Cited by 469Treatment of Major DepressionStress Responses and CortisolNeurotransmitter Receptor Influence on Behavior

A trans-dimensional approach to the behavioral aspects of depression

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Bessa, João M.·2009·Frontiers in Behavioral Neuroscience

Abstract

Depression, a complex mood disorder, displays high comorbidity with anxiety and cognitive disorders. To establish the extent of inter-dependence between these behavioral domains, we here undertook a systematic analysis to establish interactions between mood [assessed with the forced-swimming (FST) and sucrose consumption tests (SCT)], anxiety [elevated-plus maze (EPM) and novelty suppressed feeding (NSF) tests] and cognition (spatial memory and behavioral flexibility tests) in rats exposed to unpredictable chronic-mild-stress (uCMS). Expectedly, uCMS induced depressive-like behavior, a hyperanxious phenotype and cognitive impairment; with the exception of the measure of anxiety in the EPM, these effects were attenuated by antidepressants (imipramine, fluoxetine). Measures of mood by the FST and SCT were strongly correlated, whereas no significant correlations were found between the different measures of anxiety (EPM and NSF); likewise, measures of cognition by spatial memory and behavioral flexibility tests were poorly correlated. Inter-domain analysis revealed significant correlations between mood (FST and SCT) and anxiety-like behavior (NSF, but not EPM). Furthermore, significant correlations were found between cognitive performance (reverse learning task) and mood (FST and SCT) and anxiety-like behavior (NSF). These results demonstrate interactions between different behavioral domains that crosscut the disciplines of psychiatry and neurology.

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Crossref · 10.3389/neuro.08.001.2009

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  • Neuroplastic processes and their disturbances have behavioral repercussions in cognitive and emotional dimensions in both physiological and pathological conditions including schizophrenia and depressive disorders.

    “Neuroplastic processes, and particularly its disturbances, have behavioral repercussions in cognitive and emotional dimensions in both physiological15 and pathological conditions including schizophrenia16 and depressive disorders.17, 18, 19”

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Authors
Bessa, J. M.
Affiliations
University of Minho (PT)
Corresponding author
Bessa, João M.
Venue
Frontiers in Behavioral Neuroscience
Published
2009
Volume
3
Pages
1-1
ISSN
1662-5153 (ISSN-L)
OpenAlex
W2140338624
Cited by
469
References
44
Citations by year
2026: 4 · 2025: 9 · 2024: 7 · 2023: 4 · 2022: 10 · 2021: 25 · 2020: 30 · 2019: 20 · 2018: 26 · 2017: 36 · 2016: 32 · 2015: 41 · 2014: 48 · 2013: 41 · 2012: 48
FWCI
32.23
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Behavioral Neuroscience (publishedVersion, cc-by)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (submittedVersion, other-oa)
  • Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (submittedVersion, cc-by-nc-nd)
Funders
  • European Commission (LSHM-CT-2005-018652)
  • Fundação para a Ciência e a Tecnologia (PTDC/SAU-NEU/72699/2006)
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
depression, anxiety, cognitive impairment, chronic unpredictable mild stress, domain-domain interactions, mood, novelty-suppressed feeding, elevated plus maze, forced swim test, sucrose intake, spatial memory, behavioral flexibility, antidepressants, imipramine, fluoxetine, rat model

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