Rodent Stress Models
Rodent Stress Models - Related Videos
07:30
Using Chronic Social Stress to Model Postpartum Depression in Lactating Rodents
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Cited by 37 •
2013
This article describes the use of chronic resident intruder social stress as an ethologically relevant paradigm to model postpartum depression and anxiety in lactating rodents.
08:14
Modeling Social Stress
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2023
Stress negatively affects our quality of life. In particular, some individuals experience social stress when placed in a social environment that they are unfamiliar with or have difficulty adjusting to. Since it is hard to examine mechanisms of social stress in humans, modeling this condition in animals may help scientist in developing new therapies for treating this commonly encountered problem. This science education video begins by discussing the known anatomy and physiology behind stress...
10:17
An Introduction to Modeling Behavioral Disorders and Stress
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2023
Recently, it has been discovered that behavioral conditions such as, depression, anxiety and stress-response have a neurological basis. Understanding the biological underpinnings of these conditions may help scientists in developing more effective therapies to treat these disorders. Typically, rodent models are used in this field and behavioral scientists create these models using interventions like drug administration or surgery. It is important to understand how to create and evaluate rodent...
04:20
Social Isolation Model: A Noninvasive Rodent Model of Stress and Anxiety
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Cited by 10 •
2022
Presented here is a social isolation (SI)-induced anxiety mouse model that utilizes wild type C56BL/6J mice to induce stress and anxiety-like behavior with minimal handling and no invasive procedures. This model reflects modern life patterns of social isolation and is ideal for studying anxiety and related disorders.
05:49
Stress-Enhanced Fear Learning, a Robust Rodent Model of Post-Traumatic Stress Disorder
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Cited by 44 •
2018
Here we describe the detailed methodology required to conduct stress-enhanced fear learning (SEFL) experiments, a preclinical model of post-traumatic stress disorder, in both rats and mice. The model utilizes aspects of Pavlovian fear conditioning and freezing as an index of enhanced fear in rodents.
FAQs
The hypothalamic-pituitary-adrenal (HPA) axis provides a central biological pathway in these experiments. Stressor exposure activates this system, increasing glucocorticoid signaling; that signaling can then influence neural circuits involved in emotion, cognition, and motivation. Measuring these linked changes helps connect a controlled stress experience with brain and behavioral consequences.
Restraint, social defeat, and unpredictable mild stress represent different experimental stressor designs rather than interchangeable procedures. They can be used to model controlled aspects of acute or chronic stress, allowing investigators to ask whether outcomes depend on the type or pattern of exposure. The chosen paradigm therefore shapes how findings are interpreted.
Each readout captures a different level of the stress response. Behavioral measures show changes relevant to emotion, cognition, or motivation, endocrine measures indicate physiological stress-system activity, and neural measures reveal circuit effects. Considering them together helps researchers evaluate mechanisms instead of relying on a single indicator and supports assessment of potential treatments.
An experiment begins by selecting mice or rats and choosing a stress paradigm that represents the intended acute or chronic condition. Researchers then apply the procedure in a controlled manner and collect behavioral, endocrine, or neural measurements. Comparing these outcomes with the research question allows the model to test stress-related brain and behavior changes.
These models are useful when the goal is to connect stress-related behavior with physiological and neural changes. Because the paradigms engage stress systems in mice or rats, investigators can examine glucocorticoid signaling alongside affected circuits and behaviors. This integrated approach is relevant to neuroscience studies of depression, anxiety, and post-traumatic stress.
Potential treatments can be assessed by examining whether they alter the behavioral, endocrine, or neural changes associated with the selected stress paradigm. Improvement in one measure alone may not explain the underlying mechanism, whereas converging changes across readouts can provide broader evidence about treatment effects. The models therefore support both mechanistic and treatment-oriented research.