Intracranial Reward
Intracranial Reward - Related Videos
09:44
An Introduction to Reward and Addiction
0 Views •
2023
Consequences play a major role in controlling our behavior. If the consequence is a reward, then it encourages the associated behavior. Rewards can come in many forms such as a pleasant feeling, money, or food. However, sometimes an individual engages in compulsive behavior despite of negative consequences, and this state is known as addiction. Administration of addictive substances is neurochemically rewarding, which ultimately causes a loss of control in limiting the intake. Scientists aim...
12:09
Studying Food Reward and Motivation in Humans
0 Views •
Cited by 9 •
2014
This article describes a set of methods for the measurement of food related motivation and food related goal values in humans.
06:57
A Simple Way to Measure Alterations in Reward-seeking Behavior Using Drosophila melanogaster
0 Views •
Cited by 11 •
2016
We describe a protocol for inducing rewarding and nonrewarding experiences in fruit flies (Drosophila melanogaster) using voluntary ethanol consumption as a measure for changes in reward states.
01:55
Intracranial Injection of Gut-Derived Microbial Metabolites in a Mouse Model
0 Views •
2025
Source: Liou, C. et al. Intracerebroventricular Delivery of Gut-Derived Microbial Metabolites in Freely Moving Mice. J. Vis. Exp. (2022).This video demonstrates the intracranial injection of short-chain fatty acids (SCFAs) in a freely moving mouse to study their effects on brain-mediated behavior. An injector cannula is inserted into a guide cannula implanted in the mouse brain. After recovery, the mouse acclimates in a novel cage. SCFAs are then administered, and locomotor behavior is recorded.
06:05
Anticipatory Food-Reward Elicitation of Appetitive Ultrasonic Vocalizations in Laboratory Rats and Mice
0 Views •
2026
Laboratory rat and mouse ultrasonic vocalizations (USVs) are useful for studying vocal and neural function. This protocol describes a food-reward paradigm that reliably elicits appetitive USVs without mating-related confounds. It details animal conditioning, stimulus presentation, recording, and acoustic analysis, providing a reproducible method for studying affective-motivational and cranial sensorimotor function.
FAQs
The stimulation provides a direct experimental link between activity in a targeted brain region and an observable action. When an animal repeatedly performs an operant response to obtain stimulation, the experiment shows that activating that neural site can influence reinforcement and motivation. This helps researchers map circuits that contribute to behavior rather than measuring behavior alone.
Response rates and stimulation thresholds provide complementary measures of the reward signal produced by brain stimulation. Response rates show how strongly the animal performs the required action, while thresholds indicate the level of stimulation associated with reinforcing effects. Examining both measures helps researchers characterize reward strength and compare motivational changes across experimental conditions.
Direct stimulation allows researchers to examine reinforcement while controlling the delivery of the neural event that supports the behavior. Because the animal must choose and perform an operant action, the experiment connects brain activation with motivation and decision-making. This design supports investigation of how particular circuits influence whether an action is repeated.
The procedure requires an implanted electrode positioned in a selected brain region, an operant task such as lever pressing, and delivery of brief electrical stimulation contingent on the animal's response. Researchers then record response rates and stimulation thresholds. These measurements provide behavioral evidence about the reinforcing effects associated with the targeted neural site.
This approach is useful when researchers need to examine how reward processing changes in addiction, psychiatric disorders, or neurological disease. Comparing response patterns or stimulation thresholds across conditions can reveal alterations in reinforcement and motivation. The method therefore connects disease-related changes in behavior with the function of brain circuits involved in reward.
Within behavioral research, the method turns neural stimulation into a measurable contingency: an animal performs an action, and the response produces a brief stimulation event. This arrangement permits systematic analysis of reinforcement, motivation, and decision-making through observable choices and performance. It also provides a framework for relating behavioral outcomes to specific brain regions and circuits.