Related Experiment Video
Updated: Aug 9, 2026
10:28
Assessment of Cocaine-induced Behavioral Sensitization and Conditioned Place Preference in Mice
Published on: February 18, 2016
[The method of conditioned place preference in pharmaco-dependence research]
1Universitatea de Medicină si Farmacie Gr.T. Popa Iaşi, Facultatea de Medicină Dentară, Disciplina de Farmacologie.
Summary
Misoprostol alleviates morphine-induced drug dependence and conditioned place preference in animal models. This finding supports misoprostol
Area of Science:
- Neuroscience
- Pharmacology
- Behavioral Science
Background:
- Conditioned place preference (CPP) is a key animal model for assessing drug dependence.
- Evaluating the motivational properties of substances is crucial for understanding addiction.
Purpose of the Study:
- To evaluate the efficacy of misoprostol in alleviating morphine-induced experimental drug dependence.
- To assess the impact of misoprostol on morphine-induced CPP.
Main Methods:
- Utilized the conditioned place preference (CPP) paradigm in animal studies.
- Administered misoprostol, a stable prostaglandin E1 (PGE1) analogue, in conjunction with morphine.
- Quantified the response by measuring time spent in the conditioned compartment.
Main Results:
- Demonstrated a significant agreement between misoprostol's effect on morphine-induced drug dependence and CPP.
- Misoprostol effectively alleviated the motivational effects associated with morphine.
Conclusions:
- Misoprostol shows promise in mitigating morphine-induced drug dependence and associated behavioral responses.
- The findings support the therapeutic potential of misoprostol in managing opioid dependence.
Related Concept Videos
01:17Classical Conditioning in Daily Life
Classical conditioning, a fundamental principle of associative learning, explains various phenomena observed in daily life, such as fear development, the placebo effect, taste aversion, and drug habituation. These applications demonstrate the profound impact of associative learning on human behavior and physiological responses.
John B. Watson and Rosalie Rayner famously demonstrated the development of fear through classical conditioning in their experiment with Little Albert. They paired the...
John B. Watson and Rosalie Rayner famously demonstrated the development of fear through classical conditioning in their experiment with Little Albert. They paired the...
01:17Drug Dependence
Medications are typically administered to achieve therapeutic effects. Some drugs can modify an individual's mood and perception, frequently resulting in various enjoyable experiences. However, this can result in drug dependency, a condition marked by continuous drug use despite potential negative consequences. Drug dependency primarily falls into two categories: psychological and physical dependence. Psychological dependence occurs when the pleasurable feelings induced by the drug...
01:15Drug Abuse and Addiction: Pharmacological Phenomena
Drug dependence, abuse, and addiction are complex phenomena that can precipitate various abnormal states. Physical dependence refers to a state of pharmacological adaptation to a drug. This adaptation often results in tolerance—a reduced response to the drug after repeated administrations. When the drug use is abruptly stopped, withdrawal symptoms occur due to the body's need to readjust from the pharmacologically induced imbalance. However, tolerance and withdrawal symptoms do not necessarily...
01:54The Placebo Effect
The placebo effect occurs when people's expectations or beliefs influence or determine their experience in a given situation. In other words, simply expecting something to happen can actually make it happen.
01:15Real-World Application of Classical Conditioning
Classical conditioning not only includes the initial pairing of stimuli but also extends to more complex forms, such as higher-order conditioning. Higher-order conditioning involves creating associations beyond the primary conditioned stimulus, resulting in a chain of conditioned responses.
Higher-order, or second-order, conditioning occurs when a neutral stimulus becomes associated with an already established conditioned stimulus through repeated pairings. For instance, if a dog has been...
Higher-order, or second-order, conditioning occurs when a neutral stimulus becomes associated with an already established conditioned stimulus through repeated pairings. For instance, if a dog has been...
01:20Desensitization and Tachyphylaxis
Tachyphylaxis is described as a rapid decrease in response to a drug after repeated or continuous administration of the same drug dose. It is a phenomenon where the body becomes less responsive to a particular substance or intervention over time, requiring higher doses or stronger interventions to achieve the same effect. It results from adaptive changes in the body's receptors, signaling pathways, or physiological processes that occur in response to prolonged exposure to a stimulus.
Several...
Several...