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Updated: May 2, 2026
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Contextual and Cued Fear Conditioning Test Using a Video Analyzing System in Mice
Published on: March 1, 2014
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Contextual and cued fear conditioning test using a video analyzing system in mice
Hirotaka Shoji1, Keizo Takao2, Satoko Hattori1
1Division of Systems Medical Science, Institute for Comprehensive Medical Science, Fujita Health University; Japan Science and Technology Agency, Core Research for Evolutionary Science and Technology (CREST).
Journal of Visualized Experiments : Jove
|March 19, 2014
Summary
This study details a reliable video analysis system, ImageFZ, for accurately measuring fear memory in mice during contextual and cued fear conditioning tests. The system demonstrates high consistency with human scoring, aiding behavioral research.
Area of Science:
- Neuroscience
- Behavioral Science
- Animal Models
Background:
- Fear conditioning is a crucial learning process involving associations between environmental cues and aversive stimuli.
- Accurate measurement of fear memory in animal models is essential for understanding learning and memory mechanisms.
- Traditional behavioral analysis can be labor-intensive and prone to observer variability.
Purpose of the Study:
- To demonstrate a detailed protocol for contextual and cued fear conditioning tests in C57BL/6J mice.
- To introduce and validate the ImageFZ video analysis system for automated behavioral assessment in fear conditioning.
- To compare the reliability of ImageFZ with human scoring and a photobeam system.
Main Methods:
- Mice underwent contextual and cued fear conditioning involving auditory cues and electric footshocks.
- Behavioral analysis was performed using the ImageFZ software for automated freezing detection.
- Freezing times measured by ImageFZ were compared against human observation and a photobeam system.
Main Results:
- The ImageFZ system successfully analyzed freezing behavior in mice during fear conditioning tests.
- Data obtained from ImageFZ showed high similarity to measurements scored by a human observer.
- The system's performance was validated, indicating its reliability for behavioral analysis.
Conclusions:
- The ImageFZ system provides a reliable and automated method for assessing fear memory in mice.
- This validated protocol and analysis system can enhance the efficiency and objectivity of behavioral neuroscience research.
- The free availability of ImageFZ promotes wider adoption and understanding of fear conditioning experimental procedures.
