Cited by 78Memory and Neural MechanismsAnxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesNeurotransmitter Receptor Influence on Behavior

Noninteractive effects of diazepam and amygdaloid lesions in two animal models of anxiety.

Treit, Dallas, Pesold, Christine, Rotzinger, Susan·1993·Behavioral Neuroscience

Abstract

The role of the amygdala in mediating the anxiolytic effects of diazepam was examined in two models of rat anxiety. As in our previous experiments, amygdaloid lesions by themselves did not increase rats' exploration of the open arms of the elevated plus-maze or decrease rats' burying of an electrified probe in the shock-probe burying test. However, amygdaloid lesions did increase rats' shock-probe contacts. Diazepam (2 mg/kg) increased open-arm activity and decreased burying behavior to an equal extent in sham-lesioned and amygdala-lesioned rats and had no significant effect on the facilitation of probe contacts induced by amygdaloid lesions. These results suggest that many of the anxiolytic effects of benzodiazepines are not mediated by the amygdala.

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Crossref · 10.1037/0735-7044.107.6.1099

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35 of 35 references verified0 citation errors · 0 not checkable

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  • Benzodiazepines reduce burying of shock-associated objects.

    “to reduce burying of shock-associated objects (Kopchia et al, 1992; Treit et al, 1993b).”
  • In several cases, lesions of the central amygdala did not block the anxiolytic effects of benzodiazepines, although central amygdala lesions tended to have anxiolytic effects on their own.

    “in several cases, lesions of the CeA did not block these anxiolytic effects of benzodiazepines, although the CeA lesions tended to have anxiolytic effects on their own (Kopchia et al, 1992; Yadin et al, 1991; Treit et al, 1993b).”

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Authors
Treit, D., Pesold, C., & Rotzinger, S.
Affiliations
University of Alberta (CA)
Venue
Behavioral Neuroscience
Published
1993
Volume
107
Issue
6
Pages
1099-1105
ISSN
  • 0735-7044 (ISSN-L)
  • 1939-0084
OpenAlex
W2054109249
Cited by
78
References
35
Citations by year
2024: 22 · 2021: 1 · 2015: 1 · 2014: 1
FWCI
0.81
Type
journal article
Language
en
Open access
closed
Locations
  • Behavioral Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
diazepam, amygdala, anxiolytic effects, benzodiazepines, anxiety models, elevated plus maze, open arm exploration, rats
MeSH terms
Amygdala, Animals, Anxiety, Arousal, Avoidance Learning, Brain Mapping, Diazepam, Discrimination Learning, Exploratory Behavior, Male, Motor Activity, Orientation, Social Environment, Rats, Sprague-Dawley, Rats

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