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40
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Text
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Pages
760–766
Issue
2
Volume
12
Dublin Core
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Title
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Oxytocin induces preservation of social recognition in male rats by activating alpha-adrenoceptors of the olfactory bulb.
Publisher
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The European journal of neuroscience
Date
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2000
2000-02
Subject
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Male; Animals; *Social Behavior; Rats; Adrenergic beta-Antagonists/pharmacology; Adrenergic beta-Agonists/pharmacology; Microdialysis; Adrenergic alpha-Antagonists/pharmacology; Phentolamine/pharmacology; Isoproterenol/pharmacology; Clonidine/pharmacology; Norepinephrine/pharmacology; Social Dominance; Adrenergic alpha-Agonists/pharmacology; Memory/*drug effects/physiology; Olfactory Bulb/*drug effects/physiology; Oxytocin/*pharmacology; Timolol/pharmacology; Receptors; Adrenergic; Wistar; alpha/*drug effects/physiology; Oxytocin/drug effects/*physiology
Creator
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Dluzen D E; Muraoka S; Engelmann M; Ebner K; Landgraf R
Description
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In this report, a series of four experiments was performed to evaluate the relationship between the olfactory bulb norepinephrine system and intra-olfactory bulb infusion of oxytocin in the preservation of social memory responses. The present data indicate that oxytocin exerts this preservation of social recognition through a specific, receptor-mediated mechanism within the olfactory bulb (experiment 1). The involvement of the olfactory bulb norepinephrine system is revealed by the demonstration that retrodialysis of oxytocin into the olfactory bulb increases norepinephrine release (experiment 4). Our data suggest that the increased output of olfactory bulb norepinephrine resulting from oxytocin appears to activate alpha-adrenoceptors to produce this preservation in recognition because infusions of clonidine into the olfactory bulb preserve recognition responses in a manner similar to that observed with oxytocin (experiment 2). In addition, a co-infusion of oxytocin with phentolamine abolishes recognition responses (experiment 3). Accordingly, this model affords the opportunity to study neuropeptide-catecholamine interactions, link these interactions with a specific behavioural outcome and identify a novel function/site of action for oxytocin in the male.
Rights
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Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
*Social Behavior
2000
Adrenergic
Adrenergic alpha-Agonists/pharmacology
Adrenergic alpha-Antagonists/pharmacology
Adrenergic beta-Agonists/pharmacology
Adrenergic beta-Antagonists/pharmacology
alpha/*drug effects/physiology
Animals
Clonidine/pharmacology
Dluzen D E
Ebner K
Engelmann M
Isoproterenol/pharmacology
Landgraf R
Male
Memory/*drug effects/physiology
Microdialysis
Muraoka S
Norepinephrine/pharmacology
Olfactory Bulb/*drug effects/physiology
Oxytocin/*pharmacology
Oxytocin/drug effects/*physiology
Phentolamine/pharmacology
Rats
Receptors
Social Dominance
The European journal of neuroscience
Timolol/pharmacology
Wistar