Cited by 120Stress Responses and CortisolChild Abuse and TraumaChild and Adolescent Psychosocial and Emotional Development

Repeated exposure to stress across the childhood-adolescent period alters rats' anxiety-and depression-like behaviors in adulthood: The importance of stressor type and gender

Pohl, Joanna, Olmstead, Mary C., Wynne-Edwards, Katherine E., Harkness, Kate, Menard, Janet L.·2007·Behavioral Neuroscience

Abstract

This research tests the hypothesis that specific forms of adversity in early life map onto behavioral signs analogous to depression versus anxiety in later life. Male and female rats were exposed to either severe sporadic stress or chronic mild stress during the childhood-adolescent period, and their behavior was tested in adulthood. Males in the severe sporadic stress group showed exaggerated anxiety-related behaviors, as indicated by increases in shock-probe burying and escape-like responses (jumps) from the open arms of the elevated plus-maze. Females exposed to severe sporadic stress displayed no change in burying behavior but did display increases in escape behavior. These same females also exhibited behaviors analogous to depression that manifested as decreased sucrose consumption. The chronic mild stress regime produced effects only in females, including reduced burying, decreased sucrose consumption, and an exaggerated corticosterone response to cold-water immersion stress. Findings reiterate the importance of early life experience to the development of adult psychopathologies and emphasize the need to consider both the type of early experience and gender differences in these analyses.

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Crossref · 10.1037/0735-7044.121.3.462

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  • Adolescent female rats given variable stressors later consume less sucrose, whereas males do not.

    “there is some indication that female rats exposed to variable stressors in adolescence (restraint, social defeat) demonstrate subsequent deficits in sucrose consumption (Bourke and Neigh, 2011; Pohl et al., 2007) while male animals do not (Bourke and Neigh, 2011; Novick et al., 2013; Pohl et al., 2007; Toth et al., 2008).”

    From The effects of early life stress on reward processing (2018) · cites this paper as Pohl et al., 2007

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Authors
Pohl, J., Olmstead, M. C., Wynne-Edwards, K. E., Harkness, K., & Menard, J. L.
Affiliations
Queen's University (CA)
Venue
Behavioral Neuroscience
Published
2007-06
Volume
121
Issue
3
Pages
462-474
ISSN
  • 0735-7044 (ISSN-L)
  • 1939-0084
OpenAlex
W2153795414
Cited by
120
References
4
Citations by year
2026: 2 · 2025: 1 · 2024: 2 · 2023: 3 · 2022: 5 · 2021: 4 · 2020: 4 · 2019: 6 · 2018: 5 · 2017: 12 · 2016: 4 · 2015: 6 · 2014: 15 · 2013: 9 · 2012: 8
FWCI
3.31
Type
journal article
Language
en
Open access
closed
Locations
  • Behavioral Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Queen's University
  • Natural Sciences and Engineering Research Council
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Social Sciences › Psychology › Clinical Psychology › Child Abuse and Trauma
  • Social Sciences › Psychology › Clinical Psychology › Child and Adolescent Psychosocial and Emotional Development
Keywords
early life stress, anxiety-like behavior, depression-like behavior, chronic mild stress, sex differences, sucrose intake, burying behavior, elevated plus maze, rats
MeSH terms
Age Factors, Analysis of Variance, Animals, Animals, Newborn, Anxiety, Behavior, Animal, Body Weight, Corticosterone, Defense Mechanisms, Depression, Exploratory Behavior, Female, Food Preferences, Male, Radioimmunoassay, Sex Characteristics, Stress, Physiological, Maze Learning, Rats, Long-Evans, Rats

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