Effects of post-trial injection of β-endorphin on shock-induced fighting are dependent on baseline of fighting

A. Tazi; R. Dantzer; P. Mormede; M. Le Moal

doi:10.1016/S0163-1047(85)91684-X

Effects of post-trial injection of β-endorphin on shock-induced fighting are dependent on baseline of fighting

A. Tazi, R. Dantzer, P. Mormede, M. Le Moal

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The effects of repeated post-trial administration of 10 μg/kg β-endorphin on the development of mutual fighting in pairs of rats submitted to various intensities of electric shock were investigated. β-Endorphin blocked the development of fighting responses when a low footshock intensity was used, but facilitated it when a high shock intensity was delivered. A detailed analysis of the relationship between shock intensity, baseline of fighting, and effects of β-endorphin showed that the effects of β-endorphin were dependent on the behavioral baseline rather than on shock intensity per se.

Original language	English (US)
Pages (from-to)	322-326
Number of pages	5
Journal	Behavioral and Neural Biology
Volume	43
Issue number	3
DOIs	https://doi.org/10.1016/S0163-1047(85)91684-X
State	Published - May 1985
Externally published	Yes

ASJC Scopus subject areas

Physiology

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10.1016/S0163-1047(85)91684-X

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abstract = "The effects of repeated post-trial administration of 10 μg/kg β-endorphin on the development of mutual fighting in pairs of rats submitted to various intensities of electric shock were investigated. β-Endorphin blocked the development of fighting responses when a low footshock intensity was used, but facilitated it when a high shock intensity was delivered. A detailed analysis of the relationship between shock intensity, baseline of fighting, and effects of β-endorphin showed that the effects of β-endorphin were dependent on the behavioral baseline rather than on shock intensity per se.",

author = "A. Tazi and R. Dantzer and P. Mormede and {Le Moal}, M.",

year = "1985",

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AU - Tazi, A.

AU - Dantzer, R.

AU - Mormede, P.

AU - Le Moal, M.

PY - 1985/5

Y1 - 1985/5

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AB - The effects of repeated post-trial administration of 10 μg/kg β-endorphin on the development of mutual fighting in pairs of rats submitted to various intensities of electric shock were investigated. β-Endorphin blocked the development of fighting responses when a low footshock intensity was used, but facilitated it when a high shock intensity was delivered. A detailed analysis of the relationship between shock intensity, baseline of fighting, and effects of β-endorphin showed that the effects of β-endorphin were dependent on the behavioral baseline rather than on shock intensity per se.

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IS - 3

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Effects of post-trial injection of β-endorphin on shock-induced fighting are dependent on baseline of fighting

Abstract

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