biased paradigm. Results: Subcutaneous administration of MORPHINE (1-7.5 mg/kg) induced conditioned place preference in a dise-dependant manner by increasing the time spent during the test in MORPHINE- paired compartment. The results show that bilateral electrical lesions of ventral TEGMENTAL AREA, shell of NUCLEUS ACCUMBENS and central llucleus of amygdale reduce significantly MORPHINE induced place preference in comparison to their controls. Nevertheless, lesions ofbasolateral nucleus of amygdale and prelimbic area of medial prefrontal cortex did not alter MORPHINE effects in producing place preference. Conclusions: Understanding the mechanisms underlying the role of medial prefrontal cortex and its parts, also basolateral nucleus of amydala, in perceiving positive reinforcement properties of drug and non- drug treatments warrants further investigations.

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APA: Copy

TAHSILY FAHDAN, P., YAHYAVI FIROUZ ABADI, N., KHOSHNOUDI, M.A., MOTIEI LANGROUDI, R., & DEHPOUR, A.R.. (2005). THE EFFECTS OF BILATERAL ELECTRICAL LESIONS OF VENTRAL TEGMENTAL AREA, SHELL OF NUCLEUS ACCUMBENS, CENTRAL AND BASOLATERAL NUCLEI OF AMYGDALE AND MEDIAL PREFRONTAL CORTEX ON THE ACQUISITION OF MORPHINE- INDUCED PLACE PREFERENCE. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), 63(7), 551-558. SID. https://sid.ir/paper/39211/en

Vancouver: Copy

TAHSILY FAHDAN P., YAHYAVI FIROUZ ABADI N., KHOSHNOUDI M.A., MOTIEI LANGROUDI R., DEHPOUR A.R.. THE EFFECTS OF BILATERAL ELECTRICAL LESIONS OF VENTRAL TEGMENTAL AREA, SHELL OF NUCLEUS ACCUMBENS, CENTRAL AND BASOLATERAL NUCLEI OF AMYGDALE AND MEDIAL PREFRONTAL CORTEX ON THE ACQUISITION OF MORPHINE- INDUCED PLACE PREFERENCE. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)[Internet]. 2005;63(7):551-558. Available from: https://sid.ir/paper/39211/en

IEEE: Copy

P. TAHSILY FAHDAN, N. YAHYAVI FIROUZ ABADI, M.A. KHOSHNOUDI, R. MOTIEI LANGROUDI, and A.R. DEHPOUR, “THE EFFECTS OF BILATERAL ELECTRICAL LESIONS OF VENTRAL TEGMENTAL AREA, SHELL OF NUCLEUS ACCUMBENS, CENTRAL AND BASOLATERAL NUCLEI OF AMYGDALE AND MEDIAL PREFRONTAL CORTEX ON THE ACQUISITION OF MORPHINE- INDUCED PLACE PREFERENCE,” TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), vol. 63, no. 7, pp. 551–558, 2005, [Online]. Available: https://sid.ir/paper/39211/en

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