Cited by 61Neurotransmitter Receptor Influence on BehaviorStress Responses and CortisolNeural and Behavioral Psychology Studies

Effects of the chronic restraint stress induced depression on reward-related learning in rats.

Xu, Pan, Wang, Kezhu, Lu, Cong, Dong, Liming, Chen, Yixi, Wang, Qiong, Shi, Zhe, Yang, Yanyan +2 more·2017·Behavioural Brain Research

Abstract

Chronic mild or unpredictability stress produces a persistent depressive-like state. The main symptoms of depression include weight loss, despair, anhedonia, diminished motivation and mild cognition impairment, which could influence the ability of reward-related learning. In the present study, we aimed to evaluate the effects of chronic restraint stress on the performance of reward-related learning of rats. We used the exposure of repeated restraint stress (6h/day, for 28days) to induce depression-like behavior in rats. Then designed tasks including Pavlovian conditioning (magazine head entries), acquisition and maintenance of instrumental conditioning (lever pressing) and goal directed learning (higher fixed ratio schedule of reinforcement) to study the effects of chronic restraint stress. The results indicated that chronic restraint stress influenced rats in those aspects including the acquisition of a Pavlovian stimulus-outcome (S-O) association, the formation and maintenance of action-outcome (A-O) causal relation and the ability of learning in higher fixed ratio schedule. In conclusion, depression could influence the performances in reward-related learning obviously and the series of instrumental learning tasks may have potential as a method to evaluate cognitive changes in depression.

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Crossref · 10.1016/j.bbr.2016.12.045

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Authors
Xu, P., Wang, K., Lu, C., Dong, L., Chen, Y., Wang, Q., Shi, Z., Yang, Y., Chen, S., & Liu, X.
Affiliations
  • Chinese Academy of Medical Sciences & Peking Union Medical College (CN)
  • Southwest Medical University (CN)
  • China Astronaut Research and Training Center (CN)
Corresponding author
Liu, Xinmin
Venue
Behavioural Brain Research
Publisher
Elsevier BV
Published
2017-03
Volume
321
Pages
185-192
ISSN
0166-4328 (ISSN-L)
OpenAlex
W2570582456
Cited by
61
References
28
Citations by year
2026: 3 · 2025: 8 · 2024: 4 · 2023: 8 · 2022: 7 · 2021: 11 · 2020: 3 · 2019: 10 · 2018: 4 · 2017: 1
FWCI
2.41
Type
journal article
Language
en
Open access
closed
Locations
  • Behavioural Brain Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • State Key Development Program of Basic Research of China (2011CB711005)
  • Ministry of Science and Technology of China (2012ZX09J12201)
  • Youth Training program of General armament department (2015ZZQP020)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
chronic restraint stress, depression, reward learning, classical conditioning, operant conditioning, goal-directed learning, fixed-ratio schedules, anhedonia, motivation, cognitive impairment in depression, animal models of depression
MeSH terms
Animals, Chronic Disease, Conditioning, Classical, Conditioning, Operant, Depressive Disorder, Disease Models, Animal, Habituation, Psychophysiologic, Learning Disabilities, Male, Motor Activity, Random Allocation, Restraint, Physical, Reward, Stress, Psychological, Rats, Wistar

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