Trace Fear Conditioning in Mice

Overview

This experiment describes a protocol for trace fear conditioning in mice, which evaluates hippocampal dependent learning and memory. The protocol involves associating an auditory tone with an aversive stimulus and measuring the freezing behavior of the mice in different contexts.

Key Study Components

Area of Science

• Neuroscience
• Behavioral Psychology
• Learning and Memory

Background

• Trace fear conditioning is a method used to study associative memory.
• The hippocampus plays a crucial role in learning and memory processes.
• This protocol can be applied to both wild-type and genetically modified mice.
• Freezing behavior is a common measure of fear response in rodents.

Purpose of Study

• To evaluate hippocampal dependent learning and memory in mice.
• To investigate the effects of auditory cues paired with aversive stimuli.
• To provide insights into the mechanisms of associative memory.

Methods Used

• Training mice to associate an auditory tone with an aversive stimulus.
• Recording freezing behavior in a novel context after training.
• Returning mice to the original context to measure freezing behavior again.
• Comparing behavior between trained and untrained mice.

Main Results

• Mice trained with the shock tone pairing exhibited increased freezing behavior.
• Freezing behavior was significantly higher in the original context compared to the novel context.
• The results confirm the effectiveness of trace fear conditioning in assessing memory.
• This method is useful for studying transgenic and knockout mice.

Conclusions

• Trace fear conditioning is a reliable method for studying hippocampal function.
• The protocol can help elucidate the mechanisms underlying associative memory.
• Findings contribute to the understanding of learning and memory in mice.

Frequently Asked Questions